SIP US provides SIP trunking service for IP-PBX and analog / digital gateways. SIP US services work with your existing internet connection and support any SIP-compliant device be it IP-PBX, SIP softphone or analog telephone adapter or T1 digital gateways. Our SIP trunks are provisioned immediately, and come with a free trial with 60 minutes of calling, allowing you to ensure that everything works to your satisfaction. We have a simple but powerful online control panel that enables you to easily ask for your SIP trunks and telephone numbers.

Industry: Telecommunications
Company size:  11-50 employees
Type:  Privately Held
Founded:  2013
Specialties:  SIP Trunking, Asterisk, VoIP, and Telecommunications.