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TS 29.018 (CT1)
SGSN-VLR Gs interface –
Layer 3

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V15.0.0 (PDF)  2018/06  65 p.
V14.0.0  2017/03  68 p.
V13.2.0  2015/09  67 p.
V12.5.0  2014/06  67 p.
V11.7.0  2013/12  67 p.
V10.7.0  2012/09  64 p.
V9.3.0  2012/09  64 p.
V8.5.0  2012/09  62 p.
V7.3.0  2006/12  61 p.
V6.5.0  2006/12  61 p.
V5.5.0  2003/10  61 p.
V4.5.0  2003/10  58 p.
V3.11.0  2003/10  60 p.
GSM Rel-98 v7.5.0  2001/12  53 p.
GSM Rel-97 v6.7.0  2001/12  53 p.


Rapporteur:  Mr. Aghili, Behrouz

This TS specifies or references procedures used on the Serving GPRS Support Node (SGSN) to Visitors Location Register (VLR) interface for interoperability between GSM circuit switched services and GSM packet data services. This TS specifies the layer 3 messages and procedures on the Gs interface to allow coordination between databases and to relay certain messages related to GSM circuit switched services over the GPRS subsystem.