Grandstream Networks GAC2500 Audio Conference Phone User Manual x0001

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Date Submitted	2015-11-01 00:00:00
Date Available	2015-11-01 00:00:00
Creation Date	2015-11-01 22:10:23
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Document Title	_x0001_
Document Author:	Audrey

Figure 32 GAC2500 Transfer-Blind Transfer
3.
Set the transfer mode to Blind .The default mode is Blind.
4.
Enter the digits and press the SEND to transfer the call with user B to User C. When user C’s phone
rings, the phone interface of user A is shown in figure 43. If user C answers the call, user A will
automatically go back to the idle screen, which indicates the successful transfer.
5.
User C’s phone will ring, the phone with CID function will display user B’s number on screen as the
caller.
---------------------------------------------------------------------------------------------------------------------
Note:
1.
If inputted the wrong digits, press the button
to delete the digit one by one, or long press the
button to empty all digits.
2.
Users could tap on Back icon to go back to the active call interface if wants to cancel transfer.
--------------------------------------------------------------------------------------------------------------------ATTENDED TRANSFER
There are two ways of attended transfer: Call Forward and Call Transfer.
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CALL TRANSFER
1.
User A and user B are in an active call.
2.
User A presses the button
automatically put on hold.
3.
User C answers the phone to set up the line with user A。
4.
User A taps on More button in the menu then choose Transfer to bring up the transfer screen. The
to add a new line with user C. The call with user B will be
line with user B will be displayed on screen.
5.
User A sets the transfer mode to Attended then choose to display user B’s number, the call will be
transferred to user C. User B and user C could talk directly via the phone.
Figure 33 GAC2500 Transfer-Attended Transfer
CALL FORWARD
1.
User A and user B are in an active call. User A tap on More button in the menu to choose Transfer to
bring up the transfer screen.
2.
Select the Transfer mode. As shown in figure 45.
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Figure 34 GAC2500 Call Forward-Select Forward Mode
3.
Input digits and then press the Send soft key.
4.
Users will hear the ringback tone and see the prompt as shown in figure 46. Hang up the phone to
transfer the call to the third party C automatically; press the "Cancel" button will cancel the transfer.
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Figure 35 GAC2500 Call Forward-Transferring
5.
User A could press the "Transfer" button to forward the call to user C. Click on "Split" button to
establish line with the third patty, while user B will be put on hold.
Figure 36 GAC2500 Call Forward-Split
DND (DO NOT DISTURB)
When DND is on, the incoming calls to the GAC2500 will be blocked without ringing. Users could see the
blocked calls in call history. Once enabled, the DND icon
will be displayed in the status bar
on the top of the screen.
1.
Hold the screen at the top of the status bar, drag and drop down to open the status bar.
2.
Touch the DND icon
to turn it on/off.
---------------------------------------------------------------------------------------------------------------------
Note:
1.
When DND is on, the active call will not be affected, all the calls after to the registered accounts will
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be blocked.
2.
When DND is on, the incoming calls to the GAC2500 will not be saved in the call history but in the
blacklist.
--------------------------------------------------------------------------------------------------------------------MISSED CALL
When there is a missed call, the missed call reminder icon call icon will be shown on the status bar and
the notification bar will show the missed call. Tap on the notification to access the dial screen, or access
the Call History interface to view the missed calls, the reminder icon will disappear.
CALL FORWARD
Call forward (Unconditional/No-answer/Busy/Time-based) can be set up on device or from web GUI. Log
in GAC2500 web GUI and go to Settings page->Account->Call Settings. For details, please refer to
"GAC2500 Administration Guide".
SET ON LCD
1.
Go to Settings->Personalized Account to select the account and access configuration page;
2.
Tap on Call Forward Type to access and specify the forward type:

Unconditional: Forward all calls to particular number

Time based: Forward calls based on the time range.

Busy: Forward calls when exists an active call.

No-answer: Forward calls when phone is not answered.
SET FROM WEB GUI
Log in the Web GUI and go to Account->Call Settings to find Call Forward option as shown below and
specifies the call forward mode in the drop-down list.
Figure 37 GAC2500 Call Forward Mode On Web GUI
7-WAY CONFERENCE
The GAC2500 supports up to 7-way conference. The GAC2500 can be the host to initiate a conference or
join other conferences as a party.
INITIATING CONFERENCE
The conference can be initiated from call screen, or start conference from schedule.
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The following steps introduces the way to start conference from call screen,refer to chapter Schedule for
more details about initiating conference from schedule.

