Huawei Technologies IPP8950 IP Phone User Manual 3

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eSpace 8950 IP Phone
V100R001C00
Product Description
Issue
01
Date
2014-07-26
HUAWEI TECHNOLOGIES CO., LTD.
Copyright © Huawei Technologies Co., Ltd. 2014. All rights reserved.
No part of this document may be reproduced or transmitted in any form or by any means without prior
written consent of Huawei Technologies Co., Ltd.
Trademarks and Permissions
and other Huawei trademarks are trademarks of Huawei Technologies Co., Ltd.
All other trademarks and trade names mentioned in this document are the property of their respective
holders.
Notice
The purchased products, services and features are stipulated by the contract made between Huawei and
the customer. All or part of the products, services and features described in this document may not be
within the purchase scope or the usage scope. Unless otherwise specified in the contract, all statements,
information, and recommendations in this document are provided "AS IS" without warranties, guarantees or
representations of any kind, either express or implied.
The information in this document is subject to change without notice. Every effort has been made in the
preparation of this document to ensure accuracy of the contents, but all statements, information, and
recommendations in this document do not constitute a warranty of any kind, express or implied.
Huawei Technologies Co., Ltd.
Address:
Huawei Industrial Base
Bantian, Longgang
Shenzhen 518129
People's Republic of China
Website:
http://enterprise.huawei.com
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eSpace 8950 IP Phone
Product Description
Contents
Contents
1 Product Positioning and Highlights .......................................................................................... 1
2 Features and Functions ................................................................................................................ 3
2.1 Multi-service Support ................................................................................................................................................... 3
2.1.1 Phone Features ........................................................................................................................................................... 3
2.1.2 IPT Features ............................................................................................................................................................... 6
2.1.3 UC Features ............................................................................................................................................................... 8
2.1.4 Conference Features .................................................................................................................................................. 9
2.2 High-Fidelity Voice Quality ........................................................................................................................................ 10
2.3 Superb Network Adaptability ..................................................................................................................................... 10
2.3.1 Multiple Methods for Obtaining IP Addresses......................................................................................................... 10
2.3.2 QoS .......................................................................................................................................................................... 10
2.4 Multiple Auxiliary Ports ............................................................................................................................................. 10
2.5 Security ....................................................................................................................................................................... 11
2.5.1 Transport Layer Security ......................................................................................................................................... 11
2.5.2 Configuration File Encryption ................................................................................................................................. 11
2.5.3 802.1x Authentication .............................................................................................................................................. 11
2.5.4 802.1x Logoff-Proxy ............................................................................................................................................... 11
2.6 Reliability ................................................................................................................................................................... 11
2.6.1 Multi-registration ..................................................................................................................................................... 11
2.6.2 eSight Redundancy .................................................................................................................................................. 12
2.6.3 AA Server Redundancy (Available Only in IMS+UC) ............................................................................................ 12
2.6.4 Corporate Directory Server Redundancy (Available Only in IMS+UC) ................................................................. 12
2.7 Openness..................................................................................................................................................................... 12
2.8 Management Features ................................................................................................................................................. 12
2.8.1 TR069-based Management on eSight ...................................................................................................................... 12
2.8.2 DHCP-based Management ...................................................................................................................................... 12
2.8.3 Log Export ............................................................................................................................................................... 13
2.9 Media Features ........................................................................................................................................................... 13
2.9.1 Three-Meter Audio Pickup ...................................................................................................................................... 13
2.9.2 Audio VQE .............................................................................................................................................................. 13
2.9.3 Audio HAC .............................................................................................................................................................. 13
2.9.4 QoS Marking ........................................................................................................................................................... 13
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eSpace 8950 IP Phone
Product Description
Contents
2.9.5 Echo Cancellation .................................................................................................................................................... 13
2.9.6 Jitter Buffer .............................................................................................................................................................. 13
2.9.7 VAD and CNG ......................................................................................................................................................... 14
2.9.8 Automatic Gain Control ........................................................................................................................................... 14
2.9.9 Side Tone Cancellation ............................................................................................................................................ 14
2.9.10 PIP ......................................................................................................................................................................... 14
2.9.11 Video Dual-Display ............................................................................................................................................... 14
2.9.12 Video Resolution.................................................................................................................................................... 14
3 Technical Specifications ............................................................................................................ 15
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eSpace 8950 IP Phone
Product Description
1 Product Positioning and Highlights
Product Positioning and Highlights
eSpace 8950 is a high-end video IP phone that features a sleek, elegant design. It delivers a
revolutionary high-definition (HD) video calling and conferencing experience and is
well-suited for senior executives, key decision-makers, and managing assistants.
eSpace 8950 has the following features:

