DAVOLINK DV-201DM VoIP Gateway User Manual FCC CERTIFICATION B

DAVOLINK Inc. VoIP Gateway FCC CERTIFICATION B

User Manual

REPORT NO : HCT-F04-0314               FCC ID :RZEDV-201DM              DATE :MARCH 26, 2004                                                                                                        HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD.  SAN 136-1, AMI-RI , BUBAL-EUP, ICHEON-SI,KYOUNKI-DO, 467-701,KOREA   TEL : +82 31 639 8518      FAX : +82 31 639 8525 www.hctec.co.kr       ATTACHMENT E.   - USER’S MANUAL
     Access Gateway DV-201DM for H.323 &SIP Internet Telephony Gateway System    User Guide
      Access Gateway DV-201DM for H.323 & SIP Internet Telephony Gateway System            User Guide
      DV-201DM      Ch.1   System Overview  1 - 1
DV-201DM for H.323 & SIP 1 - 2
      Contents  1 System Overview..................................................................................................... 5 1.1. System Features......................................................................................... 5 1.2. QoS enhancement functions....................................................................... 5 1.3. Operation and maintenance........................................................................ 6 1.4. Service Configuration.................................................................................. 6 2 System Specification ............................................................................................... 7 2.1. Basic Specifications .................................................................................... 7 2.2. Hardware Handling ..................................................................................... 7 2.3. Input Power Specifications.......................................................................... 8 2.4. Environmental Conditions ........................................................................... 8  3 System Functions .................................................................................................... 9 3.1. Call Processing Functions........................................................................... 9 3.2. Analog FXS Control Functions.................................................................... 9 3.3. Emergency Call Switchover Function ......................................................... 9 3.4. DTMF / Call Progress Tone Detection & Generation Function ................... 9 3.5. Voice Compression & Decompression Function......................................... 9 3.6. VoIP Function............................................................................................ 10 3.7. TCP/UDP/IP Protocol Processing Function .............................................. 10 3.8. Ethernet Control Function ......................................................................... 10 3.9. FAX Relay Function .................................................................................. 10 3.10. Console Command I/O Function ............................................................... 10 3.11. Telnet Remote Control Function................................................................ 10 3.12. Diagnostic Function................................................................................... 11 3.13. DHCP Function.......................................................................................... 11 3.14. WEB-based Management Function........................................................... 11 3.15. Operation Authentication Function ............................................................ 11 3.16. Configuration function with connected telephone...................................... 11 3.17. Remote Upgrade Function ........................................................................ 11 3.18. Configuration Data Server Function .......................................................... 12 3.19. TFTP/ FTP Processing Function ............................................................... 12      1 - 3
DV-201DM for H.323 & SIP                  This page is empty.          1 - 4
      1  System Overview  DV-201DM is a residential Dial up VoIP gateway with one -port voice interface that can be easily connected to conventional telephones and/or PBXs. Using proprietary QoS management system, the DV-201DM has the capability of transmitting optimal voice quality under high data traffic conditions.    1.1. System Features    Voice over IP solution   Compliant with ITU-T H.323 specification & SIP and IMTC’s VOIP recommendation  Comprehensive support for industry-standard H.323/SIP Clients (Microsoft NetMeeting)   Analog FXS Interface   Supports PSTN back-up in case emergency   Supports Multiple standard voice CODEC algorithms, including G.729.A, G.723.1   Supports standard Internet protocols including TCP/IP, UDP, and RTP/RTCP   Supports static IP and dynamic IP   Supports real time Fax (Fax Relay)   G.168 compliant echo cancellation   Voice Activity Detection (VAD) and Comfortable Noise Generation (CNG)     Supports MMC (Man Machine Command) and Web based management  1.2. QoS enhancement functions    G.168 echo cancellation   Voice Activity Detection (VAD)   Comfort Noise Generation (CNG)   Dynamic jitter buffer control   1 - 5
DV-201DM for H.323 & SIP 1.3. Operation and maintenance     Supports command-line interface through ASCII terminal   Supports command-line interface through telnet client   Supports system management interface through Web browser  1.4. Service Configuration  Internet Telephony service network is configured as below.      1 - 6
      2  System Specification  2.1.  Basic Specifications  Items Spec  types types DV-201DM FXS  1 FXO   Analog Back-Up  1(note 1)MODEM  1(node 1)Interface WAN/LAN  10/100BaseT 1 Analog  FXS/FXO Signaling & Protocol  Internet  SIP, H.323,   PPP, DHCP, NAT Voice Capability  G.729A, G.723.1 Echo Cancellation(G.165), VAD/CNG FAX Capability  G3 FAX Relay(T.38) Power External Adaptor Input : 110~220VAC Output : +5VDC  Note 1 : MODEM and Backup Line is the same interface   2.2. Hardware Handling    The H/W is designed for easy maintenance and repair.   The H/W meets minimum requirements against electrical shock or accidental impact.                 1 - 7
DV-201DM for H.323 & SIP 2.3. Input Power Specifications   Input Power Source : AC 110~240V (50/60Hz)     Voltage Fluctuating Range :    ±10%   2.4.  Environmental Conditions   Item  Requirements Temperature Normal  Optimal  Minimal  5 ~ 40℃ 18 ~ 26℃ 2 ~ 50℃ Humidity Normal  Optimal  Minimal  20 ~ 65% 45 ~ 55% 20 ~ 80%  Note) Minimal environment conditions may not exceed three consecutive days or 15 total days per year.      1 - 8
      3 System Functions  3.1. Call Processing Functions Call Processing Functions: Delivers voice via packetized network to call destination. Basic Functions include: - Inter-extension connection - Monitoring/Error Management   3.2. Analog FXS Control Functions Analog FXS Control Functions are used for SLT connection. It packetizes analog voice and transmits through digital network to call destination. (call routing function).  3.3. Emergency Call Switchover Function Emergency Call Switchover Function is a unique function compared to other devices.   The device automatically switches over to PSTN backup line when: - Power failure   - Device Malfunction  3.4. DTMF / Call Progress Tone Detection & Generation Function DTMF/Call Progress Tone Detection and Tone Generation Function detect and generate inband-tone transmitted over an analog line.  3.5. Voice Compression & Decompression Function Voice Compression is the packetizing of PCM-coded voice data.   Decompression is conversion of packetized voice data back into PCM-code.  Supports G,729.a, and G.723.1 Voice Coding mode.   The actual voice compression/decompression is processed inside of Digital Signal Processor and the functional unit controls DSP H/W.  1 - 9
