Support for VoIP and Traditional Phone Systems

Business Phone Service in Florida and Texas

CSM Service responds to emails and form requests regarding service for telephone systems or quotes on new equipment from M-F 8:00am to 5:00pm. For immediate attention, please call 800.226.3389. CSM services most brands of phones systems; however, we specialize and are fully manufacturer certified in Mitel, ShoreTel, Avaya, Nortel, Siemens, PhoneSuite, and Vertical (Comdial, Vodavi and SBX).


3816 Gunn Hwy
Tampa, FL. 33618

CSM Texas (Austin)
3706 N. Main St. #104
Taylor, TX. 76574

With over 35 years of experience, Tampa and Austin based CSM provides sales and service for telephone systems throughout Florida, Texas, and the southeast USA.