| Vedlegg | Forklaring |
|---|
| TS A21 | Access to the public switched telephone network (PSTN). Specification of the network side of the user-network interface. Edition 3. |
| TS A21-1 | FSK signaling towards analogue PSTN interfaces. Edition 4. |
| TS A21-2 | Supplementary services defined by Telenor and supported in the public PSTN of Telenor. Edition2. |
| Ord | Forklaring |
|---|
| TS A41 | Specification of the network side of the user-network interface for ISDN Basic Access (BA). Edition 3. |
| TS A41-1 | Specification of the network side of the user-network interface for ISDN Basic Access (BA) - physical layer (layer 1). Edition 2. |
| TS A41-2 | Specification of the network side of the user-network interface for ISDN Basic Access (BA) - data link layer (layer 2). Edition 3. |
| TS A41-3 | Specification of the network side of the user-network interface for ISDN Basic Access (BA) - network layer (layer 3). Edition 3. |
| TS A41-4 | Specification of the network's handling of number information, Basic Access (BA). Edition 3. |
| TS A41-5 | Specification of the bearer services and teleservices supported in the public ISDN of Telenor, Basic Access (BA). Edition 3. |
| Ord | Forklaring |
|---|
| TS A42 | Specification of the network side of the user-network interface for ISDN Primary Rate Access (PRA). Edition 3. |
| TS A42-1 | Specification of the network side of the user-network interface for ISDN Primary Rate Access (PRA) - physical layer (layer 1). Edition 2. |
| TS A42-2 | Specification of the network side of the user-network interface for ISDN Primary Rate Access (PRA) - data link layer (layer 2). Edition 2. |
| TS A42-3 | Specification of the network side of the user-network interface for ISDN Primary Rate Access (PRA) - network layer (layer 3). Edition 2. |
| TS A42-4 | Specification of the network's handling of number information, Primary Rate Access (PRA). Edition 2. |
| TS A42-5 | Specification of the bearer services and teleservices supported in the public ISDN of Telenor, Primary Rate Access (PRA). Edition 2. |
| Ord | Forklaring |
|---|
| TS A43 | Specification of the network side of the ISDN Virtual Circuit Service for ISDN Basic Access (BA) and Primary Rate Access (PRA). Edition 3. |
| TS A43-1 | Specification of the bearer services provided by the B-channel of the user access - basic and primary rate. Edition 3. |
| TS A43-2 | Specification of the bearer services provided by the D-channel of the user access - basic and primary rate. Edition 3. |
| TS A43-3 | Specification of the support of packet-mode terminal equipment by an ISDN access - basic and primary rate. Edition 3. |
| TS A43-4 | Specification of the network's handling of supplementary services, number information and profile selections. Edition 3. |
| Ord | Forklaring |
|---|
| TS A44 | Circuit switched supplementary services. Edition 2. |
| TS A44-1 | DSS1 Generic keypad protocol. Edition 2. |
| TS A44-2 | DSS1 generic functional protocol. Edition 2. |
| TS A44-3 | ETSI standardised supplementary services supported in the public ISDN of Telenor; Basic Access (BA) and Primary Rate Access (PRA). Edition 4. |
| TS A44-4 | Supplementary services defined by Telenor and supported in the public ISDN of Telenor; Basic Access (BA) and Primary Rate Access (PRA). Edition 3 |