Hi !
I am working over a UAC scenario including authentication (digest/MD5). I have a problem with the SIP UAS (Nortel's MCS) which is accepting my second INVITE (with credentials). The call completes, but the UAS sends another 407... Which causes problem in my scenario. Not beeing able to find any error message in the to explain this behaviour, I looked to the Proxy-Authorization parameters to find differences with other working clients. I found that SIPp doesn't fill the cnonce parameter (cnonce="0"). All the traces shown on the site have cnonce filled "correctly"... So it may be the problem
What is wrong in the following scenario to explain the cnonce="0" ?
(extract from sip trace)
proxy-authorization: Digest username="test15", realm="Realm", nonce="MTE4MTE0MTExNTA1OTliNGJkYmIzZDljOGQ5ZmEyZDRlNjMwMzJlOWZhZDMz", uri="sip:10.10.10.10:5060", response="9709414d14c003a24401fdcb987f35d1", algorithm=MD5, cnonce="0", qop=auth,nc=00000001
Thanks !
-Louis Lamarre
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<?xml version="1.0" encoding="ISO-8859-1" ?>
<scenario name="Basic SSL UAC">
<send retrans="500">
<![CDATA[
INVITE sip:[EMAIL PROTECTED] SIP/2.0
v: SIP/2.0/[transport] [local_ip]:[local_port];branch=[branch]
f: <sip:[EMAIL PROTECTED]>;tag=[pid]LoUISLAMArre[call_number]
t: <sip:[EMAIL PROTECTED]>
i: [call_id]
CSeq: 1 INVITE
m: <sip:[EMAIL PROTECTED]:[media_port];maddr=[local_ip]>
Max-Forwards: 70
User-Agent: SIPp Test Agent
x-nt-location: 3878789
c: application/sdp
l: [len]
v=0
o=test15 53655765 2353687637 IN IP[local_ip_type] [local_ip]
s=-
c=IN IP[media_ip_type] [media_ip]
t=0 0
m=audio [media_port] RTP/AVP 0
a=rtpmap:0 PCMU/8000
]]>
</send>
<recv response="100" optional="true">
<action> <log message="Apres INVITE, recu 100"/>
</action>
</recv>
<recv response="407" auth="true">
<action> <log message="Apres INVITE, recu 407"/>
<ereg regexp="tag=([[:alnum:]]*)" search_in="hdr" header="To:" assign_to="1,2" />
<ereg regexp="received=([[:alnum:]]*\.[[:alnum:]]*\.[[:alnum:]]*\.[[:alnum:]]*)" search_in="hdr" header="Via:" assign_to="3,4" />
<log message="Tag du 407:[$2]"/>
<log message="IP recu dans le 407:[$4]"/>
</action>
</recv>
<send>
<![CDATA[
ACK sip:[EMAIL PROTECTED]:[remote_port];maddr=[remote_ip] SIP/2.0
v: SIP/2.0/[transport] [local_ip]:[local_port];branch=[branch]
f: <sip:[EMAIL PROTECTED]>;tag=[pid]LoUISLAMArre[call_number]
t: <sip:[EMAIL PROTECTED]>;tag=[$2]
i: [call_id]
CSeq: 1 ACK
m: <sip:[EMAIL PROTECTED]:[media_port];maddr=[local_ip]>
Max-Forwards: 70
l: 0
]]>
</send>
<nop> <action> <log message="Apres ACK"/> </action> </nop>
<send retrans="500">
<![CDATA[
INVITE sip:[EMAIL PROTECTED] SIP/2.0
v: SIP/2.0/[transport] [local_ip]:[local_port];branch=[branch]
f: <sip:[EMAIL PROTECTED]>;tag=[pid]LoUISLAMArre[call_number]
t:<sip:[EMAIL PROTECTED]>
Call-ID: [call_id]
CSeq: 2 INVITE
m: <sip:[EMAIL PROTECTED]:[media_port];maddr=[$4]>
[authentication username=test15 password=pwd]
Max-Forwards: 70
x-nt-location: 3878789
c: application/sdp
Content-Length: [len]
v=0
o=test15 53655765 2353687637 IN IP[local_ip_type] [local_ip]
s=-
c=IN IP[media_ip_type] [media_ip]
t=0 0
m=audio [media_port] RTP/AVP 0
a=rtpmap:0 PCMU/8000
]]>
</send>
<recv response="100" optional="true">
<action> <log message="Apres INVITE/AUTH, recu 100"/>
</action>
</recv>
<recv response="180" optional="true">
<action> <log message="Apres INVITE/AUTH, recu 180"/>
</action>
</recv>
<recv response="183" optional="true">
<action> <log message="Apres INVITE/AUTH, recu 183"/>
</action>
</recv>
<recv response="407" optional="true">
<action> <log message="Apres INVITE/AUTH, recu 407"/>
</action>
</recv>
<recv response="200" rtd="true">
<action> <log message="Apres INVITE/AUTH, recu 200"/>
</action>
</recv>
<send>
<![CDATA[
ACK sip:[EMAIL PROTECTED]:[remote_port] SIP/2.0
Via: SIP/2.0/[transport] [local_ip]:[local_port];branch=[branch]
From: <sip:[EMAIL PROTECTED]>;tag=[pid]LoUISLAMArre[call_number]
To:<sip:[EMAIL PROTECTED]>
Call-ID: [call_id]
CSeq: 1 ACK
Contact: <sip:[EMAIL PROTECTED]>
Max-Forwards: 70
Subject: Performance Test
Content-Length: 0
]]>
</send>
<nop> <action> <log message="Apres ACK, pause"/> </action> </nop>
<pause milliseconds="200"/>
<nop> <action> <log message="Apres pause envoie BYE"/> </action> </nop>
<send retrans="500">
<![CDATA[
BYE sip:[EMAIL PROTECTED]:[remote_port] SIP/2.0
Via: SIP/2.0/[transport] [local_ip]:[local_port];branch=[branch]
From: <sip:[EMAIL PROTECTED]>;tag=[pid]LoUISLAMArre[call_number]
To:<sip:[EMAIL PROTECTED]>
Call-ID: [call_id]
CSeq: 3 BYE
Contact: <sip:[EMAIL PROTECTED]>
Max-Forwards: 70
Subject: Performance Test
Content-Length: 0
]]>
</send>
<nop> <action> <log message="Apres BYE, attends 200 OK"/> </action> </nop>
<recv response="200" crlf="true">
</recv>
<nop> <action> <log message="Recu 200 OK"/> </action> </nop>
<!-- definition of the response time repartition table (unit is ms) -->
<ResponseTimeRepartition value="10, 20, 30, 40, 50, 100, 150, 200"/>
<!-- definition of the call length repartition table (unit is ms) -->
<CallLengthRepartition value="10, 50, 100, 500, 1000, 5000, 10000"/>
</scenario>
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