SIP-I » History » Version 1
laforge, 06/03/2018 11:22 PM
| 1 | 1 | laforge | h1. SIP-I |
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| 3 | SIP-I is a SIP based ISUP replacement specified by ITU-T. |
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| 5 | It has been adopted by 3GPP as a Release 8 (or later) protocol on the Nc interface (signaling between MSCs/G-MSCs) in TS 23.231 |
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| 7 | h2. Spec References |
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| 9 | * "ITU-T Q.1912.5: Interworking between session initiation protocol (SIP) and BICC or ISUP":https://www.itu.int/rec/dologin_pub.asp?lang=e&id=T-REC-Q.1912.5-201801-I!!PDF-E&type=items |
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| 10 | * "3GPP TR 29.802: (G)MSC-S – (G)MSC-S Nc Interface based on the SIP-I protocol;":http://www.3gpp.org/ftp/tsg_ct/TSG_CT/TSGC_36/Docs/CP-070337.zip (abandoned after Rel7?) |
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| 11 | * "3GPP TS 23.231: SIP-I based circuit-switched core network; Stage 2":http://www.etsi.org/deliver/etsi_ts/123200_123299/123231/14.00.00_60/ts_123231v140000p.pdf |
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| 12 | ** a lot of focus on MGW selection (deferred, optimized, bypass) |
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| 13 | ** describes interaction with supplementary services |
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| 14 | * "3GPP TS 29.235: Interworking between SIP-I based circuit-switched core network and other networks":http://www.etsi.org/deliver/etsi_ts/129200_129299/129235/14.00.00_60/ts_129235v140000p.pdf |
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| 15 | * "3GPP TS 29.163: Interworking between the IP Multimedia (IM) Core Network (CN) subsystem and Circuit Switched (CS) networks":http://www.etsi.org/deliver/etsi_ts/129100_129199/129163/14.06.00_60/ts_129163v140600p.pdf |
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| 16 | * "3GPP TS 29.164: Interworking between the 3GPP CS domain with BICC or ISUP as signalling protocol and external SIP-I networks":http://www.etsi.org/deliver/etsi_ts/129100_129199/129164/14.00.00_60/ts_129164v140000p.pdf |
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| 17 | * "GSMA IR.83: SIP-I Interworking Description":https://www.gsma.com/newsroom/wp-content/uploads/IR.83-v1.2.pdf |
