Registration Cache Deletion Configuration You can apply suppress-reinvite to the sip-interface facing the User Agents whose re-INVITEs are to be responded to locally. To enable Registration Cache Deletion: In Superuser mode, type configure terminal and press Enter. ORACLE# configure terminal ORACLE(configure)# Type session-router and press Enter. ORACLE(configure)# session-router ORACLE(session-router)# Type sip-interface and press Enter. If you are adding this feature to a pre-existing configuration, you will need to select and edit it. ORACLE(session-router)# sip-interface ORACLE(sip-interface)# tcp-conn-dereg—The delay (in seconds) that is used to determine when to terminate the TCP connection for a user that has been removed from the registration cache or changed location. This feature can be disable by setting the value to zero. ORACLE(session-agent)# tcp-conn-dereg 5300 Save your work.