RE: VOIP Over NAT

From: Ian Stong (istong@stong.org)
Date: Tue Nov 14 2006 - 09:04:29 ART


Yes it can work using NAT. I've done it with one to one Static NAT through
a PIX and it's H323 proxy and it worked fine. You could PAT if you only
needed to call out and not in - otherwise you need Static NAT :)

Ian
www.ccie4u.com

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Nouman, Khan
Sent: Tuesday, November 14, 2006 3:34 AM
To: ccielab@groupstudy.com
Subject: VOIP Over NAT

Hi,

Just off the topic.

Can somebody provide me some reference documents about how voip works
over NAT.

Can an IP Phone at remote site register with central site Cisco
CallManager over PAT or NAT ?????

Waiting for response

Regards

Nouman



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