SIP trunking enables the end point's PBX (Phone Exchange System) to send and receive calls via Internet. As SIP is applied for the signalling protocol for multiple real-time application, SIP trunk is able to control voice, video and messaging applications.
Session Initiation Protocol (SIP) trunking is a service offered by a communications service provider that uses the protocol to provision voice over IP (VoIP) connectivity between an on-premises phone system and the public switched telephone network (PSTN). SIP is used for call establishment, management and teardown.
The definition of SIP trunking is a Voice over Internet Protocol (VoIP) based on session initiated protocol (SIP), which enables internet-based telephony vendors to provide telephone services and unified communications to customers with SIP-based private branch exchange (IP-PBX).
Read our guide to find out what sip trunking is, its advantages and how to move from PSTN to. This usually means you end up with expensive extra capacity.
SIP trunking is a method by which business phone systems can operate using an internet connection. . If you're unsure what any of this means, don't worry.
If you currently have a VoIP phone system or PBX (Private Branch Exchange) that supports SIP (Session Initiation Protocol), then SIP trunking can be a means of .
SIP trunking is a form of telephony that is gaining real traction in the business world.. Which basically means that if you've already invested in expensive PBX