I finally was able to get the debug details from the phone itself. it appears the phone makes the call. the backend then tosses an exception/
/Z
Event code: 3005
Event message: An unhandled exception has occurred.
Event time: 3/18/2018 4:35:14 AM
Event time (UTC): 3/18/2018 8:35:14 AM
Event ID: b67b2f61b5bd4cfaaadce1cfd3bc33b8
Event sequence: 76
Event occurrence: 2
Event detail code: 0
Application information:
Application domain: /LM/W3SVC/1/ROOT/mobile-12-131658343668517450
Trust level: Full
Application Virtual Path: /mobile
Application Path: C:\zzz\mobile\
Machine name: zzzz
Process information:
Process ID: 7008
Process name: w3wp.exe
Account name: blah
Exception information:
Exception type: InitializationScriptNotFoundException
Exception message: The Ext.NET Mobile initialization script was not found.
at Ext.Net.Mobile.ResourceHandler.ProcessRequest(Http Context context)
at System.Web.HttpApplication.CallHandlerExecutionSte p.System.Web.HttpApplication.IExecutionStep.Execut e()
at System.Web.HttpApplication.ExecuteStepImpl(IExecut ionStep step)
at System.Web.HttpApplication.ExecuteStep(IExecutionS tep step, Boolean& completedSynchronously)
Request information:
Request URL:
https://zzzzzz:443/mobile/extnet/ext...57216cac6f3324
Request path: /mobile/extnet/extnet-init-js/ext-mobile.axd
User host address: zzz
User:
Is authenticated: False
Authentication Type:
Thread account name: blah
Thread information:
Thread ID: 52
Thread account name: blah
Is impersonating: False
Stack trace: at Ext.Net.Mobile.ResourceHandler.ProcessRequest(Http Context context)
at System.Web.HttpApplication.CallHandlerExecutionSte p.System.Web.HttpApplication.IExecutionStep.Execut e()
at System.Web.HttpApplication.ExecuteStepImpl(IExecut ionStep step)
at System.Web.HttpApplication.ExecuteStep(IExecutionS tep step, Boolean& completedSynchronously)
Custom event details: