Hi All
We have a situation with a client where they have an Expressway cluster 2 x ExpC and 2 x ExpE split across two datacentre, each datacentre has different ISP's. If they have a internet outage at one of the datacentres, 50% of the outbound video traffic is lost. The CUCM has one SIP trunk with the 2 ExpC IP's so is the Expressway not able to determine an ISP outage and if not how are 50% of the calls getting through, does the Expressway load balance between each node in the cluster and if so is there any way to change this to cater for an ISP outage?
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