Hello All, my Cisco 1760 router acts as a voice gateway for my CUCM 12.0 server in my lab environment. It has a sip trunk registered to it and outbound calls are perfect but incoming only  works for about an hour then stops working. My ITSP says that...

Hello, My Cisco CSR1000v Blocks all incoming SIP invites and when it does work i get one way choppy audio.  

Hello, My CSR1000v blocks all outbound data, For example I can hear a caller but they can't hear me. I also can't ping things like google My config is attached below