SIP (or Session Initiation Protocol) trunking is a popular protocol for VoIP that gives multimedia functionality and is the most commonly used system on IP networks. It is predicted to supplant PSTN phone lines, linking PABX telephone systems to mobile, national and international networks. SIP is very versatile and can carry russia telegram out all the functionality that is part of traditional phone lines, such as call forwarding, call holding and call transfers. In addition, users can join or leave calls at any time, and video connections can be initiated and terminated at any point.
SIP trunking providers generally work in a similar way to the traditional telecoms providers by leasing numbers and lines to their users. However, there is no requirement for physical hardware to be installed or maintained and the charges for calls are significantly lower. Connections are made using a line for SIP trunking only, combining SIP trunking with other IP functions on a dedicated line, or using a VPN (Virtual Private Network) on the internet. With SIP trunking, the business only pays for the lines that it requires, and with scalability, there is the provision to deal with call volumes increasing. Capacity can also be shared over a number of sites.
Telecoms technology is moving fast. It seems only moments ago that VoIP was a revolutionary new way of communicating. Some of us are using it now without even realising it, as for example, Facebook included free VoIP calls in its Messenger service in 2014. Legacy networks are becoming a thing of the past as the move continues to networks moving data in packets. VoIP is clearly here to stay.