DV-201DM for H.323 & SIP 3.6. VoIP Function H.323 protocol provides voice service through IP network by way of sending digital voice-data packetized and encoded via IP network to process its calls. This function is complied with ITU-T : H.323 Recommendation.  SIP is a text-based protocol that is based on HTTP and MIME, which makes it suitable and very flexible for integrated voice-data applications. SIP is designed for real-time transmission, uses fewer resources and is considerably less complex than H.323. Its addressing scheme uses URLs and is human readable.  3.7. TCP/UDP/IP Protocol Processing Function TCP/UDP/IP Protocol Processing Function processes various Protocols like TCP complying with RFC793, UDP with RFC768 and IP Protocol with RFC791.    3.8. Ethernet Control Function Ethernet Control Function is to process MAC, Ethernet protocol or IEEE 802.3 Protocol and perform ARP for TCP/IP communications with CSMA/CD data network.    3.9. FAX Relay Function FAX Relay Function is to send Facsimile Data instead of voice data through packetized network so that FAX data may be packetized and terminated via internet.   3.10. Console Command I/O Function Console Command I/O Function is to operate and manage the equipment through the console at the site in which the equipment is installed. It decodes a command typed in the console to perform the operation.    3.11. Telnet Remote Control Function Telnet Remote Control Function is for an operator to access the equipment using RFC854 Telnet Protocol in a remote system for operation and management. The operator may see and maintain the system via access through Telnet from a remote 1 - 10
      location.   3.12. Diagnostic Function Diagnostic Function is use when there is a need for customers or operators to test the device.  Test results give limited information to customer/operator but serves as a vital tool to provide optimal customer service.     3.13. DHCP Function DHCP Function is needed to dynamically assigned IP address, net-mask, and default gateway for the DV-201DM. DV-201DM has DHCP client in it and performs the function of changing IP addresses, net mask and default gateway.  3.14. WEB-based Management Function Web-based management function is needed to set DV-201DM configuration parameters remotely through web browser. Operator is permitted to access DV-201DM to change configuration parameters through web browser or through HTTP protocol.   3.15. Operation Authentication Function Operation authentication function is needed to authenticate an operator by prompting the user ID and password when the operator access DV-201DM  3.16. Configuration function with connected telephone This function enable you to set DV-201DM initially using connected telephone. So you don’t have to access to the device for setting with telnet or http connection. Just connect telephone to the device.    3.17. Remote Upgrade Function For remote maintenance or when S/W upgrade is necessary in the system using ftp service.   1 - 11
DV-201DM for H.323 & SIP 3.18. Configuration Data Server Function With CDS Server, configuration data is downloaded to the system automatically and automatically installed  3.19. TFTP/ FTP Processing Function TFTP processing function is for remote maintenance and performs functions defined in RFC1350.  FTP processing function is for remote maintenance and performs the functions defined in RFC1986.    1 - 12
 DV-201DM      Ch.2   Installation and Maintenance  2 - 1
   DV-201DM for H.323 & SIP                    2 - 2
 Contents   1 Hardware installation & configuration ...................................................................... 5 1.1 Start Installation ................................................................................................. 5 1.2 Safety Warning .................................................................................................. 5 1.3 How to install H/W.............................................................................................. 5 1.3.1 Cable Connection .................................................................................... 6 1.3.2 Connecting Ethernet cable....................................................................... 6 1.3.3 FXS port................................................................................................... 7 1.3.4 PSTN port ................................................................................................ 8 1.3.5 Cable Length............................................................................................ 8 1.3.6 LED Status............................................................................................... 8 2 How to install S/W.................................................................................................. 10 2.1 PC configuration .............................................................................................. 10 2.1.1 Configuring Dynamic IP .................................................................... 10 2.1.2 Force Static IP................................................................................... 15 2.2 Accessing the system with HTTP .................................................................... 17 2.2.1 Logging in to the Web Manager............................................................. 17 2.2.1 Using the DV-201DM Web browser....................................................... 19 2.3    Accessing the system with TELNET ............................................................. 35 2.3.1 Basic Commands................................................................................... 35 2.3.2 IP Configuration ..................................................................................... 36 2.3.3  Modem Configuration.......................................................................... 38 2.3.4 Routing Table Configuration .................................................................. 42 2.3.5 Address Configuration Commands........................................................ 44 2.3.6 VoIP Configuration Commands (H.323) ................................................ 45 2.3.7 VoIP Configuration Commands (SIP) .................................................... 48 2.4 Configuring system with connected telephone ................................................ 50 2.4.1 Installation sequence ............................................................................. 50 2.4.2 Voice Announcements........................................................................... 51 2.4.3 Special dialing number for system management (Tone dialing telephone only) ............................................................................................... 51  APPENDIX A How to use modem script....................................................................... 53        2 - 3
   DV-201DM for H.323 & SIP                           This page is empty.   2 - 4
