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

youphak · 05-18-2011, 05:30 AM

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

win32sux · 05-18-2011, 10:02 AM

Moved to Networking.

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