Available in flush and surface mount, 22 in. Touch Telephone Access System offers customizable solution for occupant and visitor access control in condominiums, apartment buildings, office buildings, gated communities, and industrial buildings. System runs Windows-based operating system and uses custom interface modules for ADC/NSL telephone interconnectivity. Variety of programming options is available via built-in USB or Ethernet ports, as well as modem and COM-to-RS485 modules.