how to open port for IP Phone using SIP protocol with IPTable on RadHat
 

Dear all support,

I configure IPtable on RadHat as firewall and i want to allow for IP Phone using SIP protocol.

I already allow port 5060 for IP Phone using SIP Protocol and I can call out....

The problem is...
1. I can call out and in but when they pick up my call they hear what i'm saying but i can't hear they are saying.

could anyone give me the solution how to solve this problem????

Thanks and waiting ur reply........!!!!!!

Youphak

Moved to Networking.

Hopefully you won't abandon this thread, like you did your previous one.