Understanding SIP Details
Account Name - a label used to identify a specific VoIP account within the softphone app.
Display Name - the name that is shown to other users when you make a call or send a message.
Domain - the server address of the VoIP service provider.
Proxy - configure a proxy server to route SIP traffic between the softphone app and the VoIP server.
Auth Username - an identifier used for authenticating with the VoIP server.