Enter numbers in the text box or select parties from the list below.
1.
Access dial screen when the phone is on idle;
2.
Set call mode and select account;
3.
Enter digits in the textbox;
4.
Tap on the matching number on the left to add it to the textbox;
Figure 38 GAC2500 Manually Add Numbers To Conference
5.
Repeat the steps 3-4 to add more numbers;
6.
Tap on

Press
to dial out.
to access conference page, then tap on
1.
Access dial screen when the phone is on idle;
2.
Tap on Conf button
3.
Tap on
or the icon
to add parties.
on desktop to access conference page;
to start adding party to conference.
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Figure 39 GAC2500 Add Party To Conference
4.
Enter digits and then tap on
to dial out.
5.
Repeat the steps 3-4 to add more parties;
---------------------------------------------------------------------------------------------------------------------
Note:
1.
You can add multiple members to conference at one time.
2.
You cannot stay in one single active line once joined conference.
--------------------------------------------------------------------------------------------------------------------ANSWERING AN INCOMING CALL IN CONFERENCE
You can specify how your GAC2500 handles incoming calls. Depending on your configuration, your
GAC2500 automatically answers a call or prompts you to answer a call manually:
Log in GAC2500 web GUI and go to Settings page->Account->Call Settings and set "Auto-answer" option
to "Yes". All incoming calls will be automatically answered. Once enabled, you can see the icon
displayed on the status bar.
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CONFERENCE MANAGEMENT
The following figure shows a 3-way conference established.
Figure 40 GAC2500 3-Way Conference
Redial. Tap on the icon to dial out again if the call failed.
Mute. Once enabled, the icon next to the conference member will turn to
, tap on
again
, tap on
again
to restore. The selected member will not be heard by other parties.
Block.Once enabled, the icon next to the conference member will turn to
to restore. The selected member will not hear other members.
Details. Tap to view conference details.
Delete. Tap to delete conference parties.
More. Bring up more options including Open DTMF, Mute All, Block All.etc.

MPK. Tap to access MPK interface.

Keypad. Tap to pen DTMF keyboard.
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
Start/Stop Recording. Tap to start/stop recording. The recording file will be saved automatically.

Mute/Unmute All. Tap to mute/unmute all parties except the host.

Block/Unblock All. Tap to block/unblock all parties except the host.

Hold. Hold/Unhold conference.

Lock. Lock/Unlock conference.

End. End conference and go back to home screen.
INVITE MEMBERS TO CONFERENCE
Users could use one of the following ways to add members.

Access the dial screen by clicking on the ADD icon
on conference screen. Then enter the
number to dial out. Once the member answers the call, it will be connected into the conference
automatically.

Tap on
to access the call screen, then enter the number to dial out. Once the member
answers the call, it will be connected into the conference automatically.