8-inch multi-touch capacitive full-view in-plane switching (IPS) screen with a 1280 x
800 resolution

Runs on the Android 4.2.2 operating system and supports a large variety of third-party
applications

Opus full-band audio codec and dual speakers provide high-fidelity audio

Delivered with an external USB camera

High-performance audio and video engine with packet loss protection

Simple and elegant user interface that provides an intuitive HD audio and video
conferencing experience

Dual-band 2.4 GHz/5 GHz WiFi, high-speed Bluetooth technology with ultra-low power
consumption, 48 k wideband audio
Figure 1-1 shows the appearance of eSpace 8950.
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eSpace 8950 IP Phone
Product Description
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Figure 1-1 Appearance of eSpace 8950
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eSpace 8950 IP Phone
Product Description
2 Features and Functions
Features and Functions
2.1 Multi-service Support
2.1.1 Phone Features
Multiple Lines
With regard to the multi-line feature, eSpace 8950 supports the following:

Registration of a maximum of 24 lines at the same time, with each line supporting
multiple concurrent calls.

Usage display for each line button, including the number, availability, and status of the
line configured for the line button.

Line switching using the line button. On each line, users can use the line button to hold
or resume a call.
Audio Mute
eSpace 8950 allows a user to mute an ongoing call. With audio mute enabled, the user can still
hear the peer party, but the peer party cannot hear the user. After the local end is muted, the
Mute LED turns red and the Mute icon on the display turns blue.
Video Shutdown
eSpace 8950 allows a user to stop video transmission during a video call. After video is
disabled, the local end can continue watching the video of the peer end, but the peer end
cannot view the video of the local end.
Video Preview
eSpace 8950 supports video preview during an ongoing call or when no call is in progress. In
video preview mode, users can optimize the video feed by adjusting the video brightness,
contrast, and size.
Caller ID
eSpace 8950 displays the number of an incoming call.
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When a calling number matches a phone number in the contact list, eSpace 8950 also displays
the corresponding contact information such as the name, profile picture, department.
Call History
eSpace 8950 records the call history and can display of a maximum of 100 records for
received calls, missed calls, and placed calls each.
eSpace 8950 allows the following operations:

View missed calls on the home screen.

Perform operations from the call history:
−
Directly dial a number, edit a number before placing a call, or add a number to the
contact list.
−
Delete a call record from the call history, or clear the call history.
−
Select the target number from the call history during a call transfer or conference.
Phone Lock
eSpace 8950 supports automatic and manual phone lock. A password is required to unlock
eSpace 8950.
A locked phone prevents unauthorized or accidental phone operations.
Languages
eSpace 8950 allows users to switch between languages.

Display: Arabic, Chinese (simplified and traditional), English, French, German,
Hungarian, Polish, Portuguese, Russian, Spanish, and Turkish

Input: Arabic, Chinese (simplified and traditional), English, French, Portuguese, and
Spanish
Local Conference
eSpace 8950 allows users to create local conferences by adding another party to an active
two-party call or by merging calls. After a local conference is set up, the initiator can perform
management operations, including adding participants (upper limit: six participants, including
the initiator), muting participants, removing participants, viewing participant details, and
ending the conference.
Speed Dial
eSpace 8950 allows users to drag the Speed Dial plug-in to the desktop and add
frequently-used numbers to the plug-in. The system then automatically generates speed-dial
labels for these numbers. Users can tap a speed-dial label to initiate an audio or video call.
eSpace 8950 also allows users to add, delete, and modify speed-dial labels.
Emergency Call
eSpace 8950 allows users to place emergency calls even when the phone is locked or
unregistered. An emergency call will carry the current geographical location of the phone.
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Contacts
eSpace 8950 can store a maximum of 1000 contact records, each containing a profile picture,
name, department, and phone number. eSpace 8950 allows the following operations on
contacts:

Add, modify, and delete contacts and groups.

