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TS 11.23 (RAN6)
GSM Signalling Aspects Base Station System equipment Specification

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(P) GSM Phase-2 v4.9.1    1998/10    318 p.


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This TS contains the signalling aspects of the Base Station System for GSM. The set of signalling tests cover major areas of functionality on the air, Abis and A interfaces, but is not designed to be a complete set of all the possible scenarios.

The tests were designed from the set of core specifications that exist for the GSM network and any changes that occur these specifications will be reflected in the test set documented within.


 

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1   Scope   PDF-p. 13
2   Normative references
3   Abbreviations   PDF-p. 15
4   Guide to this ETS
5   Testing of Layer 2 (LAPDm) functions   PDF-p. 16
5.1   Scope
5.2   Introduction
5.3   Layer 2 test frames      Up
5.4   General requirements   PDF-p. 17
5.5   Establishment of the dedicated physical resource   PDF-p. 18
5.6   Release of the dedicated physical resource      Up
5.7   LAPDm idle state
5.8   Signalling connections (SAPI=0)   PDF-p. 23
5.8.1   Link establishment   PDF-p. 24
5.8.2   Normal information transfer   PDF-p. 27
5.8.3   Normal Layer 2 release by MS   PDF-p. 34
5.8.4   Normal Layer 2 release by BSS   PDF-p. 35
5.8.5   Abnormal release
5.8.6   Frame loss   PDF-p. 38
5.8.7   Reception of REJ frames   PDF-p. 40
5.8.8   Frame transmission with incorrect C/R values   PDF-p. 44
5.8.9   Link failure   PDF-p. 46
5.8.10   Errors in the Control Field   PDF-p. 47
5.8.11   Receipt of invalid frames   PDF-p. 52

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