0x011B Reliable Provisional Response Mode

Used in:
VoIP Protocol Configure message

Byte | Description
0, 1 | Tag 0x011B
2,3 | Length 0x0001
4 | Value[0-3] 0 - Disabled (default) 1 - Support 2 - Require

Voice over Internet Protocol. The delivery of voice information in digital form in discrete packets rather than in the traditional circuit-committed protocols of the public-switched telephone network (PSTN).