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Configuring SIP status code mappings
Select Voice Management > Call Connection > SIP Connection from the navigation tree, and click the SIP
Status Code Mapping tab to access the page as shown in Figure 673.
Figure 673 SIP status cod
e mapping configuration page
You can select the values in the PSTN Release Cause Code fields. You can also click Load Default Value
to restore the default mappings between PSTN release cause codes and SIP status codes.
SIP connection configuration examples
Configuring basic SIP calling features
For information about how to implement direct SIP calling through static IP addressing, configure domain
name involved SIP calling, and configure proxy server involved SIP calling, see "Basic settings."
Configuring caller ID blocking
Network requirements
Router A and Router B work as SIP UAs. Use Telephone 1111 to call telephone 2222. It is required to block
calling number 1111.