for long distance carrier connection

Unanswered Question
Apr 3rd, 2007
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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

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