Benefits of an IP PBX from 1Voice. Each IP PBX is customized. Based upon the needs of each customer, we are happy to look through our range of IP PBX systems and assign the best fit. Easy installation. Unlike a traditional phone system, an IP office phone system is designed to be easy to install and provides you double the number of features. The IP Phones simply connect to a standard Internet jack at the back of the box, eliminating the need for new wiring in your office. Full control. The IP PBX allows you to benefit from the many advantages of VoIP technology while keeping your phone system on-site, within the reach of your IT team. Easy management. The web-based configuration interface makes the IP PBX easy to manage without the intervention of specialized technicians. Decreased costs. Compared to traditional office phone systems, an IP PBX allows for savings on phone lines and long distance or international calls thanks to affordable SIP Trunking offers. Advanced hardware. IP Phones and softphones present advanced features such as IM & presence, web browsers, etc.