Hello,

after a BYE command to the AVAYA PBX the PBX answers with
"SIP/2.0 407 Proxy Authentication Required" and sipxtapi runs a
new register command but the connection will not be closed.
Here a short listing:

 UDP  592    From:192.168.50.6  To:192.168.150.22   5060  5060 [2007.08.20 
- 10:58:37.365]

BYE sip:[EMAIL PROTECTED]:5061;transport=tls SIP/2.0
Route: <sip:192.168.150.22:5060;lr>
From: "140" <sip:[EMAIL PROTECTED]>;tag=14726
To: "SIP-Phone 150" 
<sip:[EMAIL PROTECTED]:5061>;tag=80e0a6db5555dc1ae1146ae1dc000
Call-Id: 80e0a6db5555dc1af1146ae1dc000
Cseq: 12196 BYE
Contact: "140"<sip:[EMAIL PROTECTED]:5060;LINEID=f848fc0cd435>
Date: Mon, 20 Aug 2007 08:58:37 GMT
Max-Forwards: 70
User-Agent: sipX/1.3.0 (WinNT)
Accept-Language: 
Supported: replaces
Via: SIP/2.0/UDP 192.168.50.6;branch=z9hG4bK-ef95482786ac;rport
Content-Length: 0

 UDP  608  From:192.168.150.22    To:192.168.50.6  32771  5060 [2007.08.20 
- 10:58:37.365]

SIP/2.0 407 Proxy Authentication Required
From: "140" <sip:[EMAIL PROTECTED]>;tag=14726
To: "SIP-Phone 150" 
<sip:[EMAIL PROTECTED]:5061>;tag=80e0a6db5555dc1ae1146ae1dc000
Call-ID: 80e0a6db5555dc1af1146ae1dc000
CSeq: 12196 BYE
Via: SIP/2.0/UDP 
192.168.50.6;received=192.168.50.6;branch=z9hG4bK-ef95482786ac;rport=5060
Content-Length: 0
Proxy-Authenticate: Digest 
realm="sip.ub2.cae.local",domain="sip.ub2.cae.local",nonce="MTE4NzYxMTM3ODpTREZTZXJ2ZXJTZWNyZXRLZXk6NzcwMjkwNjQx",algorithm=MD5
Server: Avaya SIP Enablement Services
Organization: sip.ub2.cae.local

 UDP  531    From:192.168.50.6  To:192.168.150.22   5060  5060 [2007.08.20 
- 10:58:42.754]

REGISTER sip:192.168.150.22 SIP/2.0
From: sip:[EMAIL PROTECTED];tag=4fd44991
To: 
sip:[EMAIL PROTECTED];tag=CC71D9A5C993A824F4F82CF8A5A9DE5B118761095025860
Call-Id: 7e313318508d516c1cd657a0791ffc30
Cseq: 107 REGISTER
Contact: <sip:[EMAIL PROTECTED];LINEID=f848fc0cd435>
Expires: 300
Date: Mon, 20 Aug 2007 08:58:42 GMT
Max-Forwards: 70
User-Agent: sipX/1.3.0 (WinNT)
Accept-Language: 
Supported: replaces
Via: SIP/2.0/UDP 192.168.50.6;branch=z9hG4bK-d225b8971358;rport
Content-Length: 0
 

Here is a listing from a avaya Softphone with no problem and closing the 
connection
witout a problem.

