3GPP Work Item description

This page contains informal descriptive text only.  See master WID page for further details.

Feature:     IMS phase 2

This is a continuation of the IMS feature included in Release 5.

There is no stand-alone description of this feature, so it is necessary to refer to its component building blocks:

• Stage 2 of IMS Phase 2

• Enhancements to the Cx and Sh interfaces

• IMS Group Management

• IMS Conferencing

• IMS Messaging

• IMS Local services

• Additional SIP Capabilities support not covered by Rel-5

• Review additional SIP Capabilities against IMS

• Interworking between IMS and IP networks

• Mm interface (CSCF to external IP multimedia network)

• Interworking between IMS and CS networks

• Mn interface (IM-MGW to MGCF) enhancements

• Mp (MRFC - MRFP) interface protocol definitions

• Study of subscriber and operators relationship in IMS and related ISIM requirements for Rel 6

• Lawful Interception in the 3GPP Rel-6 architecture

• IMS Subscription and access scenarios

Work to be led by SP.