关于 Sip

sip.us screenshot

SIP.US provides SIP trunking service for IP-PBX systems and analog/digital gateways. Our service works with your existing Internet connection and supports any SIP-compliant device including; IP-PBX, SIP soft phones, analog telephone adapters or T1 digital gateways. Our SIP trunks are provisioned immediately and come with a free trial that includes 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 manage your SIP trunks and telephone numbers. Everything is done in a fully automated, self-service environment.