View a contact's status (busy, idle, or offline), directly call a contact, and edit a number
before placing a call.

Import contacts from or export contacts to .csv or .cvf files through the USB port or web
page.
LDAP Directory
eSpace 8950 allows users to query a contact in the LDAP-based corporate directory (LDAP
stands for Lightweight Directory Access Protocol). Users can obtain the following contact
information: name, department, position, office number, home number, mobile number, soft
terminal number, and other numbers (if available).
eSpace 8950 can interoperate with common Microsoft active directory (AD) servers to
support:

Real-time display of query results.

Further operations on query results, including viewing contact details, adding a contact
to the local contact list, and calling contacts.
Dial Plan
eSpace 8950 allows users to configure dial rules, including instant calling, delayed calling,
number replacement, and number prefix or suffix. When the number entered matches a preset
dial rule, eSpace 8950 automatically converts the number according to the corresponding rule
(for example, adding a prefix or replacing the number with another one), and then calls the
new number.
Preferences
eSpace 8950 allows users to customize services on the LCD screen or web page. For example,
users can customize ringtones, wallpapers, and audio sources.

Ringtone customization: Users can use the default ringtone, or import a ringtone file.
Users can also set different ringtones for internal calls and external calls.

Wallpaper customization: Users can use the default wallpaper and preview a wallpaper
before using it. Users can also import a picture to use as the wallpaper. The supported
picture formats are .png, .bmp, and .jpg.