 1 Hardware installation & configuration  1.1 Start Installation  In this chapter, it will explain how to install DV-201DM. Connect power cable to DC power input of system, and the other part of AC/DC adaptor to AC power source.  1.2 Safety Warning When installing and operating the DV-201DM system, follow the safety guideline provided below to help prevent serious injury and/or damage to DV-201DM system.  (1) Do not personally perform any maintenance (Unpacking) on this system. This system does not contain any user serviceable parts. Maintenance is to be performed only by qualified personnel.  (2) To avoid the risk electrical shock while installing H/W, you must remove the power cord socket from the power connector on the back of DV-201DM.   (3) Put on a wristlet for preventing static electricity.  (4) Do not use any other power adaptor then the one provided with the DV-201DM.  (5) Maintain between 0℃ and 40℃  and it must be well ventilated  (6) When removing or connecting cables, always unplug DV-201DM power.  (7) Make sure all ventilation chambers are not obstructed at all times.  (8) Do not put heavy equipment and machinery on the system.   1.3 How to install H/W (1) Place on a flat surface. (2) Make sure that all rubber feet are attached. (for cooling system) (3) Connect power cord to system. 2 - 5
   DV-201DM for H.323 & SIP 1.3.1 Cable Connection  Figure1 shows the cables are connected to rear of system.    <Figure 1> DV-201DM Cable connection  1.3.2 Connecting Ethernet cable  The Straight cable is also used to connect LAN port to a terminal like workstation, PC, or notebook. When connecting LAN port to HUB, Cross-over cables must be used.  Maximum length of RJ-45 should be less than 85m.     <Figure 2> RJ-45 cable (UTP cable)  2 - 6
 123456781 : Rx +2 : Rx -3 : Tx +6 : Tx -PC Port  <Figure 3> Ethernet Port pin connection  RJ-45 Plug  ( PC) RJ-45 Plug  (PC Port) Pin  Signal connect Pin  Signal 1  TX+    1  TX+ 2  TX-    2  TX- 3  RX+    3  RX+ 4  NC     4  NC 5  NC    5  NC 6  RX-    6  RX- 7  NC    7  NC 8  NC    8  NC  <Table 1> Connection between WAN port and modem  1.3.3 FXS port  FXS port is for telephone or FAX connection using RJ-11 connector to the terminal.  RJ-11 Plug  (Analog phone/Fax) RJ-11 Plug  ( FXS port ) Pin  Signal Connect Pin  Signal 1  NC    1  NC 2  NC    2  NC 3  Ring    3  Ring 4  Tip    4  Tip 5  NC    5  NC 6  NC    6  NC <Table 2> FXS port cable pin connection  2 - 7
   DV-201DM for H.323 & SIP  1.3.4 PSTN port  This port is used for connecting to CO(Central Office) Trunk, connect to PSTN or FXS I/F of PBX using RJ-11 Connector.  RJ-11 Plug  ( PSTN ) RJ-11 Plug  ( PSTN port ) Pin  Signal Connect Pin  Signal 1  NC    1  NC 2  NC    2  NC 3  Ring    3  Ring 4  Tip    4  Tip 5  NC    5  NC 6  NC    6  NC  <Table 3> PSTN port pin connection    1.3.5 Cable Length  Maximum Length of cable, which is connected to DV-201DM, must comply with the following:  1 ) Ethernet   Maximum length of 10/100BaseT Ethernet is 330 feets/100 meters. (complies with IEEE802.3 Recommendation)  2 ) Analog line   Maximum length of analog line is defined by loop resistance. Maximum loop resistance is up to 600Ω  (included telephone/voice switch).   1.3.6 LED Status When DV-201DM comes up, you can judge the operation status of system by LED status.     LED ON  LED OFF  BLINK PWR  Power ON  Power OFF  - STS  Device fault  Device fault  Normal operation LINE  Connected to modem  Fail to connect  Connecting PPP  Connected to internet  Connecting   2 - 8
 G/K or CA  Registered Registering  - LAN  LAN cable is Connected    LAN cable is Not connected - TEL  OFF HOOK  ON HOOK  - VOIP  Calling via internet  No call via internet  - PSTN  Calling via PSTN  No call via PSTN  -         2 - 9
   DV-201DM for H.323 & SIP 2 How to install S/W 2.1 PC configuration  After installing system according to service network diagram of 1.2, access the equipment using Telnet or Web browser, you should assigned IP address anywhere between 192.168.1.1 and 192.168.1.253.  In next paragragh, we describe how to configure dynamic IP when DHCP server function is activated. In 2.1.1 paragragh, we describe how to configure static IP according to user’s network environment.  2.1.1 Configuring Dynamic IP DV-201DM supports DHCP server function to assign private IP to PC. Our software enables users to use DV-201DM in a Dynamic Network environment.    1.  Open “Control Panel” and double click “Network and Dial-up connection” icon.   2 - 10
 2.    Double click “Local area connection” in network connection window.    3.  Click on “Properties” button.   2 - 11
   DV-201DM for H.323 & SIP 4. Select “Internet protocol (TCP/IP)” and click on “Properties” button.     2 - 12
 5. Select “IP address automatically and “DNS address automatically” in internet protocol attribute window.     2 - 13
   DV-201DM for H.323 & SIP 6. Click “OK” button in internet protocol attribute window and then close all windows opened.     7. Open “COMMAND PROMPT” window and Execute “ipconfig” command to make sure that your PC is assigned IP address, subnet mask and default gateway value.   (Verify: IP address range is between 192.168.1.10 ~ 192.168.1.29 )  Remember the IP Address value should be in 192.168.1.1~ 192.168.1.253,  subnet mask should be 255.255.255.0, and Default Gateway should be  192.168.1.254.  [c:\]ipconfig  Windows IP Configuration  Ethernet adapter local area connection:          Connection-specific DNS Suffix  . :         IP Address. . . . . . . . . . . . : 192.168.1.10                 Subnet Mask . . . . . . . . . . . : 255.255.255.0         Default Gateway . . . . . . . . . : 192.168.1.254  2 - 14
 2.1.2  Force Static IP If your PC was not assigned IP information after the procedure above, you can manually assign IP information by doing the following. From above, follow steps 1 through 4 then follow the procedures below.  1.  Choose “Use the following IP address”, enter IP address, subnet mask, Default gateway. If static IP is configured in DV-201DM, also enter DNS server information.  IP address    : any address of 192.168.1.1   through 192.168.1.253    Subnet mask  : 255.255.255.0    Default gateway : 192.168.1.254     Note : When DV-201DM is allocated IP by DHCP protocol, input the value and confirm DNS server address.   2. Click “OK” button, and close all windows.  2 - 15
   DV-201DM for H.323 & SIP 3.    From windows, Goto “run”.    Type in “command”.    From “Command Prompt” screen, type “ping 192.168.1.254” and press “Enter”. If the following message is displayed, your computer is properly connected with DV-201DM.  [c:\]ping 192.168.1.254  Pinging 192.168.1.254 with 32 bytes of data:  Reply from 192.168.1.254: bytes=32 time=3ms TTL=255 Reply from 192.168.1.254: bytes=32 time=3ms TTL=255 Reply from 192.168.1.254: bytes=32 time=2ms TTL=255 Reply from 192.168.1.254: bytes=32 time=1ms TTL=255  Ping statistics for 192.168.1.254:         Packets: Sent = 4, Received = 4, Lost = 0 (0% loss), Approximate round trip times in milli-seconds:         Minimum = 1ms, Maximum = 3ms, Average = 2ms  [c:\]                       2 - 16
 2.2 Accessing the system with HTTP 2.2.1 Logging in to the Web Manager Before accessing Web Manager, verify that the DV-201DM LEDs are blinking.  This indicates that the DV-201DM is ready to be configured.  1.  Open a new Web browser window and enter the DV-201DM’s IP address, 192.168.1.254:8000 and press Enter.    2.  Enter your user name and password. The default user name is root and the default password is admin.     2 - 17
   DV-201DM for H.323 & SIP 3.    When the DV-201DM Web Manager Opening page is displayed. You are logged in.         2 - 18
  2.2.1 Using the DV-201DM Web browser  From main DV-201DM home page you can access any option by clicking the links illustrated on the left column. For example: click the System Information & Admin Password link to access the System Information and Change Password page.  1. System Information and Change Password    The Change Password page shows the DV-201DMs name, current software version and MAC address. You can also change the user’s password from this page.         2 - 19
