Voice Mail - Save 20% to 50% on New and Refurbished Voice Mail Systems
Telcom Online - Get the Latest Telcom Tips, Tutorials, and News
Shop By Category:Phone Relays and Controls Wheelock telephone relays activate various appliances when a telephone ring voltage is detected. Two models are available to accommodate different voltage requirements, environments and applications.
9 Item(s)
Wheelock Audible Control Units
Wheelock Series CA Common Audible Control Units monitor multiple analog telephone lines (tip and ring) to provide all call signaling, zoned signaling or night bell connection. These control units also enable connection for operation of external audible or visual alerts to be operated directly off the telephone ring voltage output.
Read More
Wheelock Audible Control Units
Wheelock Series CA Common Audible Control Units monitor multiple analog telephone lines (tip and ring) to provide all call signaling, zoned signaling or night bell connection. These control units also enable connection for operation of external audible or visual alerts to be operated directly off the telephone ring voltage output.
Read More