The member calls the conference number. If the host answers the call, the member will join
conference automatically.
REMOVING MEMBER FROM CONFERENCE
To remove a member from the conference, tap on the member icon and click
to delete it.
THIRD PARTY APPLICATIONS
The GAC2500 runs the Android Operating System and therefore offers full access to the hundreds of
thousands of Android apps in the Google Play Store, including Skype for Business™, Google Hangouts™
and etc.
For example, to use third party app Skype for Business™ during the conference:
1.
On conference screen, click on MORE button and select "Third party applications".
1.
Install Skype for Business™ and sign in.
2.
Establish a conference call on the GAC2500.
3.
Search contacts in Skype for Business™ and dial out.
4.
The new call will be added to conference.
END CONFERENCE
To end the conference, tap on END button to disconnect. If the GAC2500 is the conference host, ending
the conference will disconnect all the members from the conference. If the conference member hangs up
the call, it will be disconnected from the conference but other parties in the conference will stay in the
conference.
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SCHEDULE
SCHEDULE feature allows the user to set a specific time to hold a conference in advance, with
conference reminder and members.
The schedule page is shown below, including upcoming conferences and conference that has been held:
Figure 41 GAC2500 Schedule Screen
VIEW CONFERENCE DETAILS
Users could view scheduled conference details after the current time. Select one conference and tap to
view conference details. Press
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to exit.
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Figure 42 GAC2500 Conference Details Screen
ADD SCHEDULED CONFERENCE
Follow the steps below to add a scheduled conference:
1.
Tap on
on desktop to access schedule screen.
2.
Tap on
in the upper right corner to access "Add Conference" screen as below.
Figure 43 GAC2500 Add Conference Screen
1.
Fill in conference name, members, start time, conference duration, etc.
2.
Tap on
to save the scheduled conference and go back to schedule screen.
Table 11 GAC2500 Add Conference Parameters
Parameters
Descriptions
Conference Name
Set the conference name to identify this conference.
Members of
Conference
Conference Date
Firmware Version 1.0.1.x
Click on button
to access the Add Member screen. You can add one member
or a group of members. Tap on
in the upper right corner to save and go
back to Add Conference screen. Up to 6 members can be added.
Configure when the conference starts.
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Duration (Min)
Configure conference duration.
Reminder Time
Configure whether to remind users in advance. A prompt dialog box will pop up on
the GAC2500 screen 10 minutes before the conference starts.
Auto Answer For
Conference Memb
er
Configure whether to answer the call from the conference member automatically. If
the call is not from the conference member, it will not be answered automatically.
Lock
Users could lock/unlock the scheduled conference. Once locked, the other incoming
calls will not be able to join conference.
EDIT SCHEDULED CONFERENCE
Follow the steps below to edit scheduled conference:
1.
Access conference schedule screen and select the conference entry you would like to edit.
2.
Tap on
in the upper right corner to access edit screen.
3.
Tap on
in the upper right corner to save changes and go back to schedule screen.
RESCHEDULE CONFERENCE
If you want to reschedule the conference that has been held, please refer to chapter Edit Schedule
Conference to edit conference again and save.
DELETE SCHEDULED CONFERENCE
Follow the steps below to delete the existing scheduled conference:
1.
Access schedule screen and select the conference entry you would like to delete.
2.
Slide left on screen and tap on
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to delete conference.
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Figure 44 GAC2500 Delete Conference Screen
You can also follow the steps below to batch delete conferences.
1.
Access schedule screen and long press the conference entry you would like to delete, the screen is
as shown below;
Figure 45 GAC2500 Edit Conferences Screen
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2.
Check the conferences you want to delete;
3.
Tap on
in the upper right corner to batch delete conferences.
VOICEMAIL
When there is a new voicemail, voice mail icon
will show up as a notification in the status bar. Users
could go to Settings->Advanced Settings->Account, or login the web UI->Settings->Account->General
Settings ->Voice Mail UserID to configure the access number for the voicemail.
Follow the steps below to access voicemail:
1.
Access the dial screen and input voicemail access number.
2.
Tap on
3.
Follow the Interactive Voice Response (IVR) for the message retrieval process.
on the call screen to dial into the voicemail box.
Users could also tap on go
to access the voicemail box. The number of new voicemail messages
will be shown on the voice mail app icon as well. See figure below.
Figure 46 GAC2500 Voice Mail Application
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APPLICATIONS
GAC2500 provides built-in applications such as like Contacts, Call History, FileManager, Browser and etc.
Users could also download the apps from GS market or Google Play to install on the GAC2500.
CONTACTS
GAC2500 Contacts app helps users to easily store and manage phone number and contact information.
Users can add contacts on the GAC2500 or import contacts from external devices as well as download
from a server.
On the GAC2500 home screen, you can see local Contacts, LDAP Contacts and BS Contacts.
Figure 28 GAC2500 Contacts Screen
LOCAL CONTACTS
The Local Contacts screen shows as follows:
Figure 47 GAC2500 Local Contacts Screnn

Contacts. Display all contacts.

Groups. View groups. Select one group to view group details.

Blacklist. Display blacklist.


Call.Tap
on the contact you would like to call.
Add Contact. Tap to access New Contact screen. Fill in contact information and save.
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
Search Contact. Tap to access Search Contact screen.