Audio source control: Users can set default audio output to allow audio output from the
headset or speaker. By default, audio is output from the speaker.
eSpace 8950 allows users to drag frequently used applications or widgets to the desktop, and
adjust the size and location of widgets.
Android-bundled Applications
eSpace 8950 is factory-installed with common Android-bundled applications, such as
calculator, calendar, clock, email, gallery, and browser.
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These Android-bundled applications are released with the phone, and users cannot uninstall
these applications.
External Camera
eSpace 8950 supports an external USB camera, which collects and processes video signals
and then transfers video code and streams to the phone through the USB port.
The USB camera is equipped with a dual-color LED (blue/red) to show its operating status. If
you do not want the peer end to view your video, close the camera shutter.
PoE
eSpace 8950 supports power over Ethernet (PoE).
2.1.2 IPT Features
Audio Call
eSpace 8950 provides basic telephony functions after registering with the server, including
answering, hanging up, and ignoring calls.
Audio Codec Format
An audio codec format refers to the VoIP codec standard in use. Voice audio is made of
continuous analog signals. To transmit voice audio over an IP network, it must be sampled
into a digital signal, and then compressed to reduce bandwidth usage. Digital signals will be
decoded back to voice audio at the receive end.
Supported audio codec formats include G.711 and G.729.
Video Call
eSpace 8950 supports basic point-to-point video calls, during which both parties can view
each other's video.
Both parties must have the video capability before they can make a video call. Users can
switch between voice calls and video calls.
Video Codec format
A video codec format refers to the video codec standard in use. To transmit video over an IP
network, video signals must be encoded, which means collected video digital signals are
compressed before transmission to reduce bandwidth usage. Packets will be decoded back to
video signals at the receive end.
Supported video codec formats include H.264 and MJEG1/2/4.
Call Hold
eSpace 8950 supports call hold, which allows users to place an ongoing call on hold and
resume the call later.
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Call Waiting
eSpace 8950 supports call waiting. If the current line is occupied and one or more idle lines
are available, the system will display an incoming call notification when a new call comes in.
Call Transfer
eSpace 8950 allows a user to transfer an ongoing call to a specified user. The other party on
the call can then talk with the specified user.
eSpace 8950 supports two types of call transfer modes: blind and consult.
Call Forward
eSpace 8950 is able to forward calls to a preset phone number or voicemail.
eSpace 8950 supports four different call forward modes: Call Forward All (CFA), Call
Forward Busy (CFB), Call Forward No Answer (CFNA), and Call Forward Offline (CFO).
Call Divert
eSpace 8950 allows a user to transfer an incoming call to a specified user, with no need for
the user to set up a call with this specified user. The other party on the call can then talk with
the specified user.
Distinctive Ring
eSpace 8950 supports different ringtones for internal and external calls.
Auto Callback (Available only in IMS+UC)
With auto callback, eSpace 8950 allows a user to register an auto callback service with the
server when the dialed number is busy or does not respond. The server will automatically
initiate a call to the calling number when detecting that the dialed number is reachable. After
the calling party answers the call, the server calls the dialed number.
Busy Lamp Field (BLF)
eSpace 8950 allows users to monitor the status of specified numbers through a collection of
LEDs on the phone. The LEDs use different colors to indicate number status, such as busy,
idle, and away.
DND
When Do Not Disturb (DND) is enabled, no calls will be received.
Advanced Secretary Service
eSpace 8950 supports the advanced secretary service, which allows a manager and his or her
secretary to share a phone number. When a user dials the manager's phone number, the
manager's and secretary's phones ring at the same time. The secretary can then answer the call
for the manager. If the secretary needs to ask the manager for a decision, the secretary can call
the manager using the private line between them. The manager can then answer the user's call
by pressing the line button.
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2.1.3 UC Features
Linkage
The linkage function links eSpace 8950 with an eSpace Desktop (an eSpace PC client). With
the linkage function enabled, the status between eSpace 8950 and the linked eSpace Desktop
is synchronized, and users can use the linked eSpace Desktop to place, answer, or end calls
for eSpace 8950.
Voicemail
eSpace 8950 allows users to set a voicemail, so that incoming calls can be transferred to the
voicemail when the users are unavailable. This service ensures that no calls are missed.
eSpace 8950 displays the number of unread messages in the voicemail.
Visual Voicemail
eSpace 8950 supports visual voicemail, which allows users to view related information when
retrieving a message. The information includes the sender, sending time, message size,
whether the message has been read, and the priority of the message.
When listening to a message, users can perform the following operations: pause, resume, fast
forward, rewind, forward, listen to the previous/next message, call back, and delete.
Corporate Directory
eSpace 8950 allows users to query enterprise employees' information, including the profile
picture, name, department, and phone number. eSpace 8950 displays the search result returned
from the server after users enter the search criteria on the corporate directory screen. Users
can perform further operations on the search result, for example, querying contact details
saving a contact to the local address book, or calling a contact.
Mobile Connect (Available Only in IMS+UC)
eSpace 8950 supports the mobile connect feature, which allows users to switch calls back and
forth between eSpace 8950 and any IP phone or mobile phone bound to it.
Name and Department Display
eSpace 8950 automatically queries the contact list or corporate directory during an incoming
or outgoing call, and displays the calling party's or called party's name and department.
Profile Picture Display
eSpace 8950 automatically queries the contact list or corporate directory during an incoming
or outgoing call, and displays the calling party's or called party's profile picture.
Status Display (Available Only in IMS+UC)
eSpace 8950 displays contact status in the corporate directory, call history, contact list, and
speed dial. Contact status includes online, busy, DND, away, and offline.
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eSpace 8950 allows users to publish their own status for their online friends to view in real
time.
Extension Mobility
Extension mobility allows a user to use his or her IP phone's extension number and password
to log in to any other IP phone. The user's configuration will be automatically downloaded to
the IP phone that the user logs in to. If the IP phone to which the user logs in is a different
model from the user's original phone, only the functions that the new login IP phone supports
take effect.
A user's configuration includes the services to which the user has subscribed, contacts, call
history, and preferences. Note that, to protect contact information security, the contacts
originally stored on the new login IP phone are cleared.
2.1.4 Conference Features
Instant Conference (Available Only in IMS+UC)
eSpace 8950 allows users to initiate instant multi-party voice conferences. The moderator
(initiator) can perform control operations, such as adding and deleting participants as well as
modifying participants' rights. During a conference, all participants can view basic
information, such as the participant list, number of participants, and conference time, but they
do not have control operation rights.
Group Conference (Available Only in IMS+UC)
eSpace 8950 allows users to initiate a voice conference from a contact group. The system then
sends a conference invitation to all group members. The moderator (initiator) can perform
control operations such as adding and deleting participants as well as forbidding a participant
to talk to other participants.
Scheduled Conference
eSpace 8950 can receive notifications for conferences scheduled on the conference system
portal. Users can join a conference directly from the conference notification without having to
enter the conference ID and password.
Video Conference (Available Only in IMS+UC)
eSpace 8950 allows conference participants to view each other's videos. They can enable and
disable their own video, view video in full-screen mode, close the video window, and drag the
video window to any place.
Conference Control
eSpace 8950 allows a conference moderator and participants to perform the following
conference control operations:

