Dialog 4222 Office / Dialog 3211 & 3212

ISDN Facilities

Note:

This section only applies to the Dialog 4222 Office and the Dialog 3212 Standard telephone.

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