NAT in MGCP gateway

Unanswered Question
Sep 28th, 2009

Hi all:

I have a 2851 as a MGCP Gateway and a CUCM and the deployment is working partially; because of duplicate subnet in two offices I teied to use NAT to reach IP phones from GW but it looks for real IP address.

NAT is supported on VOIP solutions? With real IP address I have no problems.

I will really appreciate your comments.


I have this problem too.
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Nicholas Matthews Tue, 09/29/2009 - 04:59

It's very likely that NAT is not changing the SDP in the MGCP packets. I don't know if the IOS firewall is MGCP aware or not.



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