1. Lucent Technologies Bell Labs Innovations Slide 1 3GPP2: March 23-24, 2000, Kyoto, Japan SC-ALLIP-20000324-010 cdma2000 3GPP2 Phased Network Reference Model Chung Liu +1 630-713-4770 czliu@lucent.com Mike Dolan +1 630-979-1033 mfdolan@lucent.com Tom Hiller +1 630-979-7673 tomhiller@lucent.com (Refer to other contribution for detail assumption and description of network reference model with functional and interface description)

2. Lucent Technologies Bell Labs Innovations Slide 2 3GPP2: March 23-24, 2000, Kyoto, Japan SC-ALLIP-20000324-010 Notice The information contained in this contribution is provided for the sole purpose of promoting discussion within the 3GPP2 and its Organization Partners and is not binding on the contributor. The contributor reserves the right to add to, amend, or withdraw the statements contained herein. The contributor grants a free, irrevocable license to 3GPP2 and its Organization Partners to incorporate text or other copyrightable material contained in the contribution and any modifications thereof in the creation of 3GPP2 publications; to copyright and sell in Organizational Partner’s name any Organizational Partner’s standards publication even though it may include portions of the contribution; and at the Organization Partner’s sole discretion to permit others to reproduce in whole or in part such contributions or the resulting Organizational Partner’s standards publication. The contributor may hold one or more patents or copyrights that cover information contained in this contribution. A license will be made available to applicants under reasonable terms and conditions that are demonstrably free of any unfair discrimination.

3. Lucent Technologies Bell Labs Innovations Slide 3 3GPP2: March 23-24, 2000, Kyoto, Japan SC-ALLIP-20000324-010 Access Gateway for Multiple Access Technologies Packet Core Network (e.g. IP) Radio Access Network Wireless Access Gateway PSTN/ Legacy/External Line Access Gateway Trunk Access Gateway POTS Phone Circuit Based Mobile Circuit Based Mobile Radio Access Network Mobile Switching Center Trunk Access Gateway Radio Access Network Packet Data Network Packet Data Mobile with Multimedia Application IP PSTN ATM/IP IP Phase 1* Phase 2* Phase 3 *: TSG-P packet data network architecture is used in phase 1 & 2 (not shown).

4. Lucent Technologies Bell Labs Innovations Slide 4 3GPP2: March 23-24, 2000, Kyoto, Japan SC-ALLIP-20000324-010 cdma2000 Phase 1 Reference Model PSTN/ Legacy/External R TEMT Um BTS SDU A1 BSC RAN Signalling and Data Transfer Interface Signalling Interface Visited MSC Home MSC MGW MGCF Nc (ISUP+ or BICC) Nb (AAL2 or RTP/UDP/IP) ANSI41 T-SGW HLRCSCF Home/Gateway Network Visited Network ANSI41 TAG Packet Core Network MGW MGCF CSCF T-SGW A1ISUP PCM ISUP PCM M-IP PDSN M-IP HA PCF A8 & A9 A10 & A11 A2

5. Lucent Technologies Bell Labs Innovations Slide 5 3GPP2: March 23-24, 2000, Kyoto, Japan SC-ALLIP-20000324-010 cdma2000 Phase 2 Reference Model PSTN/ Legacy/External R TEMT Um A1 Signalling and Data Transfer Interface Signalling Interface MGW Visited MSC Server Home MSC MGW MGCF Nc (ISUP+ or BICC) Nb (AAL2 or RTP/UDP/IP) ANSI41 T-SGW HLRCSCF A2 Home/Gateway Network Visited Network ANSI41 WAG TAG Packet Core Network BTS SDU BSC RAN M-IP PDSN M-IP HA PCF A8 & A9 A10 & A11 ISUP PCM

6. Lucent Technologies Bell Labs Innovations Slide 6 3GPP2: March 23-24, 2000, Kyoto, Japan SC-ALLIP-20000324-010 Gi Ms MGW MGCF R-SGW MRF Multimedia IP Networks PSTN/ Legacy/External Applications & Services Mm Mw Legacy mobile signaling Network Mc Mh CSCF Mg T-SGW SCP R TEMT M-IP PDSNM-IP HA Pi Mr cdma2000 Phase 3 All IP Reference Model Um BTS PCF A10 & A11 SDU WMS A1 BSC A8 & A9 BS C RAN HSS UMSAAA HLR Signalling and Data Transfer Interface Signalling Interface Gi Cx Gi Gi** Gi Gi** Gi**: Only required for VoIP support over Simple IP TAG