SipNegotiatedCodec
The audio codec the SIP call actually negotiated (reported once it is known, and again if it changes). Distinct from the codec preference in the config: the answerer picks, so this is the ground truth.
Field |
Type |
Repeated |
Description |
name |
pjmedia encoding name, e.g. "PCMU", "PCMA", "GSM", "G722", "opus". |
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clock_rate |
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channels |
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dtmf_negotiated |
Whether RFC 2833 telephone-event (DTMF) was negotiated for sending. When false, the far end did not offer telephone-event and sendDtmf is a no-op (logged); a client should warn / disable DTMF rather than send. |