Smart Touch Tone Dialer with Redialing. The K-1900-30 is an automatic dialer that dials a 1-20 digit phone number, and can be programmed to call up to 4 additional phone numbers if the line is busy, or is not answered. The K-1900-30 can be used to add the smart dialing features of a Viking Model E-30, to other non-dialing entry phones such as the E-10A, E-20B, E-40 series, E-50 series, E-60 series, E-70 series, E-75 series, K-1500 series phones, etc. The K-1900-30 connects directly to an analog CO line, Analog PBX station, or analog port of a VOIP adapter, and works with any analog phone. Touch Tone programming can be done locally, or remotely by calling into the unit. A Touch Tone identification number can be programmed to help identify the location of the call. The K-1900-30 will continue to call through the programmed phone numbers one by one until the call is answered, or it can be programmed to limit the number of times it cycles through the phone numbers. User Touch Tones dialing can be restricted, or allowed for Touch Tone door strike applications. Applications Add E-30 intelligent auto dialing features to any phone Parking lot/ramp dialer ATM machine dialer Door entry dialer Features Non-volatile memory (no batteries required) Compatible with analog phones Compatible with Viking E-series and K-series phones Dials up to five 1-20 digit phone numbers Cycles thru phone numbers until answered Programmable max call timer Local and remote Touch Tone programming Ring-thru allows calling into the phone Call status LED indicator 12V DC adapter included.