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What is SIP trunking?

Session initiation protocol (SIP) trunking allows any organization to upgrade its offline PBX to an internet-powered business phone system. Business leaders are using this technology to harness VoIP’s ...
It's a rare organization that completely cuts over to SIP trunks for 100% of their telephony services. A few weeks back, Matt Brunk posted an interesting entry about his experience with an outage at ...
Session Initiation Protocol (SIP) trunking is a service a communications service provider offers that uses the protocol to provision voice over IP (VoIP) and multimedia connectivity between an ...
Editor's note: Part three of our SIP Trunking Explained series looks at how much VoIP bandwidth you'll need to ensure high-quality SIP trunking services -- whether you're connecting to a SIP trunking ...