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... anti-interference ability 3. The phone color is optional, yellow is the standard color 4. Mean time between failures (M.T.B.F): 50000 hours 5. All accessories of the shell adopt multi-layer ......
...Phone Integrated Home Telephone Analog Caller ID Phone Key Words of Corded Landline Phone: DTMF/FSK Receiver Call Record 10 Speed Dial Button Call Transfer (compatible with Excelltel PABX) Call Pickup (compa...
...PSTN. Specifications and characteristics Emergency Telephone, SOS phone with lock key for Roadside, Highway, Subway Standard VoIP/SIP telephone Robust housing, constructed of cold rolled steel ......
. FSK/DTMF dual system selectable, Compatible with CO & PABX . battery free solution, Tone / Pulse dialing . Heavy duty plastic body . Handset coil cord & telephone line . 50 groups (8 digits ) or 32 groups (16...