Please note:

• The scope of functions described here is only completely usable with a professional installation and a correct configuration of the PBX and the connected PC. We highly recommend consulting your authorised dealer first.
• Please ask your network operator about the availability of some ISDN service attributes. Some of these functions may be available for an extra fee.
• There may be incompatibilities in combination with terminals and devices of other vendors that adversely influence the usability of functions.