Contact For Service


CSM Service responds to emails and form requests M-F 8:00am to 5:00pm. For immediate attention please call 800.226.3389. CSM provides certified service and sales on:

  • Mitel/ ShoreTel
  • Nortel/ Norstar
  • Avaya
  • PhoneSuite
  • NEC

Additionally, as licensed low voltage contractors, we provide a full suite of cable options including:

  • CAT5e
  • CAT6
  • Fiber
  • COAX