@ceaser333 As soon as you pick up the phone, you should hear something like "Extesnion XXXX is in Emergency. See the Web Interface for more information" blah blah blah.
The fact that your cellphone receives the call means that the CER phone notification piece works, but the no audio issue is related to either region settings in CUCM, or codec/media binding issues on the CUBE side.
Just to test, can you replace the cell phone number with an IP Phone extension and see if there is audio?