Gets details for the specified registration
API key
The SIP username to register as.
60The SIP server to register with.
100Whether the registration was successfully created and is now active. May be null if status is not available yet.
A proxy used to reach your SIP server for registration. Most often unset, but may be used if you need to register as alice@trunk.com using proxy.trunk.com for example.
100The authentication username, if different from the SIP username. Most often unset.
60