   DV-201DM for H.323 & SIP  2. PPP Configuration.   Click the PPP Setting link to access the IP Configuration page, illustrated below.       This page displays the current PPP Configuration.    Any of parameters on the PPP Configuration page can be modified by simply       entering the desired values into the respective boxes.    Dialing Number : ISP’s Phone Number.    User Name : User ID given by ISP.   Password : Password of the user ID.    Connection Type : By default it is Always On.   Always On : In this mode the user is always connected to the ISP. 2 - 20
                 Dial on demand : In this mode the user is connected to the ISP when he off       hooks the phone.  Idle timer : When the connection type is dial on demand and the user does not use telephone or PC for idle timer value, the PPP connection is dropped automatically.  Retry-Connection Timer : When the connection type is always on and the connection to the ISP is disconnected, After Retry-connection timer value the system will try to connect the ISP automatically. The Retry-connection timer value   should be at least 15 seconds. You can choose the number 15 to 30      Country Name : The name of your country, if your country name is not there you   can select similar country.      Dial Mode : The analog telephone line type.    Modem Speaker : To turn on and off Modem speaker.  2 - 21
   DV-201DM for H.323 & SIP 3. Speed Dial  Click the Speed Dial link to access the Speed Dial Configuration page, illustrated below.    Frequently dialed phone numbers can be stored for Speed Dialing.             2 - 22
 4.System Status  Click System Status link to access the System Status page, illustrated below.    The system status page shows current Internet ,PPP and VOIP connection status. This page is refreshed for every 20 seconds period.   Network port IP: Shows the WAN port IP address allocated by ISP.  PC Port IP: Shows the LAN port IP set by the user.  VOIP Status: Shows the registration state to proxy server or Gatekeeper.  PPP Status: Shows the Modem connection status and PPP status.  Modem Connection Speed: Shows the current modem connection speed.  2 - 23
   DV-201DM for H.323 & SIP Modem Connection Time: Shows the modem connection time (PSTN call to ISP).    Last Error: Last Error code.    Modem Script Log: If Modem connection is failed, you can see the process of               dialing and connecting PPP.This page will be refreshed automatically for every     20 seconds period.    5. IP Configuration  Click the IP Setting link to access the IP Configuration page, illustrated below.    Only root and manager can access this web page.  This page displays the current LAN IP Address and LAN mode.  Any of parameters on the IP Configuration page can be modified by simply 2 - 24
 entering the desired values into the respective boxes.  By default LAN mode is One IP.  In One IP mode, the NAT Is enabled and One IP is on.    In NAT Enable mode, the NAT is enabled and One IP is off.  In NAT Disable mode, the NAT IS disabled and One IP is off.    6. VoIP Setting  Click the VoIP Setting link to access the Port Configuration page, illustrated below.  < H.323 setting >    2 - 25
   DV-201DM for H.323 & SIP Only root and manager can access this web page.  You should enter Primary Gatekeeper IP Address, Secondary Gatekeeper IP Address and H323 ID    provided by Internet Telephony Service Provider.  Primary G/K IP address : It is the first G/K IP address  Secondary G/K IP address : It is the second G/K IP address. It is for redundancy                             H.323 ID : G/W is authenticated from G/K with this ID.  Area Access Code : Area access code is automatically inserted before the dialed digits when you place local calls.  Phone Number 1 : The telephone number assigned to FXS port 1.  Virtual Calling Number 1 : The CID assigned to FXS port 1. Phone Number 2, Virtual Calling Number 2 :    applicable to the DV-102 only.  PSTN Access Code : You can place the outgoing calls over the PSTN by dialing PSTN access code first.  PSTN Ring Handling when Busy : The incoming PSTN call is ignored or generates beep when the FXS port is used for a outgoing call.  Router Link Check  : This option decide whether check link to default router or not.  Using Digit Map : This option decide whether use digit map or not. It is only used in Korea. To use other area and country, it have to be modified properly.  Phone Volume : Voice signal level from FXS to telephone can be changed. The default value is 0, and can be set from –5 to +5.  Using VoIP Call Indication Tone:    This option let customer distinguish VoIP call from PSTN call. If you select “Yes”, when you call via internet, you will hear high pitch sound when dialing  VoIP Call Listen Port : VoIP Call Listen port number can be changed. The default value is 1720.  FAX : Whether FXS port is used for fax or not  2 - 26
 < SIP setting >  Click the VoIP Setting link to access the Port Configuration page, illustrated below.    Only root and manager can access this web page.  URL Mode: URL is Uniform Resource Locator, address-format to access specified URL.  VoIP Server Name: Proxy Server name or IP address.    Service Domain Name: Domain Name.  VoIP User ID, VoIP User Password, VoIP Password Confirm:   DV-201DM is authenticated by proxy server with this ID and password.  Phone Number 1: The telephone number assigned to FXS port 1.  Area Code: You may insert a access code for security.   Ex. By inputting 15 into this box, you must dial 15 before dialing outbound on all calls.  2 - 27
   DV-201DM for H.323 & SIP PSTN Access Number: To use the emergency PSTN backup channel, you must input an access code that opens the channel to access the PSTN line.  PSTN Automatic Rerouting: This option decides whether rerouting function is used when Internet link is down or not.  PSTN Ring Handling when Busy: The incoming PSTN call is ignored or generates beep when the FXS port is used for a outgoing call.  Using VoIP Call Indication Tone:    This option let customer distinguish VoIP call from PSTN call. If you select “Yes”, when you call via Internet, you will hear high pitch sound when dialing.  Router Link Check: This option decide whether check link to default router.  Using Digit Map: Only used in Asia.      Caller ID Transmission: decides whether calling party number is sent or not.  Caller ID Receiving mode: When the G/W receive the originating number information with a call, this option is used. You can configure with three types. None, Korea, Japan.   2 - 28
 7. DHCP Server Configuration  Click the DHCP Server Setting link to access the DHCP Server Dial Configuration page, illustrated below.    Only root and manager can access this web page.  When using for DHCP Server setting, the starting IP address and the number of DHCP clients needs to be configured  Allocated IP Addresses When there are multiple users, this page shows the how IP addresses are matched with each users’ MAC address.  2 - 29
   DV-201DM for H.323 & SIP 8. Forwarding Ports Configuration  Click Port Forwarding link to access the Ports Configuration page, illustrated below.    Only root and manager can access this web page.  When the DV-201DM is used with the NAT server, all the packets from the specific UDP/TCP ports are forwarded to the specified IP addresses.     2 - 30
 9. Restart System  Click Restart link to access the Restart System page, illustrated below.    Only root and manager can access this web page.  To restart the system, click the Restart button.  You need to restart the system to apply the modified system parameters to the system.  2 - 31
