Last modified: February 23, 2021
Asterisk call-center SIP Trunking providers are VoIP companies that offer an online system that allows internet calls to take place from an IP-PBX cloud server and connects phone calls to the PSTN, or Public Switched Telephone Network.
“SIP” stands for Session Initiation Protocol, which is basically a protocol to launch voice calls or video calls from the internet to a “SIP device” such as a PBX or a softphone installed on a computer or a mobile. SIP trunking providers are used by businesses around the world to deliver voice from the internet through softphones or an IP-PBX.
Why would someone want to engage in SIP Trunking? For the same reason anyone would want to use any other form of VoIP; convenience, accessibility and price. Internet based calls are often very convenient and affordable, and can be done anywhere there is an Internet connection.» Read more: Vicidial SIP Trunking providers with full tech support »