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ETSI ETS 300 500/A1
- Amendment 1 to - European digital cellular telecommunications system (Phase 2); Principles of telecommunication services supported by a GSM Public Land Mobile Network (PLMN) (GSM 02.01)
- standard by European Telecommunications Standards Institute, 03/01/1995
- Publisher: ETSI
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REASON: Amendment 1 to ETS 300 500 due to a potential contradiction between GSM 02.01 and GSM 02.03 related to the negotiation from TS61 to TS62. Currnetly, if a TS61 call setup cannot be supported then it shall be negotiated to TS62. However, before this can be done a subscription check must be completed which, according to GSM 02.01, will fail. CONSEQUNCES OF NON-ACCEPTANCE: If this change is not accepted, then a subscription check for TS61 will cause the call to fail despite the fact that the call has a good chance of being sucessfully completed.