More. Tap on

Contact Details. Select one contact to view contact details.
to export/import/download Contacts, view storage status or sort Contacts.
ADD CONTACT
ADD SINGLE CONTACT
Follow the steps below to add one single contact.
1.
On the Contacts screen, tap on the button
to access New Contact screen;
Figure 48 GAC2500 Add New Contact Screen
2.
Enter contact information. Choose the account on the left of the “Phone” field to dial out this number;
3.
Click "OK" to save the contact information.
BATCH IMPORT CONTACTS
Import function allows users to batch import contacts. The phonebook with compatible format needs to be
saved to the storage devices like SD card/USB flash drive and plugged into the GAC2500.
1.
On the Contacts screen, tap on the MENU key
on Contacts screen and select "Import" to
access Import Contacts screen;
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Figure 49 GAC2500 Import Contacts Screen
2.
Configure parameters and select the path to save the imported file;
3.
Click "OK" to save the contact information.
Figure 50 GAC2500 Import Contacts Parameters
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Parameters
Descriptions
Clear The Old List
If enabled, the previous contact records will be deleted when a new phonebook file
is loaded into the phone. If disabled, both the old contacts and new contacts will be
kept in the GAC2500.
Replace Duplicate
Entries
If enabled, when the phonebook file is imported to the phone, the duplicated entries
will be removed. If disabled, both the old contacts and new contacts will be kept in
the GAC2500.
File Encoding
Select the encoding format for XML contact file.
File Type
Select the file format for phonebook file import. The device supports xml, csv and
vcard format.
Select The File
Select file from storage device plugged into the GAC2500.
CGAC2500
supports downloading phonebook from the file server to batch add contacts. The default file
name the GAC2500 looks for is "phonebook.xml". The phonebook XML file should be placed under the
file server directory for the GAC2500 to retrieve. The GAC2500 supports vcard/xml/csv file format.
1.
On the Contacts screen, tap on the MENU key
and select "Download" to bring up the
Download Contacts screen.
Figure 51 GAC2500 Download Contacts Screen
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2.
Configure parameters and select the path to save the file.
3.
Tap on the "OK" key to save the contact information.
Table 10 GAC2500 Download Contacts Parameters
Parameters
Descriptions
Clear The Old List
If enabled, the previous contact records will be deleted when a new phonebook file
is loaded into the phone. If disabled, both the old contacts and new contacts will be
kept in the GAC2500.
Replace Duplicate
Entries
If enabled, when the phonebook file is imported to the GAC2500, the duplicated
entries will be removed. If disabled, both the old contacts and new contacts will be
kept in the GAC2500.
Download Mode
Select the phonebook download mode from TFTP, HTTP or HTTPS.
File Encoding
Select the encoding format for the XML contact file.
Time Intervals
Configure the time interval to download XML contact file.
Download Server
Fill in the server URL or IP address to download the XML contact file to the device.
SEARCH CONTACTS
GAC2500 supports Search function; users could tap on
icon on the Contacts page and input the
keyword to search in the pop-up dialog. GAC2500 will automatically display contacts items related to the
search info. Fuzzy search and precise search are both supportive.
MANAGE CONTACTS
DELETE CONTACT
1.
Long press the contact you would like to delete to access edit interface;
2.
Check the contact, or click the button in the upper left corner of the toolbar for quick operation.
"Select All" indicates check all select entries while "Cancel All" indicates uncheck all selected entries.
3.
Tap on
to delete contacts you selected.
EXPORT CONTACTS
The GAC2500 supports exporting phonebook as vcard/xml/csv files and save the files to other external
storage devices.
1.
Press the MENU key
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on Contacts screen to bring up the Export Contacts screen.
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Figure 52 GAC2500 Export Contacts Screen
2.
Configure parameters as shown in table below and select the directory to save the exported file.
3.
Tap on the "OK" key to export the file.
Table 11 GAC2500 Export Contacts Parameters
Parameters
Descriptions
File Encoding
Select the encoding format for XML contact file.
File Type
Select the file format for phonebook file export. The device supports xml, csv ,vcard.
Choose Directory
Select directory to save file.
SEND CONTACTS
1.
Long press the contact you would like to send to access edit screen;
2.
Check to select the contact you want to send;
3.
Choose the way to send contact. If Bluetooth Device Chooser has been enabled, users could send
the contact to the paired user via the Bluetooth.
CONTACTS STORAGE STATUS
Tap
on the Contacts page to view the contacts storage. The GAC2500 can store up to 2000 entries.
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Figure 53 GAC2500 Contacts Status Screen
---------------------------------------------------------------------------------------------------------------------
Note:
The contacts synchronize with account do not occupy the storage space.
--------------------------------------------------------------------------------------------------------------------ADD GOOGLE ACCOUNT
Account allows users to add vast number of 3rd party Android applications (including Google, Lync, Skype,
company, Email, and etc).Users can also sync GAC2500 via Google Play account, corporate account or
Email.
Figure 54 GAC2500 Account-Sync Interface
Tap "Add Account" button to add new account according to the installation wizard.
The following steps demonstrate how to add a Google account.
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Figure 55 GAC2500 Add Google Account-Wizard 1
Figure 56 GAC2500 Add Google Account-Wizard 2
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GROUPS
Users could divide contacts into different groups with specific names. Tap on one group entry to view
group details.
Figure 57 GAC2500 Groups Screen
ADD NEW GROUP
There are 2 ways to add group members.

Add the contact to the group when editing or adding a new contact.