   DV-201DM for H.323 & SIP 10. Misc. Options setting  Click Misc Options link to access the System Software Upgrade page, illustrated below.    Only root and manager can access this web page.  The System software can be upgraded manually or automatically. The server IP address is needed for the automatic upgrades. The manual software upgrade procedure for DV-201DM is divided into stages.  Manual upgrade is only recommended for “Command Prompt” users.  1.  Enable “S/W Manual Upgrading” option in “System Software Upgrade” page, and press “Apply” button. 2.  Download the files needed for upgrade from the Upgrade FTP server to a client PC. 3. Open “Command Prompt” from Start Menu under Accessories or from “Run” and type “cmd” followed by Enter. 4. Move to the directory containing the downloaded files. 5. Perform the upgrade batch command. C:\upgrade\dv201dmsip.bat 192.168.1.254 " the batch file is dv201dmsip.bat 6. The “Command Prompt” window display the FTP procedure messages 2 - 32
 7. The system will be automatically restart, after completion of upgrade.  8. If log server feature is used, DV-201DM sends event messages to defined server (using UDP port 514). Select “Used”, click “Apply” button.  When auto configuration feature is used, the created configuration data in CDS server is downloaded to DV system.    Select “Used”, enter the IP address of CDS server and click “Apply” button. By using the CDS server, you can control the configuration data of all systems remotely via the MAC addresses of each system.    11.Firmware Upgrade Click  Firmware Upgrade link to access the Firmware Upgrade page, illustrated below.     Only root and manager can access this web page.  We can upgrade firmware of our product from this web page.  Do not click other pages while your upgrading the firmware of the product, it will       result incompletion of upgradation. 2 - 33
   DV-201DM for H.323 & SIP    Click  “Browse” button, choose binary file (ex, *.bin) for upgrading in your PC. And Click “Open” button.    Click “OK” button, and DV201DM will be upgraded. 2 - 34
 2.3  Accessing the system with TELNET  For VoIP Services, there are many configuration values you need to set. You may try telnet connection to set the configuration values. Detailed procedures are as follows:  - Connect PC to PC port of DV-201DM - Open a “COMMAND PROMPT” Command Window. - Try pinging to 192.168.1.254. If you get response, you can proceed to the next step. - Type “telnet 192.168.1.254 6000”, and you can log-in to DV-201DM. - Try “root” for login name, “admin” for password. - Reply “DV_GW>”, you’ve accessed DV-201DM.  [Example]   Trying 192.168.1.254 (PORT: 6000)... Connected to 192.168.1.254...     DV201DM Internet Phone Gateway System    Made by Davolink,Inc.    Motorola MPC850    SW: Release 1.00(2003-10-1 PM 06:23:26)    HW: MPU 0.51  (1Ch FXS + 1Ch FXO)   Now System Running... Login: root Password: ***** DV_GW>   2.3.1 Basic Commands    DIR (or LS)   “dir” is the same command as “ls” and displays the executable commands and sub-directory which can be run in the current directory. The sub-directory is displayed with “/” added after the last character to differentiate from the executable commands. The following example is the result after executing “dir” command on DV_GW> prompt, where DV_GW is system name. The capitalized letters in the directory name and command name is the minimum number of characters to be entered in changing a task directory or executing a command and they are used as abbreviations for a directory or a command.  2 - 35
   DV-201DM for H.323 & SIP [Example]   DV_GW> dir © SYstem/        COnfig/        Ftp_client/    Test/          Netutil/        STatistics/    Vocfile/       Debug/         Memory/              CD  "cd" is a command to change the working directory. A directory you want to move can be given an direct path starting from a route directory or given a relative path based on the current directory. It is possible to change directory by typing the name of directory without “cd” command or by typing capitalized character of name of destination directory. Same results are displayed in case of typing “cd system” or in case of typing “system” or in case of typing “s” (minimized letter of destination directory “system”). If only “cd” without any character is typed, they can see root directory. The following example is an after executing “cd” command on root directory.   [Example]    DV_GW> cd system © DV_GW/SYSTEM>   2.3.2 IP Configuration  1. Command directory  DV_GW/CONFIG/IP>  2. Command function  These commands are used for setting NAT Mode, IP address, subnet mask, gateway, Ethernet address .  3. Available commands  Commands  Description SHOW   Show IP parameters CHANGE   Change IP parameters Ether set   Set Ethernet address     2 - 36
  SHOW  This command display NAT Mode, IP address, subnet mask, and Ethernet address, which are required to perform LAN service and WAN service.   Executing “show” at “DV_GW/CONFIG/IP)” prompt can see details.  [Example]   DV_GW/CONFIG/IP> show ©  -------- WAN Parameters -------------------------- NAT mode          - Enable WAN IP Address     - 0.0.0.0 WAN Subnet Mask   - 0.0.0.0 WAN Gateway       - 0.0.0.0 Ethernet Addr - 00:08:52:88:12:92 LAN IP Address    - 192.168.2.12 LAN Subnet Mask   - 255.255.255.240 LAN Gateway       - 0.0.0.0 -------- DNS Parameters -------------------------- DNS Not Used --------------------------------------------------    CHANGE  This command used for setting NAT mode, IP address, subnet mask, and Ethernet address.  Details can be seen by executing “show” at “DV_GW/CONFIG/IP>” prompt.  [Example]  DV_GW/CONFIG/IP> change ©  -------- WAN Parameters -------------------------- NAT mode     - Enable WAN IP Address    - 0.0.0.0 WAN Subnet Mask   - 0.0.0.0 WAN Gateway       - 0.0.0.0 Ethernet Addr - 00:08:52:88:12:92 LAN IP Address    - 192.168.2.12 LAN Subnet Mask   - 255.255.255.240 LAN Gateway       - 0.0.0.0 -------- DNS Parameters -------------------------- DNS Not Used --------------------------------------------------  2 - 37
   DV-201DM for H.323 & SIP   1. Change NAT mode. 2. Change IP Address. 3. Change IP Netmask. 4. Change Def. G/W IP. 5. Change DNS Server IP. 6. Change DNS Domain Name. 0. Exit Menu. What do you want to change (0-7) ? : 1 © Enter mode (enable/disable) : enable ©  -------- WAN Parameters -------------------------- NAT  mode     - Enable WAN IP Address    - 0.0.0.0 WAN Subnet Mask   - 0.0.0.0 WAN Gateway       - 0.0.0.0 Ethernet Addr - 00:08:52:88:12:92 LAN IP Address    - 192.168.2.12 LAN Subnet Mask   - 255.255.255.240 LAN Gateway       - 0.0.0.0 -------- DNS Parameters -------------------------- DNS Not Used -------------------------------------------------- 1. Change NAT mode. 2. Change IP Address. 3. Change IP Netmask. 4. Change Def. G/W IP. 5. Change DNS Server IP. 6. Change DNS Domain Name. 0. Exit Menu. What do you want to change (0-7) ? : 0 © You must RESET to apply modified value(s) to system.    2.3.3  Modem Configuration  1. Command directory  DV_GW/CONFIG/MODEM>  2. Command function  These commands are used for setting Modem configuration parameters. 2 - 38
  3. Available commands  Commands  Description SHOW   Show Modem parameters Dial number   Command to set dialnumber Username   Command to set username PAssword   Command to set password CONntype   Command to set connection type Idle timer   Command to set the timer COUntry   Command to set country name PUlsedial  Command to set Pulse dial SPeaker  Command to set speaker Retrytimer  Command to set Retrytimer     SHOW This command display Country name, User name, Dialing number, Connection type, Modem speaker,Pulsedial,idle timer, default which are required to perform Modem service.    Executing “show” at “DV_GW/CONFIG/MODEM” prompt can see details.  DV_GW/CONFIG>/Modem> show ©  -------------- MODEM/PPP Parameters --------------  Country (Company) - 61(KOREA)  Dialing Number   - 533  User Name        - davo  Password         - drc  Connection Type  - Allways Up(0)  Idle Timer       - 0 sec  Re-connect Timer - 30 sec --------------------------------------------------  Pulse Dialing    - OFF(Tone Dialing)  MODEM Speaker    - ON --------------------------------------------------  Retry Timer      - 30 sec --------------------------------------------------   DV_GW/CONFIG/Modem> dialnumber 532 © .. 2 - 39
