TSG CN WG1 Work Items

TSG CN WG1 has the following 3GPP Work Items:-

 

Title
Description
Latest WID
CS based Emergency Call Enhancements in Rel-4 To define emergency speech call without SIM/USIM as defined in TS 22.101, TR 22.976 and other relevant specification. NP-010136 >>>
ASCI Release 4 enhancements Enhancements needed in Rel-4 for proper operation of GSM for Railways (GSM-R). NP-000730  >>>
PS based Emergency Call in Rel-5 To define emergency call via the PS domain (WID needs updating to: with SIM/USIM present) as defined in TS 22.101 and other relevant specification. NP-010137 >>>
SIP Call Control protocol for the IM CN Subsystem To specify Call Control protocol for the IM CN subsystem for control of multimedia services based on Session Initiated Protocol and Session Description Protocol with required enhancements for 3GPP requirements to facilitate a multi-vendor, multi-system environment. NP-010143 >>>
CN work for Intra Domain Connection of RAN Nodes to Multiple CN Nodes To provide a standardised mechanism for the connection of multiple MSCs (and SGSNs) to an RNC or a BSC (both A/Gb mode and Iu mode) which reduces mobility management signalling and permits improved efficiency in hardware utilisation. NP-000737 >>>

You can obtain more information by looking at the 3GPP Work Plan here >>>