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资源说明：Table of Contents 1 INTRODUCTION ......................................................................................4 1.1 Overview .............................................................................................4 1.2 Roaming .............................................................................................5 1.3 Legacy ................................................................................................5 1.4 Terms ..................................................................................................5 1.5 References..........................................................................................6 2 Overall IMS NNI Architecture .................................................................7 3 Capability Discovery ...............................................................................8 3.1 SIP OPTIONS Based ..........................................................................8 3.2 Presence Based ..................................................................................8 3.3 Interworking between Capability Discovery ........................................9 3.3.1 Interworking: Incoming SIP OPTIONS .............................................. 11 3.3.2 Interworking: Incoming SIP SUBSCRIBE ......................................... 11 3.3.3 IWF Policy Considerations ................................................................ 12 4 IP Interconnection ................................................................................. 13 4.1 Overview ........................................................................................... 13 4.2 IPX .................................................................................................... 13 5 Presence ................................................................................................ 14 5.1 Overview ........................................................................................... 14 6 Messaging & File Transfer ................................................................... 15 6.1 OMA IM NNI...................................................................................... 15 6.1.1 OMA IM to OMA IM NNI ................................................................... 15 6.1.2 OMA IM to Legacy ............................................................................ 16 6.2 OMA CPM NNI .................................................................................. 16 6.2.1 OMA CPM to OMA CPM NNI ............................................................ 16 6.2.2 OMA CPM to Legacy ........................................................................ 17 6.3 OMA IM - OMA CPM Interworking .................................................... 17 6.3.1 SIP Header and SDP Mapping ......................................................... 17 6.3.2 Standalone Messaging ..................................................................... 20 6.3.3 1-to-1 Chat ........................................................................................ 20 6.3.4 Group Chat ....................................................................................... 23 6.3.5 File Transfer ...................................................................................... 23 7 Content Sharing .................................................................................... 24 7.1 Image Share ..................................................................................... 24 7.2 Video Share ...................................................................................... 24 8 IP Voice and Video Call ........................................................................ 24 8.1 IP Voice Call ..................................................................................... 24 8.2 IP Video Call ..................................................................................... 24 9 Geolocation ........................................................................................... 25 9.1 Location Push ................................................................................... 25 9.2 Location Pull ..................................................................................... 25 10 Identification of Services ..................................................................... 25 GSM Association Non Confidential Official Document IR.90 V3.0 Page 3 of 32 10.1.1 Capability query ................................................................................ 25 10.1.2 Social Presence Information exchange: ............................................ 26 10.1.3 Standalone Messaging: .................................................................... 26 10.1.4 One-To-One Chat: ............................................................................ 26 10.1.5 Group Chat: ...................................................................................... 26 10.2 Disposition Notifications: ................................................................... 27 10.2.1 File Transfer: ..................................................................................... 27 10.2.2 Video Share: ..................................................................................... 28 10.2.3 Video Share Phase 2: ....................................................................... 28 10.2.4 Image Share: .................................................................................... 28 10.2.5 IP Voice Call: .................................................................................... 28 10.2.6 IP Video Call: .................................................................................... 28 10.2.7 Geo-location PUSH: .......................................................................... 29 10.2.8 Geo-location PULL: ........................................................................... 29 11 DNS & ENUM ......................................................................................... 29 12 DOCUMENT MANAGEMENT ................................................................ 29 Annex A: Configuration Parameters with NNI Impact ................................ 30
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