Hi Brian.

It was my first thought when I saw the logs... but the strange thing is that I have no NAT problems if I configure an extension in default context like this:

<extension name="iptel">
   <condition field="destination_number" expression="^iptel(.*)$">
      <action application="bridge" data="sofia/internal/$1@iptel.org"/>
   </condition>
</extension>

With this configuration I call iptel[my_iptel_account] without any problem from my sip phone registered to freeswitch.

I'll double check the NAT configuration in sofia module but from the logs I see it was configured correctly using UPNP.

Thank you

Denis

Da: "Brian West" <brian@freeswitch.org>
A: "FreeSWITCH Users Help" <freeswitch-users@lists.freeswitch.org>
Inviato: Luned́, 27 febbraio 2012 3:28:51
Oggetto: Re: [Freeswitch-users] 401 Unauthorized in iptel external gateway

Its nat.  

notice the 401 
Via: SIP/2.0/UDP 192.168.1.2:5080:5080;rport=14802;branch=z9hG4bKjS09v88N9p59K

IT says I received you from 192.168.1.2:5080 but port 14802 so go fix your nat and fix your external profile with the right info/ip's in it.

/b
Sent from my hospital bed 
On Feb 26, 2012, at 8:14 PM, Vitalie Colosov wrote:

Maybe some explanation can be received from these lines:

    nta: received 401 Unauthorized for REGISTER (24810914)
    nta: 401 Unauthorized has fatal syntax errors
    nta: timer E fired, retransmit REGISTER (24810914)

Curious what are those "syntax errors" which other soft phones are able to overcome...
Maybe it does not like this message?

Warning: 392 217.9.36.145:5060 "Noisy feedback tells:  pid=868 req_src_ip=122.176.168.104 req_src_port=14802 in_uri=sip:sip.iptel.org;transport=udp out_uri=sip:sip.iptel.org;transport=udp via_cnt==1"




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