Phone to computer problems

Problem description:how i chat with phone users? have a update to mercury?

Error code/error message:

What has been tried so far:

Messenger version: i use the WLM 8.5
my friend use mercury mensseger

Windows version: 10 friend: android 6.0

Did you even try to chat with him?

I don’t understand. what’s exactly happening?

Talking to your friends on Mercury should be as easy as adding them on their Escargot account.