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eSpace 8950 IP Phone V200R003C00 Administrator Guide

Provides information about deployment, operate and maintain the Video Phone.
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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Media

Media

This section describes how to set protocol parameters used for calls and conferences.

  1. Access the phone web page as an administrator. For details, see Web Page Access.
  2. Choose Advanced > Media.
  3. Set parameters (see Table 6-13 for detailed parameter descriptions).

    Table 6-13  Parameter description

    Parameter

    Description

    How to Set

    How to Modify the Configuration File

    DTMF Transmission Mode

    Specifies the Dual Tone Multiple Frequency (DTMF) transmission mode. Two options are available:

    • INBAND: In this mode, DTMF signals are transmitted in audio signals. This mode is not reliable for codecs at low bit rates.
    • RFC2833: In RFC2833 mode (out-of-band mode), DTMF signals are transmitted using RTP. TeleponeEvent, a special rtpPayloadType, is used to specify the RFC2833 data packet.

    Set this parameter based on your network environment.

    Default: RFC2833

    Parameter: DTMFTransferMode

    Location: Device > ComCfg > Media

    Value: 0 or 1
    • 0: inband
    • 1: RFC2833

    Example: DTMFTransferMode="1"

    DTMF Payload

    Indicates the payload of an RFC2833 packet for DTMF transmission.

    Value range: 96-126

    Default: 101

    Parameter: DTMFEfectLoadvalue

    Location: Device > ComCfg > Media

    Example: DTMFEfectLoadvalue="101"

    iLBC Mode

    Indicates the Internet Low Bitrate Codec (iLBC) mode. Two options are available:
    • iLBC30: 13.3 kbit/s for 30 ms frames
    • iLBC20: 15.2 kbit/s for 20 ms frames

    Set this parameter based on your network environment.

    Default: iLBC30

    Parameter: ILBCMode

    Location: Device > ComCfg > Media

    Value: 20 or 30
    • 20: iLBC20
    • 30: iLBC30

    Example: ILBCMode="30"

    iLBC Payload

    Indicates the payload for the iLBC codec.

    Value range: 96-126

    Default: 97

    Parameter: ILBCEfectLoadvalue

    Location: Device > ComCfg > Media

    Example: ILBCEfectLoadvalue="97"

    H.264 Payload

    Indicates the payload for the H.264 codec.

    Value range: 96-126

    Default: 106

    Parameter: H264PayloadType

    Location: Device > ComCfg > Media

    Example: H264PayloadType="106"

    Opus Payload

    Indicates the payload for the Opus codec.

    Value range: 96-126

    Default: 112

    Parameter: OpusPayloadType

    Location: Device > ComCfg > Media

    Example: OpusPayloadType="112"

    Opus Sample Rate

    Indicates the sample Rate for the Opus codec.

    Value range: 16KHZ, 24KHZ, 48KHZ

    Default: 48KHZ

    Parameter: OpusSample

    Location: Device > ComCfg > Media

    Example: OpusSample="2"

    Ptime

    Indicates the packetization duration of the voice codec.

    Set this parameter based on your network environment.

    Default: 20ms

    Parameter: Ptime

    Location: Device > ComCfg > Media

    Example: Ptime="20"

    Net-ATE

    NOTE:
    The Net-ATE function is available from V200R003C00SPC800.

    Indicates whether to enable the function of using redundancy transmission to adjust the packetization duration or transmission rate of voice media streams to reduce the packet loss rate and improve the VoIP quality according to the varied network conditions.

    Set this parameter based on your network environment.

    Default: Enable

    Parameter: NetATE

    Location: Device > ComCfg > Media

    Value: 0 or 1
    • 0: disable
    • 1: enable

    Default: 1

    Example: NetATE="1"

    Encrypted Outgoing Calls Carry MKI

    After this option is enabled in the SRTP-enabled environment, the IP phone carries the MKI parameter for outgoing calls.

    Set this parameter based on your network environment.

    Default: Enable

    Parameter: EncryptCalloutUseMKI

    Location: Device > ComCfg > Media

    Value: 0 or 1
    • 0: disable
    • 1: enable

    Default: 1

    Example: EncryptCalloutUseMKI="1"

    Noise Suppression

    Indicates whether to enable noise suppression. After noise suppression is enabled, the IP phone suppresses noise in the collected audio.
    NOTICE:
    A greater noise suppression effect results in lower voice quality.

    Set this parameter based on your network environment.

    Default: Enable

    Parameter: NoiseRestrain

    Location: Device > ComCfg > Media > SwitchInfo

    Value: 0 or 1
    • 0: disable
    • 1: enable

    Default: 1

    Example: NoiseRestrain="1"

    Echo Cancellation

    Indicates whether to enable echo cancellation. After echo cancellation is enabled, the IP phone conceals the acoustic echoes that occur in the microphone to minimize the effects of the local audio card shift.

    Set this parameter based on your network environment.

    Default: Enable

    Parameter: EchoCancellation

    Location: Device > ComCfg > Media > SwitchInfo

    Value: 0 or 1
    • 0: disable
    • 1: enable

    Default: 1

    Example: EchoCancellation="1"

    Voice Activity Detection

    Indicates whether to enable Voice Activity Detection (VAD). VAD helps conserve bandwidth resources during audio calls.