Moderator: add, delete, mute, and unmute participants, as well as modify participants'
rights

Participants: control their own microphones and cameras
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2.2 High-Fidelity Voice Quality
To ensure high voice quality, eSpace 8950 uses various digital signal processing (DSP)
techniques, including voice activity detection (VAD), automatic gain control (AGC), comfort
noise generation (CNG), and packet loss compensation (PLC). eSpace 8950 supports a variety
of international audio codec protocols, including G.722, G.711a, G.711μ, G.729AB, and iLBC.
eSpace 8950 also supports automatic protocol adaptation by choosing a suitable codec
protocol for the peer device.
As for the integral components of eSpace 8950, the speaker, handset, and headset all provide
high-fidelity voice quality.
2.3 Superb Network Adaptability
2.3.1 Multiple Methods for Obtaining IP Addresses
eSpace 8950 can be used in a variety of networking environments. A user can manually set a
static IP address or obtain a dynamic IP address through the Dynamic Host Configuration
Protocol (DHCP) or Point-to-Point Protocol over Ethernet (PPPoE).
2.3.2 QoS
eSpace 8950 supports Layer 2 (802.1Q or 802.1p) and Layer 3 (ToS or DSCP) configurations,
providing optimal voice quality over an IP network.
2.4 Multiple Auxiliary Ports
eSpace 8950 provides a variety of ports to connect to auxiliary devices.

One handset port (RJ-9)

One headset port (3.5 mm)

Two USB ports
USB ports support standard USB peripherals, including:

−
USB headsets
−
USB storage devices, from which ringtones, wallpapers, and contacts can be
imported
One USB camera port
The port only supports the USB camera delivered with eSpace 8950.

Bluetooth
The embedded Bluetooth module supports Bluetooth headsets.

Two 10/100/1000 Mbit/s network ports
The ports can directly connect eSpace 8950 to PCs without additional cables, which
reduces cabling costs.

One Micro SD card slot

One HDMI port
The port connects eSpace 8950 to another display device.
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2.5 Security
2.5.1 Transport Layer Security
eSpace 8950 supports encrypted transmission at the signaling and media layers.
Signaling encryption refers to SIP message transmission in calls and conferences over
Transport Layer Security (TLS) channels, to ensure secure SIP negotiation.
eSpace 8950 uses the Secure Real-time Transport Protocol (SRTP) for media encryption,
preventing eavesdropping, thereby meeting enterprise security requirements. SRTP uses the
AES-128 algorithm to ensure RTP payload confidentiality and uses the HMAC_SHA1
algorithm to ensure data integrity and protect data from malicious attacks.
2.5.2 Configuration File Encryption
To ensure security of key information (such as passwords) in the eSpace 8950 configuration
file, eSpace 8950 supports download of AES-128-encrypted configuration files from the
eSight network management system.
2.5.3 802.1x Authentication
802.1x is a port-based network access control protocol. It authenticates and controls devices
connected to the LAN. A device connected to an 802.1x-enabled switch port can access
resources in the LAN only after the device is authenticated.
eSpace 8950 supports 802.1x authentication that uses EAP-MD5 and EAP-TLS algorithms to
ensure security of an eSpace 8950 connected to the system.
2.5.4 802.1x Logoff-Proxy
This feature allows eSpace 8950 to invalidate access authentication for a PC if the PC goes
offline. eSpace 8950 automatically detects whether a device is connected to its PC port. With
802.1x authentication enabled, if eSpace 8950 detects that the device connected to its PC port
goes offline, it instructs the switch to invalidate the device access authentication. This helps
effectively prevent unauthorized network access.
2.6 Reliability
2.6.1 Multi-registration
eSpace 8950 supports simultaneous and sequential registration.

