A flick on the liberty pro cancels calls, that’s normal?
Hi there! So sorry to hear you’re running into this issue — that’s definitely frustrating. 
To help you out properly, could you shoot an email to service@soundcore.com? Our support team can dig into your specific case and walk you through troubleshooting step by step.
When you reach out, it helps to include:
Your order number (if available)
The exact model you’re using
A short description of what’s happening
Thanks for your patience, and we’ll get this sorted for you!