 UDP  550  From:192.168.42.143  To:192.168.150.22   5061  5060 [2007.08.20 
- 10:52:29.021]

BYE sip:192.168.150.20:5061;transport=tls SIP/2.0
From: "150" 
<sip:[EMAIL PROTECTED]>;tag=cd1957446c9561d472718b0_F192.168.42.143
To: sip:[EMAIL PROTECTED];tag=04a3ac5555dc19b1146ae1dc000
Call-ID: [EMAIL PROTECTED]
CSeq: 8 BYE
Via: SIP/2.0/UDP 
192.168.42.143;branch=z9hG4bK7d2f7b8_5e7a4d99d8d734727d0c1_B
Route: <sip:192.168.150.22:5060;lr>
Route: <sip:192.168.150.20:5061;lr;transport=tls>
Content-Length: 0
Max-Forwards: 70
User-Agent: Avaya SIP Softphone
Supported: replaces

 UDP  634  From:192.168.150.22  To:192.168.42.143  32771  5060 [2007.08.20 
- 10:52:29.021]

SIP/2.0 407 Proxy Authentication Required
From: "150" 
<sip:[EMAIL PROTECTED]>;tag=cd1957446c9561d472718b0_F192.168.42.143
To: sip:[EMAIL PROTECTED];tag=04a3ac5555dc19b1146ae1dc000
Call-ID: [EMAIL PROTECTED]
CSeq: 8 BYE
Via: SIP/2.0/UDP 
192.168.42.143;received=192.168.42.143;branch=z9hG4bK7d2f7b8_5e7a4d99d8d734727d0c1_B
Content-Length: 0
Proxy-Authenticate: Digest 
realm="sip.ub2.cae.local",domain="sip.ub2.cae.local",nonce="MTE4NzYxMTAwODpTREZTZXJ2ZXJTZWNyZXRLZXk6NjA1OTIyODM4",algorithm=MD5
Server: Avaya SIP Enablement Services
Organization: sip.ub2.cae.local

 UDP  769  From:192.168.42.143  To:192.168.150.22   5061  5060 [2007.08.20 
- 10:52:29.072]

BYE sip:192.168.150.20:5061;transport=tls SIP/2.0
From: "150" 
<sip:[EMAIL PROTECTED]>;tag=cd1957446c9561d472718b0_F192.168.42.143
To: sip:[EMAIL PROTECTED];tag=04a3ac5555dc19b1146ae1dc000
Call-ID: [EMAIL PROTECTED]
CSeq: 9 BYE
Via: SIP/2.0/UDP 
192.168.42.143;branch=z9hG4bK7d2f7b8_5e7a4d99d8d734727d0c1_B
Route: <sip:192.168.150.22:5060;lr>
Route: <sip:192.168.150.20:5061;lr;transport=tls>
Content-Length: 0
Max-Forwards: 70
User-Agent: Avaya SIP Softphone
Supported: replaces
Proxy-Authorization: Digest 
username="150",realm="sip.ub2.cae.local",nonce="MTE4NzYxMTAwODpTREZTZXJ2ZXJTZWNyZXRLZXk6NjA1OTIyODM4",uri="sip:192.168.150.20:5061;transport=tls",response="f5bbbc91b0dcc819e7048ed4a9f3ec94"

 UDP  425  From:192.168.150.22  To:192.168.42.143  32771  5060 [2007.08.20 
- 10:52:29.072]

SIP/2.0 200 OK
From: "150" 
<sip:[EMAIL PROTECTED]>;tag=cd1957446c9561d472718b0_F192.168.42.143
To: sip:[EMAIL PROTECTED];tag=04a3ac5555dc19b1146ae1dc000
Call-ID: [EMAIL PROTECTED]
CSeq: 9 BYE
Via: SIP/2.0/UDP 
192.168.42.143;psrrposn=1;received=192.168.42.143;branch=z9hG4bK7d2f7b8_5e7a4d99d8d734727d0c1_B
Server: Avaya CM/R014x.00.0.730.5
Content-Length: 0


I don't now what is the right way to answer after a "407 Proxy 
Authentication Required".
Knows someone the RFC to solve this problem?

Regards,

Dieter Maubach 

CAE Elektronik GmbH
Unified Messaging, Unified Communications
Telecom Engineer

Tel: +49 (2402) 106 426
Fax: +49 (2402) 106 8426 

mailto: [EMAIL PROTECTED] 
web: http://www.cae.de

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