Interfaces incoming Central Office lines with DoorKing 1816 Intercom Systems.
One (1) phone block is required for every 12 telephone lines in the system.
Total Security Warehouse is a wholesale distributor of the highest quality, most widely recognized brands of access control products available on the market.
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5100 W Brown Deer Rd Brown Deer, WI 53223 Phone: 877-816-7304 Fax: 262-814-7302 Email: firstname.lastname@example.org