There will be at least three external interested parties to the SIP trunk implementation -- IP PBX/UC vendor, session border controller (SBC) vendor, and SIP trunk provider. In addition, there will ...
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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 ...