Multiple VoIP Phones - How?

[AndWei]

Hello!

The setting options are very limited as far as the firewall is concerned. Since you can't enable individual ports in general, but only forward them... therefore the question, how can I run multiple VoIP phones? 

Thanks for any tip and help!

[edinglas]

Tell me more about what you want to do?

I have experience in setting up VoIP solutions for home and business.