1. A Signaling Architecture for All IP Wireless Networks ITSUMO Group itsumo@research.telcordia.com An SAIC Company

2. allip_sig.ppt – 2 Objectives  Propose a signaling architecture for All IP wireless networks.  Describe an overall signaling architecture for interworking of All IP wireless networks with the existing mobile telephony and the PSTN.  Identify open issues for further study.

3. allip_sig.ppt – 3 Signaling Architecture of All IP Wireless Networks

4. allip_sig.ppt – 4 Merits of the SIP-based Signaling Architecture Pros & Cons

5. allip_sig.ppt – 5 Interworking with today’s Mobile Telephony & PSTN 1G/2G Access PSTN 1G/2G Access VLR HLR SS7 TCAP, ISUP A Interface 3G Access Call Agent MGCP WG2 TG Wireline IP backbone 3G Circuit Mode 3G Access WG3 3G Packet Mode WG3 3G Access Transport 1G/2G signaling All-IP signaling 3G Circuit & Packet 3G Packet only SIP SIP Server MAAAQ ALL IP Signaling & Control

6. allip_sig.ppt – 6 Merits of the Overall Signaling Architecture Pros & Cons

7. allip_sig.ppt – 7 Summary & Open Issues  Proposed –a SIP based signaling architecture for All IP wireless networks, and –an overall signaling architecture for interworking of All IP wireless networks and existing mobile telephony and PSTN.  Open issues for further study are: –MAAAQ entity, i.e.,  mobility management,  Authentication, authorization, and accounting (AAA), and  QoS management on top of SIP, and –an interworking module between the 2G wireless A interface and an SGCP/MGCP/MEGACO call agent.