attach_call
POST /v1/sessions/{session_id}/voice/{voice_connection_id}/attach
POST
/v1/sessions/{session_id}/voice/{voice_connection_id}/attach
Parameters
Section titled “ Parameters ”Path Parameters
Section titled “Path Parameters ” session_id
required
string
voice_connection_id
required
string
Request Body required
Section titled “Request Body required ”object
instructions
string | null
model
string | null
reasoning_effort
string | null
voice
string | null
provider_call_id
required
string
Responses
Section titled “ Responses ”Realtime sideband attached
object
expires_at
required
string format: date-time
model
required
string
provider
required
string
provider_call_id
required
string
reasoning_effort
required
string
voice
required
string
voice_connection_id
required
string