This section explains the Number portability attributes configuration for Egress Ip Attributes. On the SBC main screen, choose a path: The Number Portability Attributes window is displayed. Select the DEFAULT_SIP from the IP Signaling Profile dropdown to view the Number Portability Attributes for the SIP Trunk Group. Trunk Provisioning - Egress IP Attributes SIP Number Portability Attributes Egress IP Attributes Number Portability Attributes Parameters Parameter Description Use the following options to specify whether the SBC and ERE SIP proxy/redirector send the SIP NPDI parameter in the egress INVITE message when LNP translation is performed by ERE call processing or the preceding switch. Make the required changes and click Save.To View and Edit Number Portability Attributes
Npdi Options Disable Rn Enable this flag to prevent the SBC and ERE SIP proxy/redirector from sending the SIP rn parameter in the egress INVITE message when an LNP translated number is present. When the flag is disabled, the SBCand ERE SIP proxy/redirector send "rn=NNNN" in the userinfo portion of the Request URI, where "NNNN" is the LNP translated number.