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Home>ITU-T Q.1902.2 AMD 5

ITU-T Q.1902.2 AMD 5

ITU-T Q.1902.2 AMD 5

Bearer Independent Call Control protocol (Capability Set 2) and Signalling System No.7 ISDN User Part: General functions of messages and parameters, Amendment 5: Support for the customized alerting tone (CAT) service

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