The following table lists all the sub-fields in the H.323 Signaling specific data field.
Sub-fields in H.323 Signaling Specific Data Fields
Sub-Field | Description |
---|
Sub-Field 1 | Protocol Variant (always H323) |
Sub-Field 2 | H.323 Call Identifier. A 16 byte hexadecimal number that identifies the H.323 call globally and uniquely. |
Sub-Field 3 | H.323 Conference Identifier. A 16 byte hexadecimal number that is used to associate H.323 calls in the same conference. |
Sub-Field 4 | H.323 Call Reference Value (CRV). A 2 byte hexadecimal number that identifies the call request of an H.323 call leg. This has no end-to-end or global significance. |
The H.323 Protocol string is always 77 characters, including both double quotes.
For example, when the H.323 Call Identifier is:
0x000102030405060708090A0B0C0D0E0F
...and the H.323 Conference Identifier is:
0x00112233445566778899AABBCCDDEEFF
...and the H.323 Call Reference Value (CRV) is:
0x0018
...the Protocol string is:
"H323,000102030405060708090A0B0C0D0E0F,00112233445566778899AABBCCDDEEFF,0018"