What is SIP trunking?

Session initiation protocol (SIP) is the technology and the standard that empowers Voice over Internet Protocol (VoIP) within modern businesses. SIP trunking is the process by which this technology is applied to VoIP systems: SIP trunks replace traditional telephone trunks to bring enhanced communications to both IP networks and legacy systems. Learn more about how Vonage can help your business with SIP trunking.

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