IP PBXs

ISP Supplies offers Grandstream IP PBXs for internet service providers (WISPs), wireless technicians, and other various industries

3 Products

UCM6304AGrandstream 1,000 user IP PBX Voice System
75 in stock
Austin TX
75 In stock
  • SKU: UCM6304A
US$‎829.00
UCM6208Grandstream IP PBX Appliance, up to 800 users, 100 concurrent calls
Call for Availability
  • SKU: UCM6208
US$‎949.00
UCM6202Grandstream IP PBX Appliance, up to 500 users, 30/45 concurrent calls
Call for Availability
  • SKU: UCM6202
US$‎399.00