ITU-T Q.2761-1999 Functional Description 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
Functional Description 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
ITU-T Q.2761-1999 history
1999ITU-T Q.2761-1999 Functional Description 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