   DV-201DM for H.323 & SIP ...TConfig Writing Done  Dialing Number Changed to 532   DV_GW/CONFIG/MODEM> username guest © ... ...TConfig Writing Done  User Name Changed to guest   DV_GW/CONFIG/MODEM> password guest © ... ...TConfig Writing Done  Password Changed to guest     DV_GW/CONFIG/MODEM> speaker off © ... ...TConfig Writing Done  MODEM Speaker Turned OFF   DV_GW/CONFIG/MODEM> conntype 1 © ... ...TConfig Writing Done  Connection Type Changed to Dial Up(1)    DV_GW/CONFIG/MODEM> country ©  Usage : country <value> <Value> - ITU-T T.35 AnnexA 8-bit country code (hexadecimal value)           00=JAPAN, 09=AUSTRALIA, 0F=BELGIUM, 16=BRAZIL                 1B=BULGARIA, 26=CHINA, 31=DENMARK, 3C=FINLAND                3D=FRANCE, 42=GERMANY, 50=HONGKONG, 53=INDIA                  57=IRELAND, 59=ITALY, 61=KOREA, 6C=MALAYSIA               73=MEXICO, 7B=NETHERLANDS, 82=NORWAY, 8A=POLAND       2 - 40
           8B=PORTUGAL, 9C=SINGAPORE, 9F=SOUTH AFRICA, A0=SPAIN                  A5=SWEDEN, A6=SWITZERLAND, B4=UK, B5=USA                    FE=TAIWAN       DV_GW/CONFIG/MODEM> country 53 ©  ... ...TConfig Writing Done  Country Changed to 53(INDIA)    DV_GW/CONFIG/MODEM> pulse dial off ©  ... ...TConfig Writing Done  Pulse Dialing Mode Changed to OFF (Tone Dialing)     DV_GW/CONFIG/MODEM> idle timer 0 ©  ... ...TConfig Writing Done  Idle Timer Changed to 0(sec)   DV_GW/CONFIG/MODEM> retrytimer 15 ©  ... ...TConfig Writing Done  Retry Timer Changed to 15(sec)     2 - 41
   DV-201DM for H.323 & SIP   2.3.4 Routing Table Configuration  1. Command directory  DV_GW/CONFIG/ROUTE>  2. Command function  Manages route table required for call routing.  3. Available commands  Commands  Description Show  Command to show prefix table Add   Command to add numbers to route table required for call routing Del  Command to delete numbers registered in prefix table     SHOW  This command is used to display numbers registered in prefix table to the console. When add command is successfully executed, the number is added in the blank space in the following figure. Executing “show” at “DV_GW/CONFIG/ROUTE” prompt shows current routing table.  [Example]   DV_GW/CONFIG/ROUTE> show ©  ====================================================================              PREFIX TABLE  ====================================================================   INTF  PORT  NUMBERS     TRNC   PREFIX     POSTFIX    EXTRA_INFO ====================================================================   FXS    0     200          0                              0.0.0.0   FXS    1     201          0                              0.0.0.0   IP     0     ~             0                              0.0.0.0 ====================================================================   ADD 2 - 42
  This command used for adding numbers required for call routing to the routing table. Executing “add” at “DV_GW/CONFIG/ROUTE)” prompt can see detailed usage  [Example]  DV_GW/CONFIG/ROUTE> add © ====================================================================                ADD Command Usage  ====================================================================  add intf <port> nums <trnc> <pre> <post> <extra> ====================================================================  intf      ; interface name (fxs, fxo, net)  port      ; port number of interface (0 ~ )  nums      ; prefix numbers ('0' ~ '9','.','*','#','~','?',',',NULL, length: 20)             ; '.' : virtual dial tone, ',' : pause(500ms)  trnc      ; the number of truncation (0 ~ 31)  pre       ; prefix number ('0' ~ '9',NULL)  post      ; postfix number ('0' ~ '9',NULL)  extra     ; extra-informations (hexa-decimal) ====================================================================  DV_GW/CONFIG/ROUTE> add fxs 0 3922241 0 © Prefix Table Add success DV_GW/CONFIG/ROUTE> add net 0 8~ 1 127.0.0.1  © Prefix Table Add success    DEL  This command used for deleting number from the routing table. Executing “del” at “DV_GW/CONFIG/ROUTE>” prompt can see detailed usage.    [Example]  DV_GW/CONFIG/ROUTE> del © ====================================================================                DEL Command Usage ====================================================================  del all|[intf <port> nums] ====================================================================  intf      ; interface name (fxs, fxo, net) 2 - 43
   DV-201DM for H.323 & SIP  port      ; port number of interface (0 ~ )  nums      ; prefix numbers ('0' ~ '9','*','#','~','?',NULL) ==================================================================== DV_GW/CONFIG/ROUTE> del fxs 0 200 © Prefix Table Delete success   2.3.5 Address Configuration Commands  1. Command directory  DV_GW/CONFIG/ADDRESS>  2. Command function  This command is used for managing a specified port number on FXS interface.  3. Available commands  Commands  Description Show  show registered addresses Myaddr  register local addresses  SHOW  This command is used to display specified port number registered in address table. Executing “show” at “DV_GW/CONFIG/ADDRESS>” prompt shows current address table.  [Example]  DV_GW/CONFIG/ADDRESS> show © ==========================================================                 Address TABLE ==========================================================  INTF  PORT  LOCAL-ADDR       PEER-ADDR        GROUP-PORT ==========================================================  FXS    0     7183312  FXS    1     7183313 ==========================================================   MYADDR  This command is used to register specified port numbers that are used as calling party address in outgoing calls to track calls. Executing “myaddr” at “DV_GW/CONFIG /ADDRESS>” to see usage details.  2 - 44
 [Example]   DV_GW/CONFIG/ADDRESS> myaddr © ===============================================================                 MYADDR Command Usage ===============================================================  myaddr intf <port> nums ===============================================================  intf      ; local interface name(fxs,fxo)  port      ; port number of interface (0 ~ )  nums      ; destination address ('0' ~ '9','*','#',NULL) ===============================================================  DV_GW/CONFIG/ADDRESS> myaddr fxs 0 7183312 © DV_GW/CONFIG/ADDRESS> myaddr fxs 0 null © DV_GW/CONFIG/ADDRESS> show © ===============================================================                 Address TABLE ===============================================================  INTF  PORT  LOCAL-ADDR       PEER-ADDR        GROUP-PORT ===============================================================  FXS    0  FXS    1     7183313 ===============================================================   2.3.6 VoIP Configuration Commands (H.323)  1. Command directory  DV_GW/CONFIG/VOIP>  2. Command function  This command displays and sets up all the parameters required for the H.323. Details can be seen by typing an appropriate command from the “DV_GW/CONFIG/VOIP>” prompt to verify it.  Changes and verifies the parameters needed for H.323, the parameters are as follows;  Parameter Description G/K Interface Mode  Connection mode of G/K. E.164 Address  IP address and Port number of the first G/K. H.323 ID  IP address and Port number of the second G/K. Time out  H.323 ID of the system H.323 Prefix  Prefix to be registered to G/K. RAS ParametersRAS TTL  Re-registration cycle (second) after  first registration to G/K.   2 - 45
