SIP.US  provides SIP trunking service for IP-PBX’s and analog/digital gateways.  Our service works with your existing Internet connection and supports any SIP-compliant device -- be it an IP-PBX, a SIP soft phone, or even an analog telephone adapter or T1 digital gateways.  Our SIP trunks are provisioned immediately, and come with a free trial with up to 60 minutes of calling, allowing you to make sure everything works to your satisfaction.  We have a simple yet powerful online control panel which enables you to easily mange your SIP Trunks and telephone numbers.   Everything is done in a fully automated, ‘self-service’ environment.

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SIP.US

SIP.US' headquarters in Alpharetta, United States

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