SIP trunking is a know-how that permits companies to attach their telephone programs to the general public switched phone community (PSTN) utilizing an Web connection. This eliminates the necessity for conventional telephone strains and gives a number of advantages, together with value financial savings, elevated flexibility, and improved name high quality.
SIP trunking relies on the Session Initiation Protocol (SIP), which is a normal for initiating, sustaining, and terminating multimedia periods over the Web. SIP trunks are digital circuits which can be established between a enterprise’s IP PBX and a service supplier’s community. As soon as a SIP trunk is established, the enterprise could make and obtain calls as in the event that they had been utilizing conventional telephone strains.