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Unread 02-13-2007, 05:07 AM   #24
p2pvoice
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Default Will "new symmetric NAT setting" work for ATA behind a Zyxell symmetric firewall?

Martin:
This is a very impressive service!
I had had registered with Voxalot some time ago but didn't understand the POWER of this service until now. Today, I spent most of the day reading/testing tutorials.

One particular item - symmetric NAT handling - in this changelog caught my attention:
Quote:
Originally Posted by martin View Post
VoXaLot Release Notes - 20070122
================================
New symmetric NAT handling setting

a). A new field has been added to the member details page that allows members to turn on/off VoXaLot NAT handling. This option is useful for disabling NAT handling for non symmetric NAT de vices such as the Cisco 7961G.

Note: If unsure, please leave this setting to "Yes"
I have many Grandstream ATAs, that are behind common SOHO router NATs, working well with my Asterisk server. However, one particular router - Zyxell Prestige 660HW-61 - is causing major headaches. So, I wanted to register this HT286 behind Prestige 660HW-61 with Voxalot and see how it works.

Prestige 660HW-61 apparently has a symmetric NAT/Firewall. Will an HT286 behind Zyxell Prestige 660HW-61 router work with Voxalot?

Do I have to set an "Outbound Proxy" to work with Zyxell?

If so, what is the relavent setting for HT286?

One more thing: I didn't quite understand "symmetric NAT handling capability" that is useful for "disabling NAT handling for non symmetric NAT de vices". an you please expand on this?
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