New subject: [Serusers] Call forwarding Question (following issue 5)

16 Sep 2005

Sorry I never attached the messages...

-----Original Message-----
From: Aisling [mailto:ashling.odriscoll@cit.ie] 
Sent: 16 September 2005 11:31
To: 'Greger V. Teigre'; &#39;serusers(a)lists.iptel.org&#39;
Subject: RE: [Serusers] Call forwarding Question (following issue 5)

I have attached a complete ngrep of the messages. There were no errors
in the var/log/messages file. Originally 3500 and 5000 were on the same
machine so I changed the scenario so that 3500 (Windows messenger) was
calling 2092 (BT100 - which is busy) and should be forwarded to 2009
(KPhone, same pc as SER). However it still doesn't forward the
call.....Its the last two messages confuse me...I don't understand why a
407 Proxy Authentication required would be sent back to original
caller....

My rule in the usr_preferences table of the mysql database is:

Username (2092) Attribute (fwdbusy) Value (sip:2009@serveraddress)

Any ideas?
Many thanks,
Aisling.

-----Original Message-----
From: Greger V. Teigre [mailto:greger@teigre.com] 
Sent: 15 September 2005 18:43
To: Aisling; serusers(a)lists.iptel.org
Subject: Re: [Serusers] Call forwarding Question (following issue 5)

Yes, we have verified that the configs lack the append_branch you
mention. 
The fix has been done (https://siprouter.onsip.org/trac/changeset/15)
and 
new configs are available through the regular downloads at onsip.org.

To your other problem: No clue, Aisling. Sounds very strange indeed. The

config should only trigger proxy authentication on an INVITE (not
REGISTER). 
Maybe what you are experiencing is Messenger sending a new INVITE. (It 
should not, as it should receive a 100 Trying from ser). Only a
*complete* 
ngrep trace will help in understanding what's happening (and any error 
messages in /var/log/messages with the timestamp for matching)
g-)

Aisling wrote:
...
  Hi,

 I am testing the call forwarding features demonstrated in Issue 5 of
 the
 onsip getting started document. I found that blind call transfer
 worked
 perfectly but fwdbusy & fwdnoanswer gave me errors:

 ERROR: t_forward_nonack: non branched for forwarding
 ERROR: w_t_relay(failure mode): forwarding failed
 ERROR: sl_reply_error used: I'm terribly sorry, server error occurred.

 On the onsip site I noted that someone else had this problem and it
 was
 solved by putting append_branch in the fwdbusy and fwdnoanswer
 sections in
 the failure route.

 Thankfully that fixed those errors. However when I went to test
 fwdbusy
 again, it doesn't give any errors but still doesn't work. The call
 scenario
 was as follows:

 Windows Messenger client 3500 ring BT100 2092. 2092 is off the hook
 (thereby
 sending a 486 busy message) and the call should be forwarded to xlite
 client
 5000.

 i.e. 3500 -> 2092(busy) -> 5000

 The message sequence showed that everything was correct up to 2092
 sending
 the 486 busy to SER and then SER sending an ACK back to 2092. But
 then SER
 sends a 407 proxy authentication required to 3500 which replies with
 an
 ACK....and that's it...

 Can someone explain why SER would send a 407 Proxy authentication to
 the
 original caller?...I thought this should only be in response to a
 register
 message?....

 Any help appreciated,
 Thanks,
 Aisling.

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FW: [Serusers] Call forwarding Question (following issue 5)