turnport option can also be used if the TURN server is running on a non-standard port. If omitted, Asterisk uses the standard port number 3478.
Since ICE is enabled by default, configuration of the STUN server and optionally, the TURN server, is all that is required to get things running.
Successful configuration can be visually verified by turning SIP debugging on (
sip set debug on) in an Asterisk console and looking at INVITE messages as they go past. The body of a typical message would look something like this: