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PCE
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DIFF Subgroup
H04L 65/1101

Session protocols

Introduced: January 2022

Full Title

Full titles differ between systems:

IPC:

Network arrangements, protocols or services for supporting real-time applications in data packet communication > Session management > Session protocols

CPC:

Network arrangements, protocols or services for supporting real-time applications in data packet communication (real-time or near real-time messaging, e.g. instant messaging [IM] H04L51/04; selective video distribution H04N21/00) > Session management > Session protocols

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

IPC defines codes here since 2022.

Child Classifications

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  • H04L 65/1104 Session initiation protocol [SIP] since 2022 IPC+CPC Available in IPC and CPC
  • H04L 65/1106 Call signalling protocols; H.323 and related since 2022 IPC+CPC Available in IPC and CPC
  • H04L 65/1108 Web based protocols, e.g. webRTC since 2022 IPC+CPC Available in IPC and CPC