Viking Single Line Paging Controller

* Viking Single Line Paging Controller* Whole House/small Business Paging From Existing Phones* Builtin Twowatt Mono Paging Amplifier With Gain Control* Phone To Phone Intercom* Page From Several Different Phone Lines By Connecting Multiple Units* Music On Hold* Caller On Hold* Can Provide Background Music From An External Source* Background Music Mate (automatic During Paging Or Touch Tone Selectable While You Are On A Call)* Selectable Loud Ringing (electronic Warble Over Speakers)* Doorbell Switch Input (lighted Or Nonlighted) For Activating Door Chime (dingdong Sound Over Speakers)* Unique Front And Back Door Chimes When Used With A C1000b Or C2000b Doorbox Controllers* Switch Selectable Onhold Alarm Tones* Stereo Preamp Input And Line Level Output For Use With Receivers And High Wattage Amplifiers* Simple Control Commands No Touch Tone Programming* Page Trigger Output (12v Signal For Enabling Paging Source Input On Multisource Amps)* Preamp Volume Control* Bypass Code Ignores All