
The home of network interoperability standards

Service descriptions (ND1201-1299)
All publications in this category
ND Number | Version | Title | File (size) | Status | Comment |
ND1201 | Issue 1 | Completion of Calls to Busy Subscriber (CCBS) Supplementary Service | ![]() |
Current | |
ND1202 | issue 1 | Calling Line Identification Restriction (CLIR) | ![]() |
Current | |
ND1203 | V1.2.1 | Geographic Number Portability | ![]() |
Current | |
ND1204 | Issue 1 | Call Forwarding on Subscriber Not Reachable Supplementary Service | ![]() |
Current | |
ND1206 | Issue 2 | High Level Service Description For Targeted Transit | ![]() |
Current | |
ND1207 | V1.2.1 | Non-Geographic Number Portability | ![]() |
Current | |
ND1208 | V1.5.1 | Mobile Number Portability | ![]() |
Current | |
ND1209 | Issue 1 | Operator Services | ![]() |
Current | |
ND1210 | Issue 1 | Public Network Features To Support A Messaging Service | ![]() |
Current | |
ND1212 | Issue 1 | Textphone Messaging Service Description | ![]() |
Current |
