Public bug reported:

Binary package hint: ekiga

If I try to connext ekiga to the SIP registrar on my Fritz.Box, authentication 
always fails.
The reason seems to be that ekiga answers with a fantasy nonce that the server 
rightfully rejects:

19:45:02.408233 IP fritz.fonwlan.box.sip > laptop.local.1024: SIP, length: 479
...
WWW-Authenticate: Digest realm="fritz.box", nonce="A3078DB55DD74138"
User-Agent: AVM FRITZ!Box Fon WLAN 7170 29.04.76 (Jul 13 2009)

19:45:02.423782 IP laptop.local.sip > fritz.fonwlan.box.sip: SIP, length: 697
...
User-Agent: Ekiga/3.2.5
Authorization: Digest username="622", realm="fritz.box", 
nonce="E89133C4CB4A9D9B", uri="sip:fritz.box", algorithm=MD5, 


For comparision, a successful connect with correct nonce handling by the client:

20:08:03.276538 IP laptop.local.1024 > fritz.fonwlan.box.sip: SIP, length: 4
...
WWW-Authenticate: Digest realm="fritz.box", nonce="F8F0D674D1AD00FD"
User-Agent: AVM FRITZ!Box Fon WLAN 7170 29.04.76 (Jul 13 2009)

20:08:03.311674 IP laptop.local.1024 > fritz.fonwlan.box.sip: SIP, length: 528
...
Authorization: Digest username="622", realm="fritz.box", 
nonce="F8F0D674D1AD00FD", uri="sip:fritz.box", 
User-Agent: Linphone/3.1.2 (eXosip2/3.3.0)

ProblemType: Bug
Architecture: i386
Date: Tue Nov 10 19:45:30 2009
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/bin/ekiga
Package: ekiga 3.2.5-1ubuntu1
ProcEnviron:
 LANGUAGE=de_DE.UTF-8
 PATH=(custom, user)
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
SourcePackage: ekiga
Uname: Linux 2.6.31-14-generic i686

** Affects: ekiga (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386

-- 
ekiga can't authenticate with SIP registrar
https://bugs.launchpad.net/bugs/480207
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