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Figure 676 SIP status code 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.
Figure 677 Network diagram
Configuration procedure
1. Configure basic voice calls: configure a local number and the call route to Router B.