Essentials Guide Oracle USM Supporting the IMS Core ACLI Instructions Maximum Number of Contacts Maximum Number of Contacts To configure a sip-registrar with a maximum of 10 contacts per AOR and a mode of overwrite: From superuser mode, use the following command sequence to access sip-registrar element. ORACLE# configure terminal ORACLE(configure)# session-router ORACLE(session-router)# sip-registrar ORACLE(sip-registrar)# select Select the registrar you want to configure. Specify the number of contacts. ORACLE(sip-registrar)# max-contacts-per-aor 10 ORACLE Specify the contact mode to overwrite. ORACLE(sip-registrar)# max-contacts-per-aor-mode overwrite ORACLE Type done and exit to complete configuration of this sip-registrar configuration element.