Select the contact you would to add to this group on Groups page when adding or editing a new
group.
Follow the steps below to add new group:
1.
Tap on
on the Groups page as shown below;
Figure 58 GAC2500 Add Group Screen
2.
Input the group info and click "OK" to save group.
---------------------------------------------------------------------------------------------------------------------
Note:
The priority of ring from high to low is "Custom", "Group", "Account" and "Default". If one group has set
the custom ring for its contacts, the phone will ring the custom ringtone other than other group ringtones.
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--------------------------------------------------------------------------------------------------------------------CALL GROUPS
1.
Tap on
in the upper right corner on Groups screen to access screen as shown below:
Figure 59 GAC2500 Dial Group Members Screen
2.
Check group members you want to call;
3.
Tap on the DIAL button to dial out.
DELETE GROUP
Follow the steps below to delete groups.
1.
Long press the group you want to delete, the screen is shown below:
Figure 60 GAC2500 Edit Groups Screen
2.
Check to select the group you would like to delete.
3.
Tap on
in the upper right corner to delete.
BLACKLIST
Blacklist helps users to block calls from blacklist at the same time does not affect normally answering
other incoming calls.
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Figure 61 GAC2500 Blacklist Screen
: Display blocks history.
: Tap to add number to blacklist. There are 3 ways to add number: Manually add, Add from Contacts,
Add from Call History. Select one way and tap on "OK" to add the corresponding number to blacklist.
Long press one blacklist log to enter the editing mode to edit or delete the selected contacts. Users could
edit the contact If select one blacklist entry only.
: Blacklist Settings.
Table 12 GAC2500 Blacklist Settings Parameters
Parameters
Specification
DND Mode
Turn on/off DND mode. Once it’s turned on, the phone would reject all incoming
calls.
Turn on/off Block Mode. Once it's turned on, the incoming calls from the numbers in
the blacklist will be rejected.
Set the types of incoming calls. This option is valid once the Block Mode is turned
on.
Block Mode
Block Options
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Block Notification
Set up whether to notify user after blocked calls. Once it's turned on, the block icon
will be displayed in the status bar after the device blocked calls. Users could
go to the notification bar to view details.
Time Settings
Set up the block schedule.
LDAP
GAC2500 supports LDAP. Tap on LDAP Contacts to access the main interface as shown below:
Figure 62 GAC2500 LDAP Book Screen
Tap on
in the upper right corner or login the Web page to configure it. (Maintenance ->LDAP Book).
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Figure 63 GAC2500 LDAP Settings
Table 13 GAC2500 LDAP Book Parameters
Parameters
Server Address
Port
Base DN
User Name
Password
LDAP Name Attributes
LDAP Number Attributes
LDAP Mail Attributes
LDAP Name Filter
Firmware Version 1.0.1.x
Descriptions
LDAP server address, users could input IP address or domain
name.
Set up the port number of LDAP server.
Set up the base DN to inquire on the serve ,namely under which
directory to inquire contacts.i.e., dc=grandstream, dc=com
ou=Boston, dc=grandstream, dc=com
Set up the username to login LDAP server. Some LDAP servers
support anonymous login without username.
Set up the password to login LDAP server. If the LDAP server
support anonymous, users could login without password.
Set up the name attribute of each record returned from LDAP
search. It allows users to configure multiple name attribute
separated by spaces. i.e., gn cn sn description。
Set up the number attribute of each record returned from LDAP
search. It allows users to configure multiple number attribute
separated by spaces. i.e.,
telephoneNumber
telephoneNumber Mobile。
Set up the mail attribute of each record returned from LDAP search.
It allows users to configure multiple mail attribute separated by
spaces. i.e.,
mail
mail mailbox。
Set up the filter when configure name inquiry.i.e.,
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LDAP Number Filter
LDAP Mail Filter
LDAP Displaying Name
Attributes
Max Hits
Search Timeout(ms)
LDAP Lookup For Dial
LDAP
Lookup
Incoming Call
For
(|(telephoneNumber=%)(Mobile=%) return all “telephoneNumber” or
contacts with specified filter value in “Mobile” f.
(&(telephoneNumber=%) (cn=*)) return all contacts with specified
filter value with “cn“ field in “telephoneNumber”.
Set up the filter when configure number inquiry.i.e.,
(|(telephoneNumber=%)(Mobile=%) return all “telephoneNumber” or
contacts with specified filter value in “Mobile”.
(&(telephoneNumber=%) (cn=*)) return all contacts with specified
filter value and the set “cn“ field in “telephoneNumber”.
Set up the filter when configure mail inquiry.i.e.,
(|(mail=%)(mailBox=%)) return all contacts with specified filter value
in “Mail” or“Mailbox” .
(!(mail=%)) return all contacts without specified filter value in “Mail” ;
(&(mail=%) (cn=*)) return all contacts with specified filter value and
the set “cn“field in “mail”.
Display onscreen name attribute, up to three attributes. Such
as:%cn %sn %telephoneNumber
Set up the max hit return to the LDAP server. If set to “0”, the server
will return all searched results. The default setting is 50.
Set up the search timeout return after inputting search info.The
default setting is “0”.
Set up whether to appy LDAP lookup for dial. The default setting is
“No”.
Set up whether to appy LDAP lookup for incoming call. The default
setting is “No”.
Once configured, you can tap on Search button
to input digits or name to search LDAP contact as
shown below.
Figure 64 GAC2500 Web GUI Maintenance-LDAP Book
: dial out.
:Add the LDAP contact to local Contacts.
Follow the steps below to batch add LDAP contacts:
1.
Search LDAP contacts;
2.
Tap on
to access add contact screen as shown below:
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Figure 65 GAC2500 Add LDAP Contact To Local
3.
Check contacts entries to add contacts to local.
BS CONTACTS
Please contact the administrator to configure before use BS Contacts, please refer to "GAC2500
Administration Guide" for more information.Once configured, tap on BS Contacts entry to access screen.
CALL HISTORY