Sequential registration
eSpace 8950 initiates a registration request to the active, standby, and local servers in
sequence. At every registration update interval (1/2 registration period), eSpace 8950
tries to register with the highest priority server. If this server does not respond within a
specified period (3s by default, but configurable), eSpace 8950 tries the server with a
lower priority.

Simultaneous registration
eSpace 8950 registers with the active, standby, and local servers at the same time. When
eSpace 8950 initiates a call, the call is connected to the active server first. If the active
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server does not respond within a specified period (3s by default, but configurable), the
call is switched to the standby server. If the standby server also does not respond within
the specified period, the call is switched to the local server. Subsequent calls will be
initiated to the highest priority server until the registration period is updated.
2.6.2 eSight Redundancy
eSpace 8950 supports eSight redundancy. The eSight server domain name configured on the
DNS server is mapped to the IP addresses of both the active eSight and the standby eSight.
When eSpace 8950 receives the IP addresses resolved by the DNS server, eSpace 8950
initiates a connection request to the active eSight first. If the active eSight fails to respond,
eSpace 8950 connects to the standby eSight.
2.6.3 AA Server Redundancy (Available Only in IMS+UC)
eSpace 8950 supports Authentication Authorization (AA) server redundancy. During eSpace
8950 login authentication, if the active AA server fails, eSpace 8950 automatically switches to
the standby AA server to ensure services remain functional.
2.6.4 Corporate Directory Server Redundancy (Available Only in
IMS+UC)
eSpace 8950 supports corporate directory server redundancy. During a corporate directory
query, if the active corporate directory server fails, eSpace 8950 automatically switches to the
standby corporate directory server.
2.7 Openness
eSpace 8950 supports a variety of standard third-party applications to meet diverse user
requirements.
Users can install applications from a USB or SD card or install applications downloaded using
the built-in browser. Newly-installed applications can be deleted or upgraded.
2.8 Management Features
For convenient use and maintenance, eSpace 8950 allows users to quickly locate faults
through the advanced settings page, logs, and the eSight network management system.
2.8.1 TR069-based Management on eSight
eSpace 8950 supports remote management through eSight using the TR069 protocol. Users
can perform the following operations on eSight: restoring eSpace 8950 factory settings,
updating eSpace 8950 configuration, automatic deployment, restart, uploading configuration,
upgrade, and exporting log files.
2.8.2 DHCP-based Management
eSpace 8950 allows users to perform batch upgrades and configurations using DHCP
parameters.
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2.8.3 Log Export
eSpace 8950 logs key information, including registration success, registration failure, network
disconnection, and faults, so maintenance personnel can quickly locate and rectify faults as
soon as they occur. Users can export logs to a local computer through the web page or use
eSight to export logs to the eSight server.
2.9 Media Features
2.9.1 Three-Meter Audio Pickup
eSpace 8950 has a powerful hands-free microphone and audio processing algorithms that can
pick up audio from a distance of up to 3 meters during a hands-free call.
2.9.2 Audio VQE
Audio voice quality enhancement (VQE) encompasses three features: automatic gain control
(AGC), acoustic echo cancellation (AEC), and automatic noise restraint (ANR).
Audio VQE provides a series of audio algorithms designed to improve audio quality based on
the analysis of echo, noise, and effectiveness of signals for current audio.
2.9.3 Audio HAC
The eSpace 8950 headset is hearing aid-compatible (HAC) to prevent electromagnetic
interference from affecting users wearing hearing aids.
2.9.4 QoS Marking
With quality of service (QoS) marking enabled, NEs mark different types of packets to send
(for example, SIP signaling and RTP media) with different priorities. Switches and routers use
different queuing and forwarding policies to perform classification, traffic policing and
shaping for packets during packet transmission. Priority marking is usually implemented at
Layer 2 (data link layer) or Layer 3 (IP network layer).

