session.updated

voice → application

Report a change to negotiated session state such as the selected codec.

Data

Field	Type	Presence	Constraints	Description
`audio_codec`	`AudioCodec`	nullable	—	Current codec; the field is present and may be `null`.

Field	Type	Presence	Constraints	Description
`id`	`string`	required	—	Codec identifier such as `L16/8000/1`.
`name`	`string`	required	—	Codec name such as `L16`.
`sample_rate`	`integer`	required	—	Sample rate in hertz.
`bit_depth`	`integer`	required	—	Number of bits per sample.
`channels`	`integer`	required	—	Number of audio channels.

{
  "audio_codec": {
    "id": "L16/8000/1",
    "name": "L16",
    "sample_rate": 8000,
    "bit_depth": 16,
    "channels": 1
  }
}