1. Example of use of a color-coded blueprint to assign work to TSGs

2. Trunk Signaling Gateway Media Gateway Media Resource Function Roaming Signaling Gateway Session Control Manager Mobile IP Home Agent AAA 9 8 13 15 16 17 21 23 24 28 47 33 34 38 37 Media Gateway Control Function PSTN 26 20 30 22 39 Service Application 45 3 46 7 25 44 48 Position Server 12 MAP Border Router 46 29 40 27 18 Advertising Agent 25 Mobile Station IP Network 1 MM BTS 36 43 41 32 31 35 Network Capability Gateway 14 10 11 Legacy MS Domain Support Other Access Networks Databases EIR... Network Policy Rules DSI 19 42 The overall Architecture Model (excluding planar views) Subscription Profile TIA/EIA-41 GSM Position Determining Entity Subscription Quality of Service Manager Access Gateway cdma2000 Access Network FA/ Attendant BSC/RNC + PCF Core Quality of Service Manager

3. Trunk Signaling Gateway Media Gateway Media Resource Function Roaming Signaling Gateway Session Control Manager Mobile IP Home Agent AAA 9 8 13 15 16 17 21 23 24 28 47 33 34 38 37 Media Gateway Control Function PSTN 26 20 30 22 39 Service Application 45 3 46 7 25 44 48 Position Server 12 MAP Border Router 46 29 40 27 18 Advertising Agent 25 Mobile Station IP Network 1 MM BTS 36 43 41 32 31 35 Network Capability Gateway 14 10 11 Legacy MS Domain Support Other Access Networks Databases EIR... Network Policy Rules DSI 19 42 Work assigned to TSG-P on a primary basis Subscription Profile TIA/EIA-41 GSM Position Determining Entity Subscription Quality of Service Manager Access Gateway cdma2000 Access Network FA/ Attendant BSC/RNC + PCF Core Quality of Service Manager Peer MS aa IP MM Client in MS bb cc Home AAA Local AAA hh