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Note

This configuration is performed either on ePSX/PSX or on SBC ERE. Make sure you have the correct version of ePSX installed on SBC. This configuration can be performed both through SBC EMA and SBC CLI. For additional ePSX configuration details via EMA, see Call Routing: System Provisioning - ePSX.

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Note

The license must be configured before configuring AMR/AMR-WB codec entry.

To check the license information, execute the following command:

Code Block
> show table system licenseInfo

SBC ERE Configuration

Creating Codec Entry

Code Block
% set profiles media codecEntry AMRWB-DEFAULT

Include Page
initialCodecMode_limitation
initialCodecMode_limitation

Configuring AMR Codec Entry

Code Block
% set profiles media codecEntry G711AMRWB-DEFAULT codec amrBandwidthEfficient initialCodecMode enable 
 
activeCodecSet AMR-0-4.75kbps
Code Block
% set profiles media codecEntry G711AMRWB-DEFAULT codec amrwbOctetAlignedamrOctetAligned initialCodecMode enable 
 
activeCodecSet AMR-0-4.75kbps

Configuring AMR-WB Codec Entry

Code Block
% set profiles media codecEntry G711AMRWB-DEFAULT codec amrOctetAlignedamrwbBandwidthEfficient modeSet AMR-1-8.85
Code Block
initialCodecMode enable
 
% set profiles media codecEntry G711AMR-DEFAULTWB codec amrwbBandwidthEfficientamrwbOctetAligned initialCodecMode enable

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modeSet AMR-0-6.6

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PSX/ePSX Configuration (from EMA)

AMR-WB Configuration

  1. On the SBC EMA main screen, navigate to Configuration > System Provisioning > Category: Call Routing > E PSX. The PSX manager window is displayed.

    Caption
    0Figure
    1PSX Main Window

  2. In the PSX Manager window, choose Codec Entry from the fourth drop-down box.

    Caption
    0Figure
    1AMR-WB Codec Entry

    Image Removed

    Image Added

  3. To create AMR-WB codec, right click on the Selection Area.

    Include Page
    initialCodecMode_limitation
    initialCodecMode_limitation
    Caption
    0Figure
    1Selection Area

    Image Added


    A pop-up menu appears. Select New from the pop-up menu.

  4. The Codec Entry window appears. Provide the Codec Entry name.

    To configure AMR WB-Bandwidth Efficient codec, select G.722.2 (AMRWB-Bandwidth Efficient) from the Audio Encoding drop-down list.

    Caption
    0Figure
    1AMR WB-Bandwidth Efficient Codec

    Image Added

    or

  5. To configure AMR WB-Octet Aligned codec, select G.722.2 (AMRWB-Octet Aligned) from the Audio Encoding drop-down listChoose the appropriate Codec Entry list item from the list which has the AMR/AMR-WB Options.

    Caption
    0Figure
    1AMR WB-

    WB

    Octet Aligned Codec

    Item

    Image Modified

  6. Once the Codec Entry list item Audio Encoding is selected, the AMR-WB Options are visible.

    Caption
    0Figure
    1

    AMR-WB Codec optionsImage Removed

    AMRWB Options

    Image Added

    The following parameters are displayed:

    Caption
    0Table
    1AMR/AMR-WB Codec Options parameters
    ParameterLength/RangeDefaultDescription
    Mode Change NeighborNANA

    This flag restricts the mode change of an AMR/ AMR-WB to the neighboring modes in the Active Codec Mode set. Neighboring modes are the ones closest in bit rate to the current mode, either the next higher or next lower rate.

    If checked, the Egress offer/Ingress answer from SBC sets the Mode-Change-Neighbor value to 1.

    If unchecked, change between any two modes in the Active Codec Mode set is allowed.

    Initial Codec Mode as per 3GPP 26.114NANA

    This flag determines what is the initial codec mode of AMR/ AMR-WB transcoded call, once the call is established.

