[cisco-voip] SCCP NAT Question

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Have phones being NAT'd that continue to reboot as if they lose registeration. Router is a Cisco 2811 running 12.4(24)T4 Adv Ent Services. There is NAT between the CallManager and three 7941 SCCP phones on the LAN side of the router. The phones are running SCCP 8.3(5). The router is doing PAT using its public IP'd interface. An IP inspect policy set to inspect SCCP is applied on the egress direction of the public IP'd interface. If the phones are placed on the same IP subnet as the outside interface with public IPs, the register and maintain registration. So, this WAN segment has full IP access to the CM. Any advise or expirience with over coming this issue.
 
-Pete


      
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