For proprietary conventional PBX you have to call vendor company. They send an engineer and add/modify features in PBX.

Our VoIP service works on Smart Phone or any Wifi IP Phone. All you need is just an internet connection. It could be your GPRS or Wifi connection.

The alternative to Analog telephone is VoIP Phone or IP Phone. So what are VoIP Phones and how they are better than traditional telephone. Here are some features and benefits that makes VoIP Phone better choice over Analog Phone.

VoIP is an abbreviation for Voice over IP, or in plain words It is a telephone running over Internet, it could be running on home router, GPRS, Wi-fi or WiMax.