Public-Switched Telephone Network

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How SIP Trunking Works: IP-PBX vs Hosted VoIP PBX

By Nick Gowdy on October 22, 2009

IP-PBX and hosted PBX systems work in two very different ways from a SIP trunking standpoint. Both technologies interact differently with the Private Branch Exchange (PBX), Public-Switched Telephone Network, Internet Telephony Service Provider, and the Enterprise Boarder Element (EDGE).

Posted in Business VoIP, Hosted VoIP, Managed Services, SIP Trunking | Tagged EDGE, Enterprise Boarder Element, Hosted PBX, Hosted VoIP, Internet Telephony Service Provider, IP PBX, Public-Switched Telephone Network, SIP, SIP Trunking | Leave a response

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