SIP and the application of SIP as used in 3GPP

9/13/01


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Table of Contents

SIP and the application of SIP as used in 3GPP

Overview of the 3GPP IM CN subsystem architecture

Overall 3GPP architecture

GPRS - user plane versus transport plane

GPRS - Transport of user IP packets in UMTS

3GPP requires multiple outbound proxies

Example allocation of functional entities - mobile to mobile

Example allocation of functional entities - PSTN to mobile

Example allocation of functional entities - mobile to PSTN

Provision of services

Summary of architecture

Key 3GPP documents and their location on 3GPP servers

Issues for SIP

Multiple outbound proxies - path

Compression

Other issues still in discussion at requirements level

Questions

Author: drage