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This best practice provides guidance on configuring AMR/AMR-WB options from EMA in support of a Multimedia Telephony Service for IMS (MTSI) service as described on the page AMR and RTCP Enhancements.
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This configuration is performed either on |
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the PSX or |
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the SBC ERE |
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platform and using either the SBC EMA or SBC CLI. |
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The AMR/AMR-WB license must be installed before configuring AMR/AMR-WB codec entry. To check the license information, execute the following command:
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% set profiles media codecEntry AMRWB-DEFAULT |
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% set profiles media codecEntry AMRWB-DEFAULT codec amrBandwidthEfficient activeCodecSet AMR-0-4.75kbps |
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% set profiles media codecEntry AMRWB-DEFAULT codec amrOctetAligned activeCodecSet AMR-0-4.75kbps |
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% set profiles media codecEntry AMRWB-DEFAULT codec amrwbBandwidthEfficient modeSet AMR-1-8.85 |
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% set profiles media codecEntry AMR-WB codec amrwbOctetAligned modeSet AMR-0-6.6 |
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On the SBC EMA main screen, navigate to Configuration > System Provisioning > Category: Call Routing >
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PSX. The PSX manager window is displayed.
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In the PSX Manager window, choose Codec Entry from the fourth drop-down box.
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To create AMR-WB codec, right click on the Selection Area.
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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.
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To configure AMR WB-Octet Aligned codec, select G.722.2 (AMRWB-Octet Aligned) from the Audio Encoding drop-down list.
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Once the Audio Encoding is selected, the AMR-WB Options are visible.
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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.
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To run the calls in an unrestricted AMR-WB Mode set, select all the mode sets.
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Click Save.
On the SBC EMA main screen, navigate to Configuration > System Provisioning > Category: Call Routing >
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PSX. The PSX manager window is displayed.
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In the PSX Manager window, choose Codec Entry from the fourth drop-down box.
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To create AMR codec, right click on the Selection Area.
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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.
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To configure AMR Octet Aligned codec, select AMR Octet Aligned) from the Audio Encoding drop-down list.
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Once the Audio Encoding is selected, the AMR Options are visible
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The following parameters are displayed:
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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.
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To run the calls in an unrestricted AMR Mode set, select all the mode sets.
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