(Pre-Published) Usage of Cause and Location in the Digital Subscriber Signalling System No. 1 (DSS1) and the Signalling System No. 7 (SS No.7) ISDN User Part (ISUP) Series Q: Switching and Signalling - Digital Subscriber Signalling System No. 1 - General
This amendment contains the modifications to Recommendation Q.850 (05/98) in order to reserve cause value no. 24 “Call rejected due to feature at the destination”.