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The Viking C-2000A allows single line phones or phone systems to share a phone with 1-4 entry phones. Tenants may answer an entry phone call, converse with the visitor and activate a contact closure to control electronic gates or door strikes. The C-2000A provides "caller ID" and will also provide "call waiting caller ID" and a "call waiting" tone when the phone line is in use. Tenants may gain entry at each gate by entering a Touch Tone keyless entry code. Tenants may call out to each entry phone for monitoring purposes. An auxiliary input is also available for connecting a lighted doorbell switch, common garage door opener/receiver or an auxiliary keyless entry keypad.

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