Category: 51.010-1
- 31.2 Call offering supplementary services
- 31.3 Call completion supplementary services
- 28 Test of autocalling restrictions
- 29 Testing of bearer services
- 30 Speech teleservices
- 27.19 Phase identification
- 27.20 SIM presence detection
- 27.21 Advice of Charge (AoC)
- 27.12 Evaluation of directory characteristics
- 27.13 Mechanical tests