A SIP trunk, or Session Initiation Protocol trunk, is a digital cellphone line that makes use of the SIP protocol to attach a PBX or IP cellphone system to a public switched phone community (PSTN). SIP trunks are sometimes utilized by companies to interchange conventional analog cellphone traces, as they provide an a variety of benefits, together with decrease prices, elevated flexibility, and improved name high quality.
SIP trunks are sometimes less expensive than conventional cellphone traces, as they don’t require the usage of bodily copper wires. This could save companies a major amount of cash on their month-to-month cellphone payments. SIP trunks additionally supply better flexibility than conventional cellphone traces, as they are often simply added or eliminated as wanted. This makes them splendid for companies which are experiencing speedy development or which have fluctuating name volumes.
