QNAP Asterisk addon

Hello everyone,

I am not sure if this is the right place to post this, but the qnap forum for the Asterisk dev hasn’t answered a question I posted there for months and I was hoping someone here might be able to help me with it.

I have a QNAP NAS 212 Turbo and (as an afterthought) found it supported Asterisk. Now, I don’t have a VoIP system anymore and do everything through RJ-11 analogue phones. My set up is 1 line with 3 extensions all on the same line. Could I purchase a linux driver embedded USB modem and hook it into the loop with the QNAP Asterisk installation?

Link to the wiki for it: wiki.qnap.com/wiki/Asterisk

Thanks! Sorry again if this is the wrong forum for this post.