[asterisk-users] Ekiga can register but not my IP phone

[Benoit Chabrier]

Thanks Alejandro, you were right it was just a NAT problem ! i add a
stun server in the phone configuration and it works :)

2010/11/19, Alejandro Imass <ait at p2ee.org>:
> On Fri, Nov 19, 2010 at 7:28 AM, Benoit Chabrier <chab at chab.info> wrote:
>> Hello,
>>
>> I have a Sip phone (Siemens C470IP) which works perfectly with
>> different VoIP providers (iptel, betamax, ovh...). It also worked well
>> with my testing server (ubuntu and inside the LAN).
>>
>
> I am assuming you mean Asterisk on Ubuntu inside the LAN
>
>> But now the problem i have is that the hardphone doesn't connect to my
>> dedicated server (debian lenny / Asterisk 1.6.2.13). The strange thing
>> is that ekiga can connect to the same asterisk server with the same
>> SIP account.
>>
>
> Is this outside the LAN?
> Is there NAT in between?
> SIP is a pain in the ass with NAT, so it's the only thing I can think
> of. Usually in my experience it's the other way around! Ekiga is the
> one that doesn't work and tends to be very quirky (takes a long time
> to quit, has strange registration quirks, etc.), I mean when compared
> to HW SIP device.
>
>> Here is a part of my sip.conf :
>>
>>    [general]
>>    dtmfmode=auto
>>    language=fr ; pour les messages lus par asterisk
>>    disallow=all
>>    allow=ulaw
>>    allow=alaw
>>    allow=speex
>>
>>    [siemens]
>>    type=friend
>>    context=interne
>>    host=dynamic
>>    secret=xxxxxxxx
>>
>> When i'm doing a sip set debug ip XXX.XXX.XXX.XXX i have some
>> information. It seems that asterisk receives the rengistration request
>> but doesn't answer to it. Here are the logs :
>> http://server.chab.info/Registration_logs_ip_phone.txt
>>
>> Using Ekiga with the same SIP account (name is siemens) and from the
>> same physical location works well :
>> http://server.chab.info/Registration_logs_ekiga.txt
>>
>> I didn't change anything about asterisk config (except sip.conf and
>> extensions.conf).
>> If you have any idea, please share it with me, i really don't to do to
>> fix this problem...
>> Thanks in advance !
>
> The only thing I can think of are NAT issues with SIP. If you are in
> fact NATing try the Siemens phone to a direct IP to the server (no
> NAT, firewall, etc.) and see.
>
> --
> Alejandro Imass
>
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