   DV-201DM for H.323 & SIP Q.931 Call Signaling Channel Listen Port  Q.931 Call Signaling Port number when called. Audio codec type  Codec set used for a call set-up. Fast Connect Used  Use or not of the fast-connect protocol H.245 DTMF Message  Method of sending DTMF in a message format of H.245 Fast Audio Connect  Use or not of the ring back tone from network in ALERT condition. Force RBT to network  The generation mode of a ringing tone to IP network when the system has received an ALERT message. H.245 Tunneling  Use or not of the H.245 tunneling. BRQ Used  Use or not of the BRQ message. NAT Used  Use or not of the NAT. Discard non-fast alert  Function of neglecting an ALERT message in a condition that there is no audio information. Protocol Parameters Using H.245 start (outbound)  Use or not of the H.245 channel when starting a call.RTP Parameters # Frame/Packet  The numbers of frame per one IP packet. Manual RAS Config  Manual RAS  Use or not of a Manual RAS.   3. Available commands  Commands  Description SHOW   Shows VOIP parameter. CONFIGURE   Changes VOIP parameter.   SHOW  This command displays the set up value of the H.323 Parameter. For detailed example, execute “show” from the “DV_GW/CONFIG/VOIP>” prompt to verify it.  [Example]  DV_GW/CONFIG/VOIP> show ©  * RAS Parameters * ------------------------------------------------------------------ Gatekeeper not used.   * Registration Numbers * ------------------------------------------------------------------- 200                 201                 202                 203 204                 205                 206                 207 2 - 46
 -------------------------------------------------------------------   * My H323ID * ------------------------------------------------------------------- DV116 -------------------------------------------------------------------   * Timeout * -------------------------------------------------------------------  RRQ timer mode                : Received from G/K  RAS response timeout          : 20 sec  RAS retry number               : 2  Q.931 response timeout      : 20 sec -------------------------------------------------------------------   * RAS TTL * ------------------------------------------------------------------- 700 ------------------------------------------------------------------- Press any key to continue * Protocol Parameters * ------------------------------------------------------------------- Q.931 Call Signalling Channel Listen Port : 1720 Fast Connect Used                            : Yes H.245 DTMF Message                        : Relay using using H245 UII.alphanume ric Fast Audio Connect                         : No Force RBT to Network                      : No Wait Alert Timer                          : 20000 msec H.245 Tunneling                           : No BRQ Used                                   : No NAT Used                                   : No Discard non-fast alert                   : No Open H.245 when conneted(outbound side)    : No ------------------------------------------------------------------- Press any key to continue    * RTP Parameters * ------------------------------------------------------------------- # Frame / Packet                 : 1 -------------------------------------------------------------------   CONFIGURE  Sets the parameters related to RAS, Protocol, RTP and Manual RAS requested in H.323 protocol.  [Example]  DV_GW/CONFIG/VOIP> configure © 1 . RAS Config 2 . Protocol Config 3 . RTP Config 2 - 47
   DV-201DM for H.323 & SIP 4 . Manual RAS Config 0 . Exit Select (0 ~ 4):   2.3.7 VoIP Configuration Commands (SIP)  1. Command directory  DV_GW/CONFIG/SIP/CONF>  2. Command function  This command displays and sets up all the parameters required for the SIP. Details can be seen by typing an appropriate command from the “DV_GW/CONFIG/SIP/CONF>” prompt to verify it.  3. Available commands  Commands  Description SHOW  Command to show all the parameters required for the SIP. URLMODE  Command to set URL mode(SIP or TEL) for peer UA. MYDOMAIN  Command to set service domain name. MYTELNUM  Command to set a telephone number assigned to FXS port 1. PSVNAME  Command to set proxy server name. RGNAME  Command to set registrar name. AREACODE  Command to set area code. CONFAPPLY  Command to restart SIP according to newly setting parameters.   SHOW  This command displays the set up value of the SIP Parameter. For detailed example, execute “show” from the “DV_GW/CONFIG/SIP/CONF>” prompt to verify it.  [Example]  DV_GW/CONFIG/SIP/CONF> show ©  SIP Configuration URL mode  sip Register state  C_Registered Call state  INITIAL my domain  davolink.co.kr 2 - 48
 my ipaddr  xxx.xxx.xxx.xxx my sip url  sip:021234567@davolink.co.kr my port  5060 my transport  udp Proxy server  proxy-davolink.co.kr Server name   Server port  5060 Server transport  udp Registrar name  proxy-davolink.co.kr Registrar port  8001 Registrar trans  udp Register timer  3600 sec Payload type  G723_63[004] G711U  [000]  G723_53[102] G711A  [008]   G729A  [018] GSM    [003] Encoding name  G723_63[G723-63] G711U[PCMA]  G729A[G729]  G723_53[G723-53] G711A[PCMU]  GSM[] Codec enabled  G711U G711A G723_63 Areacode NONE UserID  Password    2 - 49
   DV-201DM for H.323 & SIP 2.4 Configuring system with connected telephone 2.4.1 Installation sequence  1. Hardware Installation & Cable connection z  Place on flat surface and make sure that rubber feet are attached. (for cooling system) z   Following figure shows the cable’s connections      2. System Configuration CAUTION  : In system configuration procedure at start, please eject a PSTN line cable.  z   System configurations of DV-201DM consist of following 2 parts. - Internet setting : For PPP Connection, consist of the ISP phone number, user ID and password. - VOIP setting : For Internet telephony, you should set Proxy Server or Gatekeeper and telephone number and so on.  z   You can configure by using a telephone connected to TEL port and Web browser of your PC. Configuration by telephone can be applied if you can not connect to DV-201DM by web browser. We recommend using Web browser. - Using telephone    : please refer page 2-49,50. z   When you have configured system. Please inject a PSTN line. Make restart DV-201DM by power switch and wait about 20~30 seconds until system is initialized.  3. Using VOIP service z   If you hear the dial tone at off-hook the telephone, you can use internet telephony. Else Wait for connecting to internet.   z   If you have problem with our system, please check system configurations or call us +82-31-387-3240.  For a normal operation of DV-201DM, it takes about 30 seconds after power up. You 2 - 50
