VoIP.ms SIP Trunk
To connect your VoIP.ms DID number you need to create a Sub-account in your VoIP.ms portal:
Select User/Password Authentication, and specify Username and Password that will be utilized for SIP registration.
Then, in your Ringotel portal, create a new organization and connection. In the connection settings, select Connect to a SIP Trunk Provider and specify the preferable VoIP.ms POP server address and DID number. Then check the “Registration” box and specify VoIP.ms sub-account credentials (Username/Password):
Lastly, click the Next button and create Ringotel users who will be able to make and receive calls via the created SIP connection.