    Set this parameter based on your network environment.

    Default: Disable

    Parameter: SilenceDetection

    Location: Device > ComCfg > Media > SwitchInfo

    Value: 0 or 1
    • 0: disable
    • 1: enable

    Default: 0

    Example: SilenceDetection="0"

    Automatic Gain Control

    Indicates whether to enable Automatic Gain Control (AGC).
    • With AGC enabled, the IP phone automatically adjusts the volume and level to deliver optimal audio experience.
    • The database engine provides interfaces for enabling or disabling AGC and for querying the AGC status.
    • The phone uses digital AGC (adjusting the PCM waveform again) to achieve automatic gain control.

    Set this parameter based on your network environment.

    Default: Disable

    Parameter: AutomaticGain

    Location: Device > ComCfg > Media > SwitchInfo

    Value: 0 or 1
    • 0: disable
    • 1: enable

    Default: 0

    Example: AutomaticGain="0"

    Suppression Upon Call Answering

    Processing time of noise suppression and echo cancellation when the called IP phone answers the call.

    Value: 0–600

    Unit: ms

    Default value: 500

    Parameter: AnswerLimit

    Location: Device > ComCfg > Media > SwitchInfo

    Default: 500

    Example: AnswerLimit="500"

    Audio RTP Port

    Defines the applicability for the audio transmission by the IP phone. The video phone randomly uses a port within the configured applicability for sending and receiving Real-time Transport Protocol (RTP) packets.

    Value range: 1026-65535

    Default value for Min. RTP Port: 10000

    Default value for Max. RTP Port: 10100

    Parameters: LOCALPORTMIN and LOCALPORTMAX

    Location: Device > ComCfg > Media > Rtp

    Setting:
    • Set LOCALPORTMIN to the minimum RTP port number.
    • Set LOCALPORTMAX to the maximum RTP port number.

    Example: LOCALPORTMIN="10000" and LOCALPORTMAX="10100"

    Video RTP Port

    Defines the applicability for the video transmission by the IP phone. The video phone randomly uses a port within the configured applicability for sending and receiving Real-time Transport Protocol (RTP) packets.

    Value range: 1026-65535

    Default value for Min. RTP Port: 10000

    Default value for Max. RTP Port: 10100

    Parameters: LOCALPORTMIN and LOCALPORTMAX

    Location: Device > ComCfg > Media > Rtp

    Setting:
    • Set LOCALPORTMIN to the minimum RTP port number.
    • Set LOCALPORTMAX to the maximum RTP port number.

    Example: LOCALPORTMIN="10000" and LOCALPORTMAX="10100"

    HD Collection

    Indicates whether to enable the HD collection function. If the HD collection function is enabled, the IP phone will collect 1080p video data, meaning better video image; if the HD collection function is disabled, the IP phone will collect 720p video data.

    Set this parameter based on your network environment.

    NOTE:
    You can set HD Collection only after Opus Payload is set to 16KHz.

    -

    Encoding Resolution

    A higher encoding resolution means better image quality but consumes more network transmission bandwidth.

    Set this parameter based on your network environment.

    -

    Maximum Decoding Bit Rate

    A higher decoding bit rate means faster video transmission but consumes more network transmission bandwidth.

    Set this parameter based on your network environment.

    -

    SEC

    Indicates whether to enable the Super Error Concealment (SEC) function. After the SEC function is enabled, lost packets will be retransmitted during video data transmission.

    Set this parameter based on your network environment.

    -

    Audio and Video Synchronization Delay

    Enables you to set a delay for audio and video synchronization.

    Set this parameter based on your network environment.

    -

    High Definition

    Indicates the definition when video is displayed in full screen mode.

    Set this parameter based on your network environment.

    -

    Low Definition

    Indicates the definition when video is displayed in non-full screen mode.

    Set this parameter based on your network environment.

    -

    Camera White Balance Parameter

    Used for color correction when the overall mixture of colors in an image is greatly different from that of the actual object.

    Set this parameter based on your onsite environment.

    Value range: 0-100

    Default value of the low color temperature: 25

    Default value of the high color temperature: 100

    Parameter: AutoWhiteBalance

    Location: Device > ComCfg

    Example:

    LowColorTemperature="25"

    HighColorTemperature="100"

    Voice Codec Priority

    Indicates the voice codec. The IP phone supports the following voice codecs: G.711a, G.711μ, G.729AB, G.722, iLBC, Opus.

    Select the voice codecs that you want to use, and in the Rearrange column, click the Up or Down arrow button to adjust the codec priority.

    Parameters: AudioCapEnable and AudioCap

    Location: Device > ComCfg > Media

    Setting:
    • AudioCapEnable indicates the voice codec switch. To enable a codec, set this parameter to 1. To disable a codec, set this parameter to 0.
    • AudioCap indicates the voice codec priority.

      The value ranges from 1 to 65535. A larger value indicates a lower priority.

    Example: G711AENABLE="1" and G711APRIORITY="1" (indicating that G.711a is enabled and its priority is highest)

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Updated: 2018-09-12

Document ID: EDOC1000067158

Views: 52238

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