0x5F H.323 Alphanumeric Input Received

An alphanumeric digit received from IP side of the call.

Used in:
PPL Event Indication message

ICB Type | 0x02 (Data)
ICB ID | 0x5F
Data Length | 0x04
Data[0-1] | Digits
Data[1-2] | 0x0000 (no duration)

Internet Protocol. Part of the TCP/IP family of protocols used to route messages and tracks the addresses of nodes.
See Programmable Protocol Language.
See Information Control Block.