i got ccm 4.1.3 and 2851 router which has mgcp connection with ccm.
also i made an aggrement with an isp voice carrier for my long distance calls.
i have already have connection with this isp fpr my internet.
my CCM is behind of the FW/
isp router > FW > my lan (ccm and ip phones ..)
so how can make design/
SHould i make static nat for ccm or should i use 2nd ethernet interface of ccm with public ip and put 2nd ethrnet front of the firewall?
also how the ip phones will senn udp packets to the isp s h323 gateway.shoull i make nat for ip phones? which ports on the fw for ip phones?
thanks a lot