P-dual-info Header Appearance Customizing the P-Dual-Info header is performed globally from the sip config. To configure how the P-dual-info header appears: In Superuser mode, type configure terminal and press Enter. ORACLE# configure terminal Type session-router and press Enter to access the system-level configuration elements. ORACLE(configure)# session-router Type sip-config and press Enter. The system prompt changes to let you know that you can begin configuring individual parameters. ORACLE(session-router)# sip-config ORACLE(sip-config)# Type options followed by a Space. After the Space, type the P-Dual-Info header information in the following format: +dual-info=”<header-name>” For example: ORACLE(sip-config)# options dual-info=P-Dual-Info Save your work using the ACLI done command.