Discount Telephone Corporation,
also known as AA Phone Systems, specializes in business &
office PBX phone systems for small and medium business in San Francisco
bay area (San Francisco - South San Francisco - San Mateo - Daly
City - San Bruno). We
have been in business since 1985.
buy, sell, install and support a wide range of new and used business
phone systems, voice mail and computer cabling. In addition, we
provide VOIP solution services.
business & office PBX phone systems includes following brands:
ITT, NEC, PacBell
Starplus, Toshiba, Intertel, VAZ and many old systems