Advanced Two Door Entry Phone Controller with Call Forwarding and Door Strike Controls

MFR PART #  C-500
PART #  667928
Minimum 1 Each
In Stock


The C-500 allows single line telephones or a telephone system to share a phone line with two Viking entry phones. Up to four C-500’s can also be connected in series allowing control of up to eight entry phones and/or doorstrikes. Tenants may answer an entry phone call, converse with the visitor and let them in with a touch tone command which activates one of two relays to control a gate or door strike.

The C-500 also has a built in five number dialer to call your cell phone or an outside line ithere is no answer on the inside phone. If the outside call is busy or ring no answer, the C-500 can call up to four more numbers.

The C-500 provides the house phones with user programmable entry phone "Caller ID". Tenants may also call the entry ones for monitoring purposes or enter touch tone commands to activate, deactivate or toggle the doorsrike/gate relays. The C-500 allows up to 6 permanent keyless entry codes, 2 "one time use" entry codes and 1 toggle entry code for each door. The C-500 provides optional entry phone distinctive ring, two trigger inputs for "Request to Exit" and field programmable Caller ID or beep tones when answered to indicate which door is activated.

Must be a reseller to purchase this product


  • Allows single line telephones or a telephone system to share a phone line with two Viking entry phones
  • Distinctive ringing, programmable entry phone Caller ID or beep tones allow you to distinguish front and back door entry calls from CO call
  • Stackable - connect up to four C-500’s to control up to eight entry points
  • Built in five number call forwarding dialer (if inside phone doesn’t answer), detects busy or ring no answer and goes on to the next number
  • Provide entry phone activated chimes and whole house paging when used with an SLP-1 or SLP-4
  • Analog Station Mode allows entry phones to connect to analog PABX station
  • Two N.O./N.C. (SPDT) 5A door strike relays with 1 or 2 digit activation commands
  • Monitor any entry phone
  • Up to 6 different keylesentry codes, 2 "one time use" keyless entry codes, and 1 keyless toggle code per entrance
  • Auto answer for remote programming, relay control and monitoring
  • Two trigger inputs for Request to Exit (REX), immediate call forwarding or lighted doorbell switches to activate entry phone calls
  • Produces "Call Waiting" tones if the entry phone is activated when the house phones are on a call
  • Compatible with the following Viking entry phones:
  • - E-10A, E-20B, E-30, E-35, E-40, E-50, E-60, E-65, E-70, and E-75 Pones
  • - K-1500-7 Stainless Steel Panel Phone
  • - K-1700-3 and K-1705-3 Phone with Keypad
  • - K-1900-8 Stainless Steel Panel Phone with Keypad
  • - Or use with any analog touch tone phone


UNSPSC Code 43201500

Spec Sheet

Spec Sheet

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