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NAT in MGCP gateway

arturo.reyna
Level 1
Level 1

‎09-28-2009 09:08 PM - edited ‎03-13-2019 06:40 PM

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.

TIA.

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Nicholas Matthews
Level 9
Level 9

‎09-29-2009 04:59 AM

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.

-nick

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