This option is valid if there is no need to attribute a specific IP address to the telephone. You can add a telephone by fulfilling the field relating the name and the access password to the telephone. This supposing the DNS is working correctly.
In this menu you can see a list of the registered SIP telephones. To register a telephone:
Insert;
Phone: Insert the name of the telephone to register;
Password: Insert the access password to the telephone;
Retype Password: Reinsert password;
Caller ID: If you want to mask the caller ID insert one.
Insert.
Example at Figure 5.45.