ISDN Telephony is a classic telephony service consisting of a digital telecommunications link with 30 communication channels (B) and one signalising channel (D)
Service description:
ISDN Telephony is a classic telephony service consisting of a digital telecommunications link with 30 communication channels (B) and one signalising channel (D) – each with a bandwidth of 64 Kbps.
How it works:
The key functionalities available as part of the subscription are:
- access to the Client Panel
- Direct Dial In – up to 100 numbers
- call waiting (CW)
- call holding (HOLD)
- calling line identification presentation (CLIP)
- calling line identification restriction (CLIR)
- anonymous call restriction (ACR)
- call forwarding:
- unconditional (CFU)
- busy (CFB)
- no reply (CFNR)
- trilateral calls
Benefits:
The service is connected to your digital exchange infrastructure. In addition, you gain access to the NASK Client Panel, which is a website and a part of our billing system. The panel also provides access to your call history for the previous billing period.