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sls -> ISA 2006 + OCS 2007 issue with AV (17.Jun.2008 6:51:15 AM)
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Have configured ISA in a three-leg setup with the OCS edge server external interface connected to the perimeter network.
The IP range for the edge is a public routable range and facilities such as access edge are working fine with this config.
We also use this ISA for site to site VPN, one of the things which traverse the tunnel is IP trunking between our Mitel phone platform.
We've found that when we configure the access rule between the external and perimeter network for the STUN traffic to the AV edge role that the Mitel IP calls within the VPN tunnel will fail to set p connectly (the local site can be heard by the remote party but not vice versa) every time I disable this rule the calls will work once again.
The mitel systems aren't accessible externally, they're definitely traversing the VPN tunnel - does anyone have any ideas why an access rule for the external adapter is affecting the voice traveling over the VPN? Are there any workarounds/fixes for such behavior?
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