Here is possible to visualise the SIP4.20 address list which have already been configured. When inserting a new one, the page generated asks for the following data:
Name: Server name;
SIP server address: SIP server IP or address;
After inserting the data, it is necessary to click the button no Insert to confirm the insertion of the address. The next step is to register accounts to the local SIP server. Press Insert to do this;