<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 </P>
<P>i use ccm 4.1.3 in LAN. But also i made an aggrement with an isp so that i will use their backbone for international calls.</P>
<P>CCM is behind a FW.</P>
<P>what should i do on FW and CCM for route my international calls to the isp</P>
<P>1.....do i have to use static nat for ccm or if i use PAT will it be enough. They asked me whether with an ID or with an IP would i send my CCM calls.</P>
<P>2.... isp says they will use h323. So i will add isp 's gateway as h323 gateway and which ports should i open from firewall.</P>
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<P>thanks every1</P>
<P> </P>
<P> </P></div><br>
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