Computer to computer Call not Working. Error: session closed due to no media received. this may be caused by firewall configuration problems

Hello Everyone,

I am facing problem with Spark Computer to computer voice call. Presently i am using Spark version 2.6.0 on windows 7 and Xp OS. and open fire version 3.7 on wndows 2008 server. when i try to call computer to computer it give error " session clodes due to no media received. this may be cased by firewall configuration problem," but i turned off OS firewall and both computers are in same intranet network [un mamaged],

How Can i resolve this problem.

Thanks in advance,

Hello, i have the same problem. If you use OS XP to OS XP is work. Try this.

Have problem if you use OS Vista/7

Sorry for my english.