Most features of Modem AVM Type FRITZ!X:
1) Combining Modem ISDN and full PBX in one device.
2) 4 ports analog Line telephone.
3) One Port USB.

4) One Port ISDN.
5) High Speed transferring for Data, Max 128 KB/S.
6) Your number become 8 digitsnumbers.
7) You can programming four Internal Lines for your place (home, office…etc)
8) Qualifying you to install 2 Lines for telephone, one for fax and one for Internet inside your place and the same line of STE

9 ) Special Specifications for PBX built in the AVM modem:
9.1 Can program each port or line individually with three telephone lines.
9.2 We can program one of these three lines dedicated for only outgoing call without incoming call for the same number, in case if we have another number for same port we can receive calls on it.
9.3 We can program each telephone line individually to make internal or external calls like normal PBX or calling external number directly.
9.4 Controlling the clip feature for each telephone port.
9.5 Controlling the clir feature for each telephone port.
9.6 Controlling the feature of three party calls.
9.7 Controlling the group calls feature for each telephone port.
9.8 Controlling the call waiting feature for each telephone port.
9.9 Controlling the hold feature for each telephone port.