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Display name
: Configure the display name, it allows the
English alphabet input (does not support Chinese).
Domain realm
: Configure the SIP domain name
(You do not need to configure it because the
system will configure automatically).
Proxy Server Address:
Configure the proxy server address.
Proxy Server Port:
Configure the proxy server address.
Backup Proxy Server Address
: Configure a backup server
address. When the primary server is not connected, you can use
the backup server for calling communications (The backup server
can be connected only when the primary server cannot connect);
When the primary server is connected, the phone will
automatically switch back to the primary server to communicate.
Backup server port: Configure the backup server port.
Backup Proxy Server port
: Configure the SIP register proxy server
port.