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The SBC Core supports pass-through of the text media streams based on the T.140 codec. The
t140Call flag is added to the Packet Service Profile to support T.140 calls.
The SBC supports:
sendUpdatedSdpIn200Okin the ingress IP attributes).
The following session modifications are supported for the T.140 sessions:
The SBC does not validate, prioritize, or purge any codec or attributes received for the text media. Any validation required is performed by the endpoints.
The SBC Core relays text codec by default using dynamic payloads.
The SBC supports the following codec for text call scenarios (that is, Text - Text calls with an audio and video stream).
|Codec Variant||Payload Type|