Re-assign Serviio Listening Port?

I am trying to remotely connect my iPhone to 2 different Serviio servers on my mac: one on the host machine (macbook pro) and the other in a Fusion virtual machine running on that Macbook pro (running windows xp), . I am able to successfully recognize and connect to both instances of Serviio via wifi. However, when I try to connect to serviio remotely through my public ip address, my modem will not allow the same port (8895) to be opened (port-forwarded) for 2 separate devices (the modem "sees" the Fusion Virtual Machine as a separate device) as it creates a port conflict.

Is there a way to re-assign the port for one of my serviio servers? To choose a different listening port, other than 8895?

Thanks in advance for any insight or workarounds.

[zip]

There is not a solution within Serviio. Not sure if you could do some magic within the OS itself.

[will]

Can you not forward port 8895 -> machine1:8895 and 8896->machine2:8895

Most routers allow you to use different port numbers (e.g. I have an ssh server, which is on 22 locally, but something entirely different externally).