... . Stock 2. Remote control 3. Call monitor 4. List, Print PRI/E1 telephone voice recorders: COME800-E1, 30channels E1 digital trunk ... digital trunk (30B+D), support China SS7, No.1 signaling, ISDN PRI. One computer can connect with 6pcs cards max, and record ... Call Recording: can record the talk of normal telephone, extension, ISDN, trunk timely. Record Loop: circular record according to the appointed ...