The callback interface of the transport module contains several functions. Some of which are mandatory while others are only optional:
send_message
- Send a message. Mandatoryblock
- Block the transport. Optionalunblock
- Unblock the transport. OptionalFor more detail, see the megaco_transport behaviour definition.
The Megaco/H.248 application contains implementations for the two protocols specified by the Megaco/H.248 standard; UDP, see megaco_udp, and TCP/TPKT, see megaco_tcp.