Category: 51.010-1
- 31.7 Additional information transfer supplementary services
- 31.8 Call restriction supplementary services
- 31.9 Handling of undefined (future) GSM supplementary services
- 31.10 MMI input for USSD
- 31.11 Specific message contents and ASN.1 codings
- 31.12 eMLPP Service
- 31 Test of supplementary services
- 31.1 Number identification supplementary services
- 31.2 Call offering supplementary services
- 31.3 Call completion supplementary services