General Functions of Messages and Signals of the B-ISDN User Part (B-ISUP) of Signalling System No. 7 Series Q: Switching and Signalling Broadband ISDN - B-ISDN Application Protocols for the Network Signalling Study Group 11
General Functions of Messages and Signals of the B-ISDN User Part (B-ISUP) of Signalling System No. 7 Series Q: Switching and Signalling Broadband ISDN - B-ISDN Application Protocols for the Network Signalling Study Group 11