The Layer 2 priority marking mechanism is usually 802.1p.

Layer 3 priority marking mechanisms include type of service (TOS) and Differentiated
Services Code Point (DSCP). DSCP is forward compatible with TOS.
2.9.5 Echo Cancellation
The echo cancellation feature is designed to conceal acoustic echoes that occur in the
microphone to minimize the effects of the local audio card shift.
2.9.6 Jitter Buffer
In voice over IP (VoIP), a jitter buffer is a shared data area where voice packets can be
collected, stored, and sent to the voice processor in evenly spaced intervals. Jitter is a
variation in packet arrival time, and can occur because of network congestion, timing drift, or
route changes. The jitter buffer, which is located at the receive end of the voice connection,
intentionally delays the arriving packets so that the end user experiences a clear connection
with minimal sound distortion.
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eSpace 8950 IP Phone
Product Description
2 Features and Functions
2.9.7 VAD and CNG
Voice activity detection (VAD) technology is used to save bandwidth resources during voice
calls.
If a decoder does not receive any audio packets after receiving a silence packet, the decoder
generates a comfort tone locally based on noise energy of the silence packet, so as to
minimize the impact of silence compression between speech and pause. Comfort noise
generation (CNG) provides a comfortable user experience during voice communications.
VAD and CNG are usually used together, and VAD is usually implemented through system
configurations.
2.9.8 Automatic Gain Control
Automatic gain control (AGC) keeps the voice level within a reasonable range.
2.9.9 Side Tone Cancellation
Side tone is generated by system noise, phone hardware circuit noise, and surrounding
environment noise. Side tone cancellation mitigates or even eliminates this noise while at the
same time ensuring a good user experience by inserting a comfort tone during voice
communications.
2.9.10 PIP
Picture in Picture (PIP) supports four video display modes: large local image and small
remote image, large remote image and small local image, local image only, and remote image
only. During a video call, users can switch the position of the local preview image and remote
image, or display the local or remote image only.
2.9.11 Video Dual-Display
Video dual-display enables eSpace 8950 to display video on another display connected to its
HDMI port, in addition to the LCD screen of eSpace 8950. This feature allows users to
display video on a large display.
2.9.12 Video Resolution
The administrator can set the maximum resolution supported by the system in accordance
with the network bandwidth.
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eSpace 8950 IP Phone
Product Description
3 Technical Specifications
Technical Specifications
Hardware Specifications
Table 3-1 lists the hardware specifications of eSpace 8950.
Table 3-1 Hardware specifications
Feature/Module
Specification
Screen
8-inch multi-touch capacitive touchscreen with a 1280 x 800
resolution
Camera
External USB camera, delivered with eSpace 8950, that supports up
to 1080p at 30-fps and is tilt-adjustable (+15 degrees to -25 degrees
relative to the screen)
LEDs
MWI, Mute, Speaker, Camera, and Lock LEDs
Handset
Corded handset (RJ-9)
Buttons

