link 1.0 Djem Guerreru Inc. https://www.djemguerreru.com 21600 JOITO's https://www.joitos.com https://cdn.joitos.com/GENERAL/29/299/2992/2992018.V0.jpg 400 250 https://www.joitos.com/item/3334273/Viking%2DDoor%2DEntry%2DControl%2Dfor%2DEntry%2DPhon - Viking Door Entry Control for 4 Entry Phones, Provides CO Sharing, Call Waiting, and One Aux Contact- Allows an entry phone to share a single telephone line with a residential or business telephone system- House phones ring with C.O. line cadence or distinctive ring when the entry phone Call button is pressed- Compatible with these Viking entry phones: - E-10, E-20A, E-30, E-40 Handsfree Phones - K-1500-7 Stainless Steel Panel Phone - Or use with any analog touch tone phone- Provide entry phone activated chimes and whole house paging when used with Viking model SLP-1- Produces double Call Waiting tones- One set of normally open and normally closed contacts available for operating a doorbell, camera, lights, etc.- Add door strike capability with the Viking model RC-2A Remote Touch Tone Controller 171.80 USD 1 Electronics & computer--Phone & telecom--Other