PBXs

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

3 Products

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