These can be a real hurdle when setting up VoIP, help others by posting your configs, tips and tricks or simply ask others for help if you're stuck.
User avatar
By WelshPaul
No a NAT outbound proxy does not need to be used unless you experience firewall or registration problems.

[The usual symptoms are one sided calls or calls being sent directly to voicemail.]

More information here:

Firewall Issues?
User avatar
By WelshPaul
kylerlittle wrote:Hmm, that's interesting. Why do you think it shouldn't unless you experience firewall and registration problems though?
Because Firewall and Registration problems are almost always NAT related, if it's ain't broke... :P

Look at it another way - If you're sitting in front of your TV watching a cool movie that you can hear just fine, would you turn the volume up full just because the TV has an option to do so ?
Who is online

Users browsing this forum: CommonCrawl [Bot] and 0 guests

Sorry I mean to say if I do not stop autoboot the …

How to Evaluate an IP Phone System?


Create a call group and add the three extensions t…

Landline bridge advice

Thanks for tremendous efforts on this Paul. I'm s…