Universal Mobile Telecommunications System (UMTS); Open Service Access (OSA); Parlay X web services; Part 3: Call notification
9.3.0
9.2.0
9.1.0
9.0.0
8.5.0
8.4.0
8.3.0
8.2.0
8.1.0
7.2.0
7.1.1
6.6.0
6.5.0
6.4.0
6.3.0
6.2.0
6.1.0
6.0.0