NAT and VoIP

[s.soporie]

I have a potential customer loking for implementing VoIp over the ADSL connection foe TollBypass. The router have NAT running. I remember reading NAT is a problem for VoIP, what can be done to fix this .

How about creating a VPN and running VoIP.

Please advise.

[b.speltz]

As you have guessed, the VoIP over ADSL works but when used with NAT, you may have some issues. You can use VPN instead of NAT.It is more secure also.To learn more about VOIP over VPN, please refer:

Delivering High Performance VoIP Over A VPN

http://www.greatcommunication.co.uk/pdf/VoIPVPNConcepts-04-06-01.pdf

Hope this helps

[chuck-larrieu]

as a point of discussion and illumination, if all I am running over my internet connection is voice, and not otherwise connecting to my corporate network, what security issues should I be concerned about?