Please download below Windows PC utility to debug your issue.

c2j_utility_800_beta1.exe | |
File Size: | 4424 kb |
File Type: | exe |
If your issue does not resolved by using this release, please follow below instruction submit debug trace.
Debug version:
Optimize memory structure with media audio enable (google assistant required using media audio)
Debug trace instruction (for debugging)
1. click "Debug Trace" to enable the trace.
2. Begin to make the call with connected analog phone (start an incoming call to ring your analog phone).
3. After the call is connected or it failed to make the call, click on "OK" on the pop-up Window to stop the debug trace.
The trace file "Cell2Jack.trace" will be on the same directory as the application.
Debug version:
Optimize memory structure with media audio enable (google assistant required using media audio)
Debug trace instruction (for debugging)
1. click "Debug Trace" to enable the trace.
2. Begin to make the call with connected analog phone (start an incoming call to ring your analog phone).
3. After the call is connected or it failed to make the call, click on "OK" on the pop-up Window to stop the debug trace.
The trace file "Cell2Jack.trace" will be on the same directory as the application.