Comment 4 for bug 480207

I checked with the ekiga from the ppa, ans it too breakes the protocol by ignoring the nonce and inventing its own,
tcpdump log:

21:03:58.341196 IP fritz.box.sip > laptop.fritz.box.sip: SIP, length: 477
SIP/2.0 401 Unauthorized..%
Via: SIP/2.0/UDP 192.168.178.22:5060;branch=z9hG4bKc895b9d6-0fd6-de11-9d96-001d72cc64dc;rport=5060
From: <sip:<email address hidden>>;tag=5e7116d6-0fd6-de11-9d96-001d72cc64dc
To: <sip:<email address hidden>>;tag=CD907110002F38FA
Call-ID: 2e6a16d6-0fd6-de11-9d96-001d72cc64dc@laptop
CSeq: 1 REGISTER
WWW-Authenticate: Digest realm="fritz.box", nonce="1D0B46CAD0137719"
User-Agent: AVM FRITZ!Box Fon WLAN 7170 29.04.76 (Jul 13 2009)
Content-Length: 0

21:03:58.354448 IP laptop.fritz.box.1024 > fritz.box.sip: SIP, length: 695
E.....@.@.R.................REGISTER sip:fritz.box SIP/2.0
CSeq: 2 REGISTER
Via: SIP/2.0/UDP 192.168.111.1:5060;branch=z9hG4bK20a3bdd6-0fd6-de11-9d96-001d72cc64dc;rport
User-Agent: Ekiga/3.2.6
Authorization: Digest username="621", realm="fritz.box", nonce="07E3E41E42B25696", uri="sip:fritz.box", algorithm=MD5, response="ef7826efac8caed981dcb84249e7f004"
From: <sip:<email address hidden>>;tag=5e7116d6-0fd6-de11-9d96-001d72cc64dc
Call-ID: 2e6a16d6-0fd6-de11-9d96-001d72cc64dc@laptop
To: <sip:<email address hidden>>
Contact: <sip:621@192.168.111.1>;q=1, <sip:621@192.168.178.22>;q=0.500
Allow: INVITE,ACK,OPTIONS,BYE,CANCEL,SUBSCRIBE,NOTIFY,REFER,MESSAGE,INFO,PING
Expires: 3600
Content-Length: 0
Max-Forwards: 70