lundi 15 septembre 2008

3GPP P-Headers

The Third Generation Partnership Project (3GPP) has defined some additional SIP P-headers ('P' stands for private or proprietary) to use in IMS (Release 5 requirements on SIP) context.

These headers are:

  1. The P-Associated-URI header
  2. The P-Called-Party-ID header
  3. The P-Visited-Network-ID header
  4. The P-Access-Network-Info header
  5. The P-Charging-Function-Addresses header
  6. The P-Charging-Vector header
In next posts I will explain how these headers are used in both UAC and UAS side.

For more information visit

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