Vandal-resistant stainless steel wall mount payphone size handsfree speakerphone with keypad, push button for dial tone, and red LED light to indicate phone is activated. Telephone can be programmed with call restrictions, ability to dial a PBX or access number, allow or block incoming calls, provide call time-out from 1-9 minutes or no time-out. Telephone can not be left off-hook, as it detects when called party hangs up and resets itself. Equipped with marine quality chrome keypad, weatherproof, puncture resistant speaker and microphone, instruction or advertising window, ID window, tamper resistant security screws, and mounting backplate. Equipped for VoIP operation with standard SIP server protocol, requires AC power.
Their impressive size and durability are easy to locate for your toughest security, prison, emergency, and public communication needs.