After much research and trial and error I've gotten a vonage softphone account working through a NAT firewall... I'll be updating the wiki with this info after I see what sort of feedback I get from the list. I don't know that this is the only way to make it work.. but this way does work for me.

I'll start with the NAT setup... it shouldn't matter.. but fyi I'm using a linux firewall with iptables and the fwbuilder package to create the rules.

The following UDP ports are allowed in.. and forwarded to your internal asterisk box.

8000 - 8020
5060 - 5061
10000 - 20000


in sip.conf

[general]
externip = <your external address>  (possible dns name too?)


; While not required... I found the following useragent string from the softphone they provide... ; it does not seem to make a difference if you use it.


;useragent = "X-PRO Vonage release 1102t"

; example
; register => 17045555555:[EMAIL PROTECTED]:5061/vonage-in

register => <your full softphone number including 1>:<case sensitive password>@sphone.vopr.vonage.net:5061/<incoming call context>


; Next.. the specific vonage entry in sip.conf

[sphone.vopr.vonage.net]
secret = <your password>
username = <full softphone number>
insecure = very
disallow = all
allow = ulaw
port = 5061
host = sphone.vopr.vonage.net
nat = yes
type = peer
canreinvite = no
dtmfmode = rfc2833
fromuser = <your softphone number>
context = vonage-in


Then... in extensions.conf I have the following example for incoming calls....


[vonage-in]
exten => 1NXXNXXXXXXX,1,------ some acton



For outgoing calls I use something like this...

Dial(SIP/[EMAIL PROTECTED])


I use macros in my extensions file... but that's the basic idea... With these settings I'm able to make and receive calls using a vonage softphone account from behind a NAT firewall. I hope that is of some use to others out there...


Jared



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