Single Number Reach is not working! Only local phone rings!

My environment: UC Manager 7.0.1.11000-3

One of the common area that you will miss out is the “Remote Destination Profile” configuration.  Make sure the “Rerouting Calling Search Space” contains your partition that is used for outgoing call.  Check what is your partition used in the outgoing call route pattern and include it into the Rerouting CSS!