Solved Number you specified has active conversation with extension 801 already

[Charlie3c]

Someone please help me.

Using: Version 20.0 Update 2 (Build 715 Release)
Flowroute for SMS and voice

Disregard this message. I found the solution. Thanks to all.

 

[TheodorosG_3CX]

Glad to know that you resolved your issue.
Always note that you need to press the Dealt With for the conversation to be closed and start a new from the same number.