Call History provides users access to phone's recent call records. The user can view all records, or select
different categories for incoming calls, outgoing calls, missed call and conference.
To access Call History, go to Home screen->APPLICATIONS->select
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Figure 66 GAC2500 Call History Screen
Click on a record in the call history and press
to dial out this number directly. Tap one history entry
to view call details for this number.
Figure 67 GAC2500 Call History Details
----------------------------------------------------------------------------------------------------------------------------- ---------------
Note:
Call history displays all BlueJeans™ conference call history as well. Tap on
to dial out directly and
there is no need to input the password again. However, if the conference doesn’t exist or the password
has been changed, the re-dial will fail.
----------------------------------------------------------------------------------------------------------------------------- --------------ADD CONTACT FROM CALL HISTORY
1.
Access Call History screen.
2.
Select one call history entry to access details screen.
3.
4.
Tap on
in the upper right corner to access Add Contact screen;
Confirm to add contacts.
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DELETE CALL HISTORY
1.
Long press the call history entry you want to delete to access editing mode.
2.
Check the entry and tap on
, click "OK" to delete.
CONFERENCE SCHEDULE VIA CALL HISTORY
1.
Select one call history entry you would like to add to scheduled conference.
2.
Tap on
3.
Fill in information and tap on
in the upper right corner to access schedule screen.
to save.
MPK
User could login the Web page and go to Advanced Settings->MPK LCD Settings or tap on Menu—MPK
to configure it.
1.
Open MPK, tap on
in the upper right corner to access Add Number page. Tap on
add number. As shown in figure 53.
to
Figure 68 GAC2500 Add MPK Number
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Figure 69 GAC2500 MPK Number List
2.
Users could also tap on
to add number directly from Contacts. See figure below.
Figure 70 GAC2500 Add Number from Contacts
3.
The MPK screen is shown in figure 56 after added numbers.
Figure 71 GAC2500 MPK Number Screen
EVENR LIST URL
The Event List URI in MPK list, it requires server support. Users should firstly configure a Event List URI
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including expanded list on the server (i.e.: BLF1006@myserver.com) and fill in URI without a domain
name (i.e.：BLF1006).
FILEMANAGER
FileManager allows users to delete, move, copy, paste, send, rename files (including files on storage
device such as USB flash drive and SD card), and query file properties on the GAC2500.
COPY FILE
To copy the file from the GAC2500 to USB/SD storage device:
1.
Insert USB/SD storage device into USB port on the GAC2500. It will take a few seconds for the
GAC2500 to prepare the connection;
2.
The USB storage icon will show on the status bar;
3.
Go to Home screen->APPLICATIONS->FileManager;
4.
Open the target folder;
5.
Long press the file to select;
6.
Tap on
in the upper right corner to copy file and press
to go back to the upper level
directory.
7.
Select target storage device and go to the directory where the file will be pasted to paste the file.
SEND FILE
The first 5 steps are the same as the ones in Copy File.
6.
Tap on
in the upper right corner select "Send" option.
7.
Select target location and confirm to send file.
If the user needs to send the file via Bluetooth, enable and connect Bluetooth device first. Otherwise, the
interface will be redirected to the corresponding setting page to configure.
DELETE FILE
The first 5 steps are the same as the ones in Copy File.
6.
Tap on
in the upper right corner, a dialog will pop up for users to confirm whether to delete the
file or not.
7.
Press the "OK" key to delete the file successfully.
RENAME FILE
1.
Go to Home screen->APPLICATIONS->FileManager.
2.
Open the target folder and select the file.
3.
Press MENU key
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4.
Input the new file name in the pop-up dialog and press the "OK" key to save, tap on "Cancel" or press
to cancel.
RECORDER
Users could record conference, institution and personal notes via GAC2500 Recorder conveniently.
There is no time limit to recording time and the larger the available storage capacity is, the longer the
recording time is. Users could also find the recording file in the recorder and listen to it.
Figure 72 GAC2500 Recorder Screen
Long press the recording files to access editing interface, tap on the MENU key
to make other
operations to recording files like export, rename, lock/unlock.
NORMAL RECORDER
1.
Tap on
in the upper right corner to access recording interface, Tap on
to initiate recording.
Figure 73 GAC2500 Normal Recorder
2.
Click "Save" to save the record file, click "Cancel" will bring out the dialog for users to confirm
whether to save the file or not and to stop recording.
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Figure 74 GAC2500 Normal Record-Recording
3.
Go back to the Recorder page, select one recording file and click
on the right of the progress
bar to play the file.
CALL RECORDER
In the process of an active call, the recording file will be saved on the phone. Users can only listen to it via
Recorder. See figure 101 below.
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Figure 75 GAC2500 Call Recordings
RECORDER CONFIGURATION
Tap on
in the upper right corner on Recorder screen to sort the recording files, or access the
recording screen as shown below:
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Figure 76 GAC2500 Recorder Settings Screen
Enable Password. Enable and set password. Once set the password, input the password to access
Recorder.
No Enough Space for Recording. Set "Replace Old Audio" or "Stop and Save" when there is no enough
space for recording.
Set Maximum Recorder Space (MB). Set the maximum recording space on the device, you cannot view
recording files vie FileManager.
Set Export Location. It can be an SD card or external export device.
DIAGNOSIS
Users could make operation like LCD Diagnosis, Keypad Diagnosis, LED Diagnosison GAC2500 via builtin Diagnosis app.
BROWSER
Users could browse webpage, view news and watch video via the built-in GAC2500 Browser. Press on
in the main menu to open Browser.