 may hear voice announcements such as “Network is not connected. Please …”. You may check system status and a cause of connection fail by that.  2.4.2 Voice Announcements  You can hear following announcements when you can not use internet telephone service. The following shows latest cause of connection fail. If you hear a same announcement repeatedly, please check the cable connections or system configurations.  “Network is not connected. Please wait while network is connected.”  Æ You might drop connection by “***#” or first time of trying to connect. “Network is not connected. Because modem line was busy.”  Æ ISP phone number or your telephone line was busy. “Network is not connected. Because modem has a problem.”   Æ Your PSTN cable has a problem. Or Modem detected “NO CARRIER”. “Network is not connected. Because user authentication was failed.”  Æ User ID or Password for ISP are wrong. Or PPP has problems. “Network is not connected. Because modem script was failed.”  Æ Remote PPP server doesn’t respond. Or script of system is not adapted ISP. “Network is not connected. Because PPP negotiation was failed.”  Æ Remote PPP server has dropped the connection. Or some problems with PPP. “Network is not connected. Because connection is dropped by idle timer expiry.”  Æ You have not used a telephone or PC for too long times.  Following announcements shows current internet connection status and VoIP status.  “We are connecting to network. Please wait while network is connected.” Æ System is trying to connect. It takes about 30 seconds . “Network is connected. But We are registering to proxy server. Please …”  Æ Now, system has been connected to internet. But it’s not registered SIP Proxy server. Please wait until being registered to proxy server or Gatekeeper. It takes some seconds.   2.4.3 Special dialing number for system management (Tone dialing telephone only)  When you can hear a voice announcement or a dial tone at off-hook, You can check or set the following configuration by dialing see the follows.  ***0             DV-201DM will announce allocated IP address from ISP. ***1             DV-201DM will announce LAN (PC port) IP address set by user. ***2             You can change LAN (PC port) IP address.   2 - 51
   DV-201DM for H.323 & SIP ***3             You can change LAN subnet mask. ***4             You can change LAN Gateway address ***95            DV-201DM will announce current NAT mode ***961           Use OneIP mode (Allocated IP address of DV-201DM is same   as PC.)   ***962           Use NAT mode (IP address of PC shall be private IP address) ***9876543210   restart DV-201DM immediately. ***9876546540   change all configurations to factory setting. And restart DV- 201DM immediately. ***#             force to disconnect current PPP connection immediately.   2 - 52
 APPENDIX A How to use modem script Caution  :  You  don’ t  have  to  modify  modem  script  of  DV-201DM  in  most  of environments. If your modem script is wrong, DV201DM don’ t operate right. So when you modify modem script, be careful.  1.  Overview In DV-201DM, the script is provided for modem and PPP connection. In the script of DV-201DM,  loop  and  decision  phase  is  not  included,  and  user  can configure the minimal scenario for configuring modem & controlling PPP connection. In DV-201DM, as the followings, two types of script are provided.    1) Setup script Initialize & configure internal modem in DV-201DM.  2) Dial script Configure the procedure of calling & PPP connection.  The follows is the initial value of script in DV-201DM.  Setup  ₩N AT&F OK AT+GCI=61 OK ATTX4W1L3M1E0S95=47 OK AT₩₩N3B0 OK ₩N Dial  ₩N ATD₩T CONNECT ₩N   2.   Operation of sript  The  script  of  DV-201DM  is  divided  according  to  space  character  and  consisted  of receiving expectation character column and transmitting character column. The script of above  box  can  be divided into  each  character  column and  is  as  the follows. The bold character is a receiving expectation character column.  1) Setup script ₩N            - no receiving expectation character column AT&F          - initialize modem OK            - response of modem regarding to initializing modem AT+GCI=61    - assignment country code OK            - completion of assignment country code ATTX4W1L3M1E0S95=47 - configuration operation of modem OK            - completion of configuration operation of modem   AT₩₩N3B0   - configuration the second operation of modem OK            - completion of configuration the second operation of modem   ₩N           - no receiving expectation character column   2 - 53
   DV-201DM for H.323 & SIP  2) Dial script ₩N           - no receiving expectation character column   ATD₩T      - calling command CONNECT   - completion of connection ₩N          - no receiving expectation character column   In  DV-201DM,  there  are  the  reserved  character  columns  for  special function. The reserved character columns are opened with “ ₩”  character and the reserved length is different according to the follow character. So be careful.  The reserved character columns are as follows.  character  argument  description  example s  -  Space character (SP)  A₩sBC t  -  Tab character (TAB)  A₩tBC n  -  Line feed (LF)  A₩nBC r  -  Carriage return (CR)  A₩r₩BC ₩  -  Back slash (₩)  ₩₩N3 d  ‘ 0’ ~’ 9’   Transmitting delay (Delay)  A₩d2BC c  -  Not included opening character  +++₩c T  -  Replacement  character  column  with  dialing number (TEL) ATD₩T U  -  Replacement  character  column  with  user  ID (USER) ₩U P  -  Replacement character column with password (PASSWORD) ₩P N  -  NULL (no character column)  ₩N   In DV-201DM, expansion character columns are supported. The expansion character column is used for comparing “ receiving expectation character column”  with “ pre-defined  character  column”   and  it  is  useful  in  environment  with  various  expectation character columns.  z &U It is the expansion character regarding to user input prompt and DV-201DM compare this character column with the following character column.  “ serid:", "ogin:", "userid", "user id", "login", "sername  z &P It  is  the  expansion  character  regarding  to  password  input  prompt  and  DV-201DM 2 - 54
 compare this character column with the following character column.    “ assword:", "assword?”   z &C It  is  the  expansion  character  regarding  to  command  input  prompt and DV-201DM compare this character column with the following character column.  "> ", "# " "uthentication fail", "uthentication Fail", "nknown", "ogin incorrect"  3.   Script command  In  DV201DM,  the  following  command  is  provided  for  modification/confirmation  of script.  command  description SHOW  Display the current contents of script on screen. SETUP  Access the menu for modifying setup script. DIAL  Access the menu for modifying dial script. EXP  Add/remove  a  character  column  to/from  expansion  character column.  EX. 1) GW/CONFIG/MODEM> script © usage : script show|setup|dial|[exp add|del <name> <expand>] show   - show current MODEM scripts setup  - change script to initialize & setup MODEM dial   - change script to dial to PSTN(ISP) exp    - expand reserved script word (ex. &U usr)  EX. 2) GW/CONFIG/MODEM> script show ©  ========== MODEM SCRIPT ========== setup  : \N AT&F OK AT+GCI=61 OK ATPX4W1L3M1E0S95=47 OK AT\\N3B0 OK \N dial   : \N ATD\T CONNECT \N &U \U &P \P &C PPP PPP \N ==================================  EX. 3) GW/CONFIG/MODEM> script setup ©  [  \N AT&F OK AT+GCI=61 OK ATTX4W1L3M1E0S95=47 OK AT\\N3B0 OK \N  ] enter setup script : < new script > 2 - 55
   DV-201DM for H.323 & SIP  EX. 4) GW/CONFIG/MODEM> script dial ©  [  \N ATD\T CONNECT \N &U \U &P \P &C PPP PPP \N  ] enter dial script : < new script >  EX. 5) GW/CONFIG/MODEM> script exp add &C $ © Script Expand added &C, $  GW/CONFIG/MODEM> script show ©  ========== MODEM SCRIPT ========== setup  : \N AT&F OK AT+GCI=61 OK ATPX4W1L3M1E0S95=47 OK AT\\N3B0 OK \N dial   : \N ATD\T CONNECT \N &U \U &P \P &C PPP PPP \N ================================== &C : $ ==================================   EX. 6) GW/CONFIG/MODEM> script exp del &C $ © Script Expand deleted &C  GW/CONFIG/MODEM> script show ©  ========== MODEM SCRIPT ========== setup  : \N AT&F OK AT+GCI=61 OK ATPX4W1L3M1E0S95=47 OK AT\\N3B0 OK \N dial   : \N ATD\T CONNECT \N &U \U &P \P &C PPP PPP \N ==================================  2 - 56
                                 12F, 1591-9, Anyang K-Center, Burim-Dong, Dongan-Gu Anyang-City, Gyeonggi-Do, Korea TEL : 82-31-387-3240  FAX : 82-31-387-3214 Homepage : http://www.davolink.co.kr

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