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What Is a Trunk Line and What Is Considered "Trunking"? What Is Primary Rate Interface (PRI) Trunking? What Is Session Initiation Protocol (SIP) or VoIP Trunking?
A trunk line is a circuit connecting telephone switchboards (or other switching equipment), as distinguished from local loop circuit which extends from telephone exchange switching equipment to individual telephones or information origination/termination equipment.
What is a Trunk Line? A trunk line is one specific connection or set of connections to a PBX. This may also reflect the number of phone calls that a trunking system can handle at the same time. Alternatively, a trunk line may denote specific derivations in a standard trunking service.
What is trunk and what is trunking in networking? A network trunk is a communications line or link designed to carry multiple signals simultaneously to provide network access between two points. Trunks typically connect switching centers in a communications system.
Trunks in telecommunication are links that carry many simultaneous calls; if there were no such things as trunk lines then a company would have to buy an telephone connection for every single extension that ran off its PBX. Instead, the Telecom company runs trunk lines to connect the PBX to the local Telecom exchange.
A trunk line is a communication solution that uses one main line to handle both inbound and outbound calls. This system allows businesses to handle multiple calls simultaneously without needing dedicated phone lines for each number.
A simple analog trunk line is a telephone circuit made of copper wire that runs from your local phone company's central office building to your business location. The phone company's central office building houses switching equipment that connects you to the public telephone network.
PBX Trunking is the process in which your PBX system merges data from multiple calls into a single set of packets to reduce transmission overhead.
SIP trunking is a method of delivering telephone and other communication services over the internet using the Session Initiation Protocol (SIP). It replaces traditional analog phone lines, connecting the private branch exchange (PBX) to the internet.
A SIP line connects a single phone or device to make VoIP calls over the internet. It enables one device to make and receive calls. A SIP trunk connects an entire business phone system or PBX to a VoIP provider. It lets the whole internal phone network make and receive calls over the internet.