PABX. Main Features: interior communications lines 8, external line 1, direct or indirect dialing supports. User can record his own greeting message, stored in the PBX's memory. Automated greeting message supports, about 10 seconds. Incoming calls can be put on hold and transferred from any extension. Know the caller's ID. All-way conferencing call. PABX doesn't support fax. Permits users with authorized password to make external calls. Technical: Power Supply AC220V, Materials: Plastic, Type of Telephone: Dual wire.