Symptom:
Screen goes blank when connected USB wireless Keyborad mouse during call

Conditions:
Description: Screen goes blank when connected USB wireless combo Keyborad & mouse during Audio call and video call

Steps to reproduce:

1. Register endpoint to CUCM
2. Make call between 2 endpoints.
3. Connect/disconnect USB wireless key board and mouse during call in progress.

Expected behavior: Their should not be any kind of disturbance or screen flickering when USB device is connected during call in progress.

Actual Behavior: When USB device is connected during cal (Audio), the phone app screen goes blank. Screen shots attached for the same.

Note: No issues observed when wired USB key board and mouse is connected during call.

USB Device used for testing:

Logitech Wireless USB Mouse - Model no - M210
Logitech Wireless USB Keyboard - Model no - K260