[Q.1902.2 Amd2] LC-Text : Recommendation Q.1902.2 Amendment 2 - BICC CS2 and Signalling System No. 7 ISDN User part: General functions of messages and parameters
[Q.1902.2 Amd2s] LC-Summary: Recommendation Q.1902.2 Amendment 2 - BICC CS2 and Signalling System No.7 ISDN User part: General functions of messages and parameters