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v47

latestOpenAPI 3.1.0raw.githubusercontent.com2026-06-181,0851,7264.5 MB
UAC Connections

SIP Registration Status

Returns the live SIP registration state of a UAC connection: whether it is currently registered, when it last registered, and the last response Telnyx received from the registrar. Only uac_external_credential is supported today.

get/sip_registration_status

Query parameters

credential_type'uac_external_credential' required

The kind of credential to look up. Only uac_external_credential is supported today.

connection_idstring required

Identifier of the UAC connection to look up.

Response

Registration status payload

connection_idstring

Identifier of the UAC connection.

connection_namestring

Human-readable connection name.

credential_type'uac_external_credential'

The credential type that was looked up.

credential_usernamestring

SIP username used for the registration.

registeredboolean

True if the endpoint is currently registered.

sip_registration_status'unregistering' | 'connection_disabled' | 'standby' | 'failed' | 'trying' | 'registered' | 'unknown'

Human-readable registration status derived from the registrar state.

last_registration_responsestring

SIP response from the last registration attempt.

Example response

{
  "last_registration_response": "200 OK"
}