Slide up and down with slide gesture to scroll the screen.

Zoom in/out the page via zoom gesture.

Press the menu button
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GS MARKET
GAC2500 provides direct access to apps via built-in GS market app. Users could download the apps from
the market and install to the GAC2500.
SEARCH APPS
In the GAC2500 Home screen, click on Applications->GS Market
. The users could view the apps
by category, or input key words and click on SEARCH icon to search.
Figure 77 GAC2500 GS Market
DOWNLOAD AND INSTALL APPS

Users could see if the app has been installed or downloaded by pressing the blue shortcut key.

Press MENU key

Tap on
to cancel download in process.

Tap on
to try again if the download failed.

The installing process will be automatically started after downloading the app.

Go to Installed screen to view the installed apps, or tap on
to view the downloaded apps and installed apps.
to uninstall the downloaded apps.
UPDATE APPS
The GAC2500 will automatically detect if there is new version available for the installed apps to upgrade
when the network connection is normal. User can view the relevant information and update apps on the
Installed screen.
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GAC2500 WEB UI FEATURES
ACCESSING GAC2500 WEB GUI
The IP address of the GAC2500 displays on LCD display screen .
To access the GAC2500 Web GUI:
1.
Connect the computer to the same network as GAC2500.
2.
Open a Web browser on your computer, enter the phone’s IP address in the address bar of the
browser; for example: http://192.168.124.111;
3.
Enter the administrator’s login and password to access the Web Configuration Menu. The default
username and password are: admin, admin; you can set language to English or Chinese in the dropdown menu of language.
Figure 78 GAC2500 Web GUI-Login
4.
Click "Login" to access the configurations in web UI.
SAVING CHANGES
When changing any settings on the web UI, always submit them by pressing the SAVE button on the
bottom of the page, and then clicking the Apply button on the top of the page to apply the configuration
changes. For those options with
next to it in the Web page, users must reboot the GAC2500 for the
changes to take effect.
DEFINITIONS
This section describes the 7 options in the GAC2500 Web GUI. Please view Advanced, Maintenance,
Broadsoft and Status specifications in Administration Guide.

Call
Users could start conference and control conference from Web GUI.

Contacts
Contacts, Schedule, Call History.

Account
Contacts, Schedule, Call History, LDAP.

Advanced
General Settings, Call Features, Tone Generator, MPK General Settings, MPK LCD Settings.

Maintenance
Network Settings, Time & Language, Security Settings, Upgrade, Troubleshooting, Device Manager.

