<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:times new roman, new york, times, serif;font-size:12pt"><P>hi<BR>i got ccm 4.1.3 and 2851 router which has mgcp connection with ccm.<BR>also i made an aggrement with an isp voice carrier for my long distance calls.<BR>i have already have connection with this isp fpr my internet.<BR>my CCM is behind of the FW/<BR>isp router > FW > my lan (ccm and ip phones ..) <BR>so how can make design/<BR>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?<BR>also how the ip phones will senn udp packets to the isp s h323 gateway.should i make nat for ip phones? which ports on the fw for ip phones?</P>
<P>thanks a lot</P></div><br>
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