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Transparency_Profile_Note
Transparency_Profile_Note

This object defines

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Defines the audio transparency settings for the SBC. The SBC manages bandwidth for audio stream in the pass-through calls. Audio codecs that are unknown to the system are available to setup audio calls or streams.

The SBC Core supports audio transparency in relaying unknown attributes and a subset of known attributes, such as rtpmap, fmtp, and T38 fax. The SBC also manages bandwidth for audio streams in pass-through calls. Audio transparency is controlled by the following PSP and Trunk Group parameters/flags.

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See SBC SIP Transparency Implementation Guide for transparency implementation details.

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To View and Edit Audio Transparency

On the SBC main screen, go to All > Profiles > Media > Packet Service Profile >Audio Transparency.

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1Audio Transparency Parameters
ParameterLength/RangeDescription
Unknown Codec Packet Size5-100 ms

Specifies the Packet Size (in terms of milliseconds) required for Bandwidth computation of unknown audio codecs. Range 5 ms – 100 ms. Default value: 10 ms

Unknown Codec Bit Rate1-1000 KB/s

Specifies the Bit Rate (in terms of kbps) required for Bandwidth computation of unknown audio codecs. Range: 1 KB/s – 1000 KB/s Default value: 124 KB/s