An IP PBX is a private branch exchange is a telephone switching system that switches calls between VoIP users on local lines. It can also switch calls between VoIP user and traditional telephone user. It is a unified communication system or a business phone system which act as a central switching system for phone calls within a business.

The IP/ PBX includes a VoIP Gateway which has the directory of all phones/users and their corresponding SIP address and thus it helps in connecting an internal call or route the external call via VoIP gateway to destination.

  • Network Interface: 1*10/100M LAN port, 1*10/100M WAN port
  • USB Port: 1×USB 2.0 for external storage or disaster recovery system
  • External Storage: 1×SD slot, support up to 128G
  • Telephony Interfaces: FXS/FXO interface, Optional
  • Storage: 16GB Onboard Flash
  • RAM: DDR3 1GB
  • Power Consumption: 12V/1.3A, 16W Maximum
  • Operational Temperature: 0°C to 50 °C
  • Storage Temperature: -20 °C to 65 °C
  • Here we discuss some of the features of IP/PBX which are included:

  • VoIP Ready: Make sure that your IP/PBX can support IP stations and IP trunks. Here the SIP is the current de facto standard, so you have to alert while buying a phone system that doesn’t support it.
  • Voice Messaging: Voicemail was an optional add-on IP/PBX. Look for PBXs that help in forwarding the voicemail messages to your email as attachments.
  • Mobility: Now a day’s mostly the businesses have at least some road warriors who spend much of their time out of the office. You have to make sure that your PBX supports mobility features like Find Me / Follow Me, remote IP extensions and fixed / mobile convergence.
  • Conferencing: It is one of the best ways to cut down on travel costs in teleconferencing. You have to make sure that your phone system has native support for true multi-party conferences.