    If unchecked, AMR/AMR-WB call starts with the highest rate in the active mode set. If checked, AMR/ AMR-WB call starts with a rate determined by the following algorithm:

    If 1 codec mode is included in the mode-set, it should be the initial codec mode.

    If 2 or 3 codec modes are included in the mode-set, the initial codec mode should be the codec mode with the lowest rate.

    If 4 or more codec modes are included in the mode-set, the initial codec mode should be the codec mode with the second lowest rate.

  7. By default, all the options of AMR-WB Mode Set are checked. To run the calls in a restricted AMR-WB Mode set, uncheck the modes that are not required in the Active Mode Set.

    Caption
    0Figure
    1AMR-WB Codec Options for Restricted Mode Set

    Image RemovedImage Added

  8. To  To run the calls in an unrestricted AMR-WB Mode set, select all the mode sets.

    Caption
    0Figure
    1AMR-WB Codec Options for Unrestricted Mode Set

    Image Added

  9. Click Save.

AMR Configuration

  1. On the SBC EMA main screen, navigate to Configuration > System Provisioning > Category: Call Routing > E PSX. The PSX manager window is displayed.

    Caption
    0Figure
    1PSX Main Window

    Image Added

  2. In the PSX Manager window, choose Codec Entry from the fourth drop-down box.

    Caption
    0Figure
    1AMR-WB Codec Entry

    Image Added

  3. To create AMR codec, right click on the Selection Area.

    Include Page
    initialCodecMode_limitation
    initialCodecMode_limitation
    Caption
    0Figure
    1Selection Area

    Image Added

    A pop-up menu appears. Select New from the pop-up menu.

  4. The Codec Entry window appears. Provide the Codec Entry name.

    To configure AMR Bandwidth Efficient codec, select AMR Bandwidth Efficient from the Audio Encoding drop-down list.

    Caption
    0Figure
    1AMR Bandwidth Efficient Codec

     Image Added

    or

  5. To configure AMR Octet Aligned codec, select AMR Octet Aligned) from the Audio Encoding drop-down list.

     

    Caption
    0Figure
    1AMR Octet Aligned Codec

    Image Added

  6. Once the Audio Encoding is selected, the AMR Options are visible

    Caption
    0Figure
    1AMR Codec Options

    Image Added

     

    The following parameters are displayed:

    Caption
    0Table
    1AMR Codec Options parameters
    ParameterLength/RangeDefaultDescription
    Mode Change NeighborNANA

    This flag restricts the mode change of an AMR to the neighboring modes in the Active Codec Mode set. Neighboring modes are the ones closest in bit rate to the current mode, either the next higher or next lower rate.

    If checked, the Egress offer/Ingress answer from SBC sets the Mode-Change-Neighbor value to 1.

    If unchecked, change between any two modes in the Active Codec Mode set is allowed.

    Initial Codec Mode as per 3GPP 26.114NANA

    This flag determines what is the initial codec mode of AMR transcoded call, once the call is established.

    If unchecked, AMR call starts with the highest rate in the active mode set. If checked, AMR call starts with a rate determined by the following algorithm:

    If 1 codec mode is included in the mode-set, it should be the initial codec mode.

    If 2 or 3 codec modes are included in the mode-set, the initial codec mode should be the codec mode with the lowest rate.

    If 4 or more codec modes are included in the mode-set, the initial codec mode should be the codec mode with the second lowest rate.

  7. By default, all the options of AMR Mode Set are checked. To run the calls in a restricted AMR Mode set, uncheck the modes that are not required in the Active Mode Set.

    Caption
    0Figure
    1AMR Codec Options for Restricted Mode Set

    Image Added

  8. To run the calls in an unrestricted AMR Mode set, select all the mode sets.

    Caption
    0Figure
    1AMR Codec Options for Unrestricted Mode Set

    Image Modified

  9. Click Save to save the configuration.

 

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