Basic Setup 
 
Port: The port to use for VOIP service.  
Register Server: Address of the register server. 
Proxy: Address of the proxy. 
Outbound Server: Address of the outbound server. 
Port: Port for to use for the outbound server. 
 
Backup Register  
Server: Backup address of the register server. 
Backup Proxy: Backup address of the proxy. 
Backup Outbound Server: Backup address of the outbound server. 
Backup Port: Port for to use for the backup outbound server. 
 
Register Life Time: Lifetime of the registration process.  
Enable Link Test: Tick to enable testing of VOIP link. 
Link Test Interval: The number of seconds between VOIP link tests. 
Retry Interval The number of seconds before retrying registration. 
Enable P-Asserted-Identity: Tick to enable P-Asserted-Identity. 
Allow SIP Source: IP address of the allow SIP source. 
 
Connection 1  
Enable: By default, the box is ticked 
Username: Enter the username as provided by the VoIP/SIP provider. 
Password: Enter the password as provided by your VoIP/SIP provider. 
URI: Enter the URI (Uniform Resource Identifier) if applicable to your service. 
Instance ID: Enable SIP instance ID to register the same account on multiple devices linked to the DWR-
956M 
 
Click Apply to apply the settings and click Refresh to refresh the page.