ETSI EN 301 029-4
ETSI EN 301 029-4
Broadband Integrated Services Digital Network (B-ISDN); Signalling System No.7; B-ISDN User Part (B-ISUP); Part 4: Look-ahead without state change for the network node interface [ITU-T Recommendation Q.2724.1 (1996)] Edition: 1.2.1European Telecommunications Standards Institute / 01-Apr-1998 / 5 pages