Why can Ekiga not register to ekiga.net but to an Asterisc server?

[Detlef Lechner-2]

Hi,

Why can Ekiga not register me to ekiga.net but to an Asterisc server?
http://pastebin.ca/1637333

Kind regards,
Detlef Lechner
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[Eugen Dedu]

Detlef Lechner wrote:
> Hi,
>
> Why can Ekiga not register me to ekiga.net but to an Asterisc server?
> http://pastebin.ca/1637333

I do not know, it should work:

#
2009/10/22 11:15:18.595   0:03.131         subscriber:0xb7492b70
SIP     Sending PDU (548 bytes) to:
rem=udp$86.64.162.35:5060,local=udp$94.222.108.64:5070,if=192.168.178.26%eth0
#
REGISTER sip:ekiga.net SIP/2.0
#
CSeq: 1 REGISTER
#
Via: SIP/2.0/UDP
94.222.108.64:5070;branch=z9hG4bKda78eb15-59bd-de11-8757-0010c6ddb9a7;rport
#
User-Agent: Ekiga/3.2.5
#
From: <sip:bullgard@...>;tag=0210b415-59bd-de11-8757-0010c6ddb9a7
#
Call-ID: d6fab315-59bd-de11-8757-0010c6ddb9a7@T43
#
To: <sip:bullgard@...>
#
Contact: <sip:bullgard@...:5070>;q=1,
<sip:bullgard@...:5070>;q=0.500
#
Allow:
INVITE,ACK,OPTIONS,BYE,CANCEL,SUBSCRIBE,NOTIFY,REFER,MESSAGE,INFO,PING
#
Expires: 3600
#
Content-Length: 0
#
Max-Forwards: 70
#



#
2009/10/22 11:15:18.660   0:03.196       Opal Liste...0xb7514b70
SIP     PDU received:
rem=udp$86.64.162.35:5060,local=udp$94.222.108.64:5070,if=192.168.178.26%eth0
#
SIP/2.0 606 Not Acceptable
#
CSeq: 1 REGISTER
#
Via: SIP/2.0/UDP
94.222.108.64:5070;branch=z9hG4bKda78eb15-59bd-de11-8757-0010c6ddb9a7;rport=5070;received=188.102.88.163
#
Server: Kamailio (1.4.0-notls (i386/linux))
#
From: <sip:bullgard@...>;tag=0210b415-59bd-de11-8757-0010c6ddb9a7
#
Call-ID: d6fab315-59bd-de11-8757-0010c6ddb9a7@T43
#
To: <sip:bullgard@...>;tag=c64e1f832a41ec1c1f4e5673ac5b80f6.d015
#
Content-Length: 0
#


Maybe you have a NAT which changes the packets?  Maybe the famous script
at ekiga.net could be useful? :o)

--
Eugen
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[Jānis Rukšāns]

On Thu, Oct 22, 2009 at 8:02 PM, Eugen Dedu
<Eugen.Dedu@...> wrote:
> Detlef Lechner wrote:
>> Hi,
>>
>> Why can Ekiga not register me to ekiga.net but to an Asterisc server?
>> http://pastebin.ca/1637333
>
> I do not know, it should work:

It doesn't work because STUN reports different external IP address
(94.222.108.64) than seen by Ekiga.net (188.102.88.163).

2009/10/22 11:15:16.308   0:00.844       StunDetector:0xb7492b70
 OPAL    STUN server "stun.ekiga.net" replies Cone NAT, external IP
94.222.108.64

SIP/2.0 606 Not Acceptable
CSeq: 1 REGISTER
Via: SIP/2.0/UDP
94.222.108.64:5070;branch=z9hG4bKda78eb15-59bd-de11-8757-0010c6ddb9a7;rport=5070;received=188.102.88.163
Server: Kamailio (1.4.0-notls (i386/linux))
From: <sip:bullgard@...>;tag=0210b415-59bd-de11-8757-0010c6ddb9a7
Call-ID: d6fab315-59bd-de11-8757-0010c6ddb9a7@T43
To: <sip:bullgard@...>;tag=c64e1f832a41ec1c1f4e5673ac5b80f6.d015
Content-Length: 0

I was under impression that Ekiga.net rejects REGISTER only if Via
sent-by is in private address space (see [1,2]) but here Via sent-by
is public IP. My only guess is that Ekiga.net compares Via sent-by and
received and rejects REGISTER if they don't match. May I ask why there
are such restrictions?

[1] https://bugs.maemo.org/show_bug.cgi?id=4259
[2] http://sourceforge.net/tracker/?func=detail&aid=2412241&group_id=143636&atid=756076

--
Ian
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