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GSC-13 NGN TIA DOCUMENT #: GSC13-GTSC6-22 FOR: Presentation SOURCE:
AGENDA ITEM: GTSC Agenda Item 4.1 NGN CONTACT(S): Cheryl Blum GSC-13 NGN TIA Submission Date: July 15, 2008
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Common IMS (1) Material from several IMS/MMD-related documents has been included in the Rel. 8 Common IMS initiative in 3GPP. As a result, the following TIA standards will be capped, with any further enhancements to be undertaken in the corresponding 3GPP documents. TIA-873-B, All-IP Core Network - Multimedia Domain TIA-1032-A, Presence Service TIA-1069, Conferencing using the IP Multimedia Core Network TIA-1091-B, IMS Security Framework TIA-1111, VoIP Emergency Services TIA-1112, SIP-ISUP Interworking TIA-1125, Enhanced MMD Security, Stage 1 TIA-1126, VoIP Supplementary Services Feature Descriptions TIA-1133, All-IP Network Emergency Call Support, Stage 1 TIA-1136, VoIP Supplementary Services
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Interoperability and Inter-working
Two projects are in progress in 3GPP2 to support IP level convergence HRPD/E-UTRAN Interoperability, and HRPD/WiMAX Interoperability Both projects will be ready for publication by EOY08
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Strategic Direction TSB-183, Common IMS Impacts to 3GPP2 Specifications, is being developed to provide both a mapping of the 3GPP2/TIA documents to the 3GPP Common IMS counterparts, and information regarding differences in IMS network elements and interfaces between 3GPP2/TIA and 3GPP specifications for inter-working purposes Close collaboration between 3GPP2 and both 3GPP and WiMAX Forum is in place to support convergence
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Challenges Ensure ongoing compatibility between TIA standards and Common IMS specifications Ensure TIA requirements are met in the Common IMS specifications TSB-183 will be updated appropriately as new CDMA-based material is incorporated into Common IMS
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Next Steps/Actions Prepare additional documents in 3GPP2 for potential inclusion in Common IMS in Rel. 9 TIA has recently been requested to publish TIA-1127, MMD Enhanced Policy, and 3GPP was notified that this is intended to be included in Rel. 9 3GPP2 has work items for IMS Centralized Services (ICS) and SIP-based Femto which are potential candidates for inclusion in Common IMS in Rel. 9 As future IMS-based functionality is developed in TIA/3GPP2, applicability for Common IMS will be a key consideration Continue close collaborative work with 3GPP
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