Use this flag to allow the usage of different IP-Port as contact for each active registration towards Cisco Unified Communication Manager (CUCM). The SBC uses either an independent media port range configured per IP Trunk Group (IPTG), or a new port from the system-wide media port range if no independent media port range is configured per IPTG.
The SBC supports this feature when: Disable usePortRangeFlag flag before performing the Live Software Upgrade (LSWU). Feature limitations and restrictions: This feature is supported only for UDP. Disable the flag passCompleteContactHeader to use this feature. Do not use this feature if two Interfaces are configured on the same Interface Group. Disable this flag before performing LSWU.SipSigPort
is configured on egress.SipSigPort
is the same as the associated LIF IP.
% set addressContext <name> zone <name> sipTrunkGroup <name> signaling usePortRangeFlag <disabled | enabled>