Voip - Voice over IP

Voip – Voice Over Internet Protocol

Increase productivity and save on communications costs by installing a Grandstream Phone System with Computer TR Inc. This system enables employee mobility by allowing calls to be made and answered outside of the office, voice-mail, and faxes to be received via email, and branch offices to globalize and connect. With a Grandstream Phone System, your business can:



  • Enhance Productivity with Unified Messaging and Presence
  • Boost mobility and allow staff to work remotely
  • Install & manage easily via web-based configuration interface
  • Improve productivity with presence, desktop based call control and extension management
  • Receive & make calls via the standard PSTN using VoIP Gateways
  • Save on monthly call costs using SIP trunks, VoIP providers
  • Out of the box configuration for many VoIP providers, VoIP Gateways, and IP Phones.
  • Have hundreds of unlimited extensions and phone lines. No proprietary expansion modules needed!
  • Manage the phone system easily with ¬†web based configuration & status indication.
  • Receive voice mail via e-mail & see user presence
  • Create an auto Attendant (e.g. 1 for sales, 2 for support, etc.)