Thanks for this . I also have another scenerio where CCM is connected to MGCP gateways and CUBE. My aim is to failover from my MGCP gateway ( connects my PSTN ) to my SIP trunk ( SIP PROVIDER) and vice versa.
Will configuring multiple route groups on the CCM( i.e Route-Pattern ---- Route-List------ 2XRoute Groups) cater for this failover scenerio ? The 2 route groups will be the CUBE and the MGCP gateways respectively.
I am concerned how the call manager will know when the sip trunk has failed on the CUBE ( SIP trunk to provider ) so that it can change to the MGCP gateways ( PSTN ).