Various Telecommunications – The SR-1 will generate loud ringing from an analog ringing line or from a dry contac closure. There are 4 different ringing sounds to choose from. Loudness is easily adjusted with a volume contro; ...
Various Telecommunications – Battery Booster - TBB-1B - TBB-1B Battery Booster - Power Adapter - Screws - 2 Year Limited Warranty - Passes original ringing through to the device - Boost talk battery loop current up to 26mA - ...
Various Telecommunications – The CPC-1 will generate a Calling Party Control (CPC) disconnect signal on a PABX analog station (or any other line that does not provide this signal). A CPC signal is a momentary break in phone line ...
