Receive calls via SIP
To connect your Sonetel phone numbers to a SIP-based server, across the Internet, follow these instructions.
Click on a phone number in the list, and then select Call Forwarding.
In the section Send calls to select SIP-address.
In the text field, enter the SIP address to which you want to send the incoming SIP calls.
You can enter the SIP-address in any of the following formats: