I bought calibre companion (for Android) and I'm quite happy using it. But now I have a small problem:
I want to request books not just from at home, but from a network outside using mobile connection. I opened a VPN in my local network (working, checked) and I get an address from my local network (checked) and the PC with Calibre is connected (checked) with a fixed IP address (checked). Within CC I setup a fixed Address (checked) and get a connection within my local network without a problem. But when I'm connected just via mobile network, not with WLAN, I now get a message, that I have to be connected with WLAN (once I try to connect within CC).
I also have problems connecting, when using a VPN with a WLAN Network - seems as it contacts only the local Network, not via VPN. As VPN I'm using the standard Android VPN or the OpenVPN with same (unsuccessfull) results.
Any Idea/help? Very much appreciated. Thank you very much!