{"product_id":"entry-phone-controller-and-call-router","title":"Entry Phone Controller and Call Router","description":"- Viking entry phone controller and call router- Allows single line telephones or a telephone system to share a phone line with a door entry phone- House phones ring with C.O. line cadence or distinctive ring when the entry phone is calling- Built in five number dialer- Detects busy or ring no answer and goes onto the next number- Built in door strike relay with 1 or 2 digit commands- Detects touch tones as fast as 50 milliseconds- Postal lock input- Produces \"Call Waiting\" tones if the entry phone is activated when the house phones are already on a call- Add an entry phone to your standard home or office phones to provide door communication- Provide commercial or residential security via two-way handsfree communication at the door or gate- Connects in series with a single phone line or to a phone system's unused line input (loop start trunk input)","brand":"Teledynamics","offers":[{"title":"Default Title","offer_id":51569163895030,"sku":"C403-TDVK-C-250","price":420.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/1198\/2326\/files\/TDVK-C-250.jpg?v=1788215797","url":"https:\/\/grovizon.com\/products\/entry-phone-controller-and-call-router","provider":"Grovizon","version":"1.0","type":"link"}