Viking Electronics VK-E-10A-EWP Speaker Phone with Call Button & Black Aluminum Faceplate Flush Mount with Included Roug

Viking telephone line powered speaker phoneProvides 2 way hands-free communicationWhen the Call button is pressed, will come off-hook and will remain off-hook until a CPC signal is detected, the programmed timeout has elapsed, a busy signal is detected, or the call goes silent, making the unit automatically disconnectCan be directly connectable to a CO line or analog PABX/KSU station when programmed as a ringdown circuitOne, or up to four, can share an existing phone line in a house or small business when used with a Viking C-200 Entry Phone ControllerEnhanced Weather Protection rubber gaskets and boots, closed cell foam gasketing, hand soldered silicon sealed connections, anti-corrosive gel filled tip and ring connectors, as well as urethane encapsulated circuit boards with internally sealed, field-adjustable trim POTS and DIP switchesAlternate action call button to place or cancel a callIntelligent call progress detection for automatic hang-up on CPC, silence, busy signal, or time outTelephone line poweredWeather resistant features: mylar speaker, gaskets, internally sealed push button switch, UV stable exterior, enamel coated PCBOptional Enhanced Weather Protection (EWP) available for greater weather resistanceAdjustable microphone and speaker volumeProgrammable maximum call lengthSelectable auto-answer feature allows remote monitoringTwo way handsfree communicationProgrammable VOX (mic/speaker) switching speedVandal resistant, black powder painted, aluminum face plate with heavy duty metal call button and mounting gasketFlush mountable using included plastic rough-in box part # 259576Surface mountable with an optional VE-5x5