Fixed function buttons with LEDs: Speaker, Lock, Mute

Fixed function buttons without LEDs: Volume
Network ports
Two 10/100/1000 Mbit/s network ports
Wi-Fi
IEEE 802.11 a/b/g/n
Handset port
One RJ-9 port
Headset port
One 3.5 mm port
USB 2.0 ports
Two USB 2.0 ports that support various peripherals, such as USB
flash drives, headsets, keyboards, and mice
USB camera port
One USB camera port that supports only the USB camera delivered
with eSpace 8950
Bluetooth
Bluetooth 3.0 Bluetooth module that supports Bluetooth headset
PoE
Class 3
Power adapter
Input: 100 V to 240 V AC
Output: 12 V DC, 2 A
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eSpace 8950 IP Phone
Product Description
3 Technical Specifications
Feature/Module
Specification
Support for standards used in China, Europe, UK, USA, Australia,
Brazil and Saudi standards
Dimensions
260 mm (W) x 72mm (D) x 236 mm (H)
Operating
temperature
0ºC to 45ºC
Storage temperature
-25ºC to +70ºC
Operating humidity
10% to 95%
Storage humidity
10% to 95%
Typical power
consumption
(approx.\W)
12 W
Weight (approx.)
unpackaged:1.30kg
packaged:1.85kg
Certifications

EU: RoHS, WEEE, REACH, CE

Saudi Arabia: SASO

USA: NRTL (UL), FCC
Technical Specifications
Table 3-2 lists the technical specifications of eSpace 8950.
Table 3-2 Technical specifications
Category
Feature
Specification
Protocols
Network
protocols
TCP/IP, SIP, SDP, UDP, RTP, RTCP, DHCP, DNS, HTTP,
HTTPS, SNTP, XCAP, IPv4, IPv6(Static)
Phone
features
Audio codec
G.711a/G.711μ/G.729AB/G.722/ iLBC/Opus
Audio
features

Inband and RFC2833

Acoustic echo cancellation (AEC)

Automatic gain control (AGC)

Adaptive jitter buffer (AJB)

Automatic noise restraint (ANR)

Comfort noise generation (CNG)

Hearing aid compatibility (HAC)

Packet loss concealment (PLC)

Voice activity detection (VAD)

Side tone cancellation

Voice quality monitor (VQM)
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eSpace 8950 IP Phone
Product Description
Category
3 Technical Specifications
Feature
Specification

Video
features
Buzz cancelation
Video encoding and decoding format: H.264 MP/BP
Video bandwidth: 512 kbit/s to 2.5 Mbit/s
Video resolution:

QVGA (320 x 240 pixels)

CIF (352 x 288 pixels)

VGA (640 x 480 pixels)

4CIF (704 x 576 pixels)

720p (1280 x 720 pixels)

1080p (1920 x 1080 pixels)
HDMI resolution/frame rate: 1.4
Picture in picture (PIP), full-screen display of the remote
video, and local video preview
Call history
Contacts

Up to 100 records for placed, received, and missed calls
each

Missed call notification

Up to 1000 contacts

Contact import or export through the USB port or web
page

Contact file in .csv or .vcf format
Groups
A maximum of 32 groups, with a maximum of 400 members
in each group
Languages

Display: Arabic, Chinese (simplified and traditional),
English, French, German, Hungarian, Polish, Portuguese,
Russian, Spanish, and Turkish

Input: Arabic, Chinese (simplified and traditional),
English, French, Portuguese, and Spanish
Wallpaper
import
Format: .png, .bmp, or .jpg
Local
conference

Six-party voice conference

Operations including adding, muting, and removing
participants
Android system features
Android-bundled applications; customizable home screen
Service Support
Table 3-3 lists the services supported by eSpace 8950 in the UC2.2, and IMS+UC network
environments.
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eSpace 8950 IP Phone
Product Description
3 Technical Specifications
Meanings of letters Y, and N in Table 3-3:

Y: supported

N: not supported
Table 3-3 Service support
Service
UC2.2
IMS(10.1)+UC/
UC2.0C50
Call Waiting
Call Hold
Call Transfer
Call Forward
Call Divert
DND
Advanced Secretary Service
Call Park
Pickup
Group Pickup
BLF
Distinctive Ring
Auto Callback
Voicemail
Abbreviated Dial
Corporate Directory
Name and Department
Display
Profile Picture Display
Presence
Linkage
Call Recording
Contact Synchronization
Mobile Connect
Instant Conference
Group Conference
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eSpace 8950 IP Phone
Product Description
3 Technical Specifications
Service
UC2.2
IMS(10.1)+UC/
UC2.0C50
Extension Mobility
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19

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