Broadsoft
Broadsoft, Broadsoft IM & P

Status
Account Status, Network Status, System Info.
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You can log in as an administrator or a normal user. The following table shows the web pages accessible
by normal user and administrator.
Table 14 GAC2500 Users Access Permissions
User Type
Normal User
Username
user
Default Password
Accessible Web Pages




123


Administrator
admin
admin
Call
Contacts
Account: Call Settings
Advanced: MPK General Settings, MPK LCD
Settings
Maintenance: Network Settings, Time &
Language, Security Settings,Device Manager
Status: Account Status, Network Status,
System Info
All pages
TOOLBAR
The web UI tool bar is on the upper right corner of the web UI page.
Figure 79 GAC2500 Web UI Tool Bar

Expert
Once enabled, you can see more advanced settings.

DND
Turn on/off DND mode. Once enabled, the DND text will turn into red and all incoming calls will be
rejected.

English
Select the display language for the web UI.

Reboot
Reebot the device.

Logout
Log out from the web UI.
CALL PAGE
GAC2500 Web UI call page is shown below. Users could make calls and initiate conference from Web UI.
Figure 80 GAC2500 Web UI-Call
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MAKING A CALL
Enter phone number in input box and select call mode, tap on
history entry in the list below and click on
to dial out; Or select one call
to dial out.
CONFERENCE CONTROL
When making a new call, initiating a conference or receiving an incoming call, the conference screen will
pop up as shown below.
Figure 81 GAC2500 Web UI-Conference Control
CONTACTS PAGE
This page lists Contacts, Schedule and Call History and LADP.
CONTACTS
Users could search/add/delete/edit contact on web page. The operations will be synchronized and can be
viewed from LCD as well. The web UI contacts page is as shown below.
Figure 82 GAC2500 Web UI-Contacts

Select "Import" option and you will find import screen on the right. Refer to chapter BATCH IMPORT
CONTACTS for more details.

Select "Export" option and you will find export screen on the right. Refer to chapter EXPORT
CONTACTS for more details.

Select "Download" option and you will find download screen on the right. Refer to chapter
DOWNLOAD CONTACT for more details.

Click on
save.
and you will find Add Contact screen on the right. Fill in contact information and

Click on
save.
and you will find Edit Contact screen on the right. Edit contact information and
GROUPS
GAC2500 supports up 7-way conference. If there are more than 6 conference members, tap on
will
only dial the first 6 members in the group.
Figure 83 GAC2500 Web UI-Groups
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SCHEDULE
Conference can be scheduled, edited and deleted from web UI. Refer to chapter SCHEDULE for more
details.
Figure 84 GAC2500 Web Page-Schedule
CALL HISTORY
From web UI, users could also access Call history, which is synchronized with the call history from LCD.
Figure 85 GAC2500 Web UI-Call History
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EXPERIENCING GAC2500
Please visit our website: http://www.grandstream.com to receive the most up-to-date updates on firmware
releases, additional features, FAQs, documentation and news on new products.
We encourage you to browse our product related documentation, FAQs and User and Developer Forum
for answers to your general questions. If you have purchased our products through a Grandstream
Certified Partner or Reseller, please contact them directly for immediate support.
Our technical support staff is trained and ready to answer all of your questions. Contact a technical
support member or submit a trouble ticket online to receive in-depth support.
Thank you again for purchasing Grandstream Audio Conference Phone, it will be sure to bring
convenience and color to both your business and personal life.
EU Compliance:
The device complies with EU EMF Directive 1999/519/EC can be used in the European Community.
“ Hereby, (Grandstream Networks, Inc.), declares that this device (GAC2500 ) is in compliance with the
essential requirements and other relevant provisions of Directive 1999/5/EC.”
FCC Caution:
Any Changes or modifications not expressly approved by the party responsible for compliance could void
the user's authority to operate the equipment. This device complies with part 15 of the FCC Rules.
Operation is subject to the following two conditions: (1) This device may not cause harmful interference,
and (2) this device must accept any interference received, including interference that may cause
undesired operation.
Note: This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against
harmful interference in a residential installation. This equipment generates uses and can radiate radio
frequency energy and, if not installed and used in accordance with the instructions, may cause harmful
interference to radio communications. However, there is no guarantee that interference will not occur in a
particular installation. If this equipment does cause harmful interference to radio or television reception,
which can be determined by turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
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- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
Radiation Exposure Statement:
This equipment complies with FCC&CE radiation exposure limits set forth for an uncontrolled environment.
This equipment should be installed and operated with minimum distance 20cm between the radiator &
your body.
※※※ END of User’s Manual ※※※
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