Edit the created SIP server configuration to change some of the properties of your SIP server. You can edit the configuration of only one SIP server at a time.
Procedure
On the Configuration Server web portal, go to Administration > System > SIP Servers.
On the SIP Servers screen, select the required SIP server.
At the top-right corner of the screen, click .
The Configuration Server displays the SIP server configuration fields.
Modify the required settings.
At the top-right corner of the screen, click Commit.
The Configuration Server saves the SIP server configuration and redirects you to the SIP Servers screen.