BusinessPhone – ACD Supervisor

## ISDN Facilities

This chapter is only relevant when your system is connected to a digital trunk line (ISDN-trunk line). It provides a general view of all the (supplementary) services available from the public net which are supported by the system. The services from the public net differ from market to market. Please ask your system administrator which features are available.

#### More Information

Number Identification

Answer an incoming call from an ISDN‑line

Make an external call on an ISDN-line

Malicious Call Identification

ISDN Caller List

Number Secrecy

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