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Content for  TS 29.018  Word version:  16.0.0

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0  IntroductionWord‑p. 7

The present document specifies or references the procedures to provide co-ordination between the GSM circuit switched services controlled at the Visitors Location Register (VLR) and the GSM packet switched services controlled at the Serving GPRS Support Node (SGSN). The procedures specified in the present document are intended to optimise the use of the resources when an MS supports both GSM circuit switched services and GSM packet switched services.

1  ScopeWord‑p. 8

The present document 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.
The present document 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.
The functional split between VLR and SGSN is defined in TS 23.060. The required procedures between VLR and SGSN are defined in detail in the present document.
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2  References

The following documents contain provisions which, through reference in this text, constitute provisions of the present document.
  • References are either specific (identified by date of publication, edition number, version number, etc.) or non specific.
  • For a specific reference, subsequent revisions do not apply.
  • For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP document (including a GSM document), a non-specific reference implicitly refers to the latest version of that document in the same Release as the present document.
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2.1  Normative references

[1] [Void]
[1a]
TR 21.905: "Vocabulary for 3GPP Specifications".
[2] [Void]
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[5]
TS 23.003: "Numbering, addressing and identification".
[6]
TS 23.007: "Restoration procedures".
[6a]
TS 23.018: "Basic Call Handling; Technical realization".
[7] [Void]
[8]
TS 23.060: "General Packet Radio Service (GPRS); Service description; Stage 2".
[8a]
TS 23.401: "General Packet Radio Service (GPRS) enhancements for Evolved Universal Terrestrial Radio Access Network (E-UTRAN) access".
[9] [Void]
[10] [Void]
[11]
TS 24.008: "Mobile radio interface Layer 3 specification; Core network protocols; Stage 3".
[11a]
TS 44.018: "Mobile radio interface layer 3 specification; Radio Resource Control Protocol".
[12]
TS 44.064: "Mobile Station - Serving GPRS Support Node (MS-SGSN) Logical Link Control (LLC) layer specification".
[13] [Void]
[14]
TS 48.008: "Mobile-services Switching Centre - Base Station System (MSC-BSS) interface; Layer 3 specification".
[15]
TS 48.018: "Base Station System (BSS) - Serving GPRS Support Node (SGSN); BSS GPRS Protocol (BSSGP)".
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[17]  TS 29.002: "Mobile Application Part (MAP) specification".
[18] [Void]
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[22]
TS 25.413: "UTRAN Iu interface RANAP signalling".
[23]
TS 23.195: "Provision of UE Specific Behaviour Information to Network Entities".
[23A]
TS 22.101: "Service Principles".
[24]
TS 23.251: "Network sharing; Architecture and functional description".
[25]
TS 32.422: "Subscriber and equipment trace; Trace control and Configuration Management (CM)".
[26]
TS 23.236: "Intra-domain connection of Radio Access Network (RAN) nodes to multiple Core Network (CN) nodes".
[26A]
TS 29.060: "General Packet Radio Service (GPRS); GPRS Tunnelling Protocol (GTP) across the Gn and Gp interface".
[27]
TS 29.118: "Mobility Management Entity (MME) - Visitor Location Register (VLR) SGs interface specification".
[28]
TS 29.272: "MME and SGSN Related Interfaces Based on Diameter Protocol".
[28A]
TS 29.274: "3GPP Evolved Packet System (EPS); Evolved General Packet Radio Service (GPRS) Tunnelling Protocol for Control plane (GTPv2-C); Stage 3".
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2.2  Informative referencesWord‑p. 9

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[64]
ITU-T Recommendation Q.714 (05/01): "Signalling connection control part procedures".
[65] [Void]
[66] [Void]
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3  Definitions, symbols and abbreviationsWord‑p. 11

For the purposes of the present document the definitions, symbols and abbreviations given in TR 21.905 and in TS 23.060 apply. Additionally the following terms and definitions of TS 23.251 apply:
Common PLMN
Gateway core network (GWCN)
Non-supporting UE
Supporting UE

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