SIP Trunking Transform your on-premise PBX into a cost-effective calling powerhouse Learn more Request free demo What is SIP Trunking? SIP trunking uses VoIP to move your Private Branch Exchange (PBX) system’s call traffic over an internet connection. This way, your PBX connects with a Public Switched Telephone Network (PSTN) without traditional phone lines. No … Continue reading Sip Trunking