Business Telephone Systems, Voice Mail Systems, Voice and Data Wiring, Fiber Optic Cabling, CCTV High Definition day/ night Vision Security Cameras Sales, service, installation of business telephone systems, voice mail systems, voice and data wiring and fiber optic cabling. Specializing in Inter-Tel (now Mitel) business telephone systems as well as 3COM network based phone systems. CCTV (closed circuit TV) High Definition Day/ Night Security Cameras as well as specializing in paging and talk back (two way) paging systems. Call us at 215-230-3414 or visit us on the web at http://corporatecds.com