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| Spec | Title | Releases | WG |
|---|---|---|---|
| 29.163 | Interworking between the IP Multimedia (IM) Core Network (CN) subsystem and Circuit Switched (CS) networks | 18.1.0 17.3.0 16.4.0 15.8.0 14.13.0 13.13.0 12.16.0 11.19.0 10.22.0 9.26.0 8.32.0 7.28.0 6.12.1 1.9.0 | C3 |
| 29.427 | TISPAN; Endorsement of the SIP-ISUP Interworking between the IP Multimedia (IM) Core Network (CN) subsystem and Circuit Switched CS) networks [3GPP TS 29.163 (Release 7), modified] | 7.1.0 | C3 |
| 29.527 | TISPAN; Endorsement of the SIP-ISUP Interworking between the IP Multimedia (IM) Core Network (CN) subsystem and Circuit Switched (CS) networks [3GPP TS 29.163 (Release 7), modified] | 8.3.0 | C3 |
All information on this page is aggregated from the 3GPP Specfication Status Report page.