i had tested ,if there is a firewall between two client ,the call can not build,why ?
what port spark used ,when it calling anthoter client ?
Thanks!
i had tested ,if there is a firewall between two client ,the call can not build,why ?
what port spark used ,when it calling anthoter client ?
Thanks!
it only computer call computer, not run sip phone
i had iopen media proxy ,but still can not always show :
“Voice chat ended:No Media Received. This may be caused by firewall configuration problems.”
what need i do on my firewall ?