Call Conferencing

[avi_mohod]

Hi,

Please let me know which ports in firewall to be open so that phones placed across the firewall can due conference call with phones inside the firewall.

[thisisshanky]

conf call has nothing but rtp stream, and sccp for control. depending upon who the conf. bridge is (software means the call terminates at the Callmanager, while h/w bridge may be a 6608 or IOS router). You may want to match the source/address destinations for the above devices.