Thanks Eugen, that gives me some place to look next. I'll go build the
latest Opal and go from there.

-Sean

On Fri, Oct 12, 2018 at 12:34 PM Eugen Dedu <eugen.d...@univ-fcomte.fr>
wrote:

> Hi Sean,
>
> Thank you for your analysis.
>
> Unfortunately, the only way to change this behaviour is to modify the
> source code of opal, which is used by ekiga and takes care of SIP.
>
> Perhaps this bug has been fixed in opal since Ekiga was released, but
> currently there is no one working on Ekiga.
>
> Best regards,
> Eugen
> http://eugen.dedu.free.fr
>
>
> On 12/10/2018 20:46, Sean via ekiga-list wrote:
> > New to Ekiga and trying to find a Linux client that I can use with my
> > company's SIP gateway (MetaSwitch).
> >
> > Inbound calls work ok.
> >
> > Outbound calls though do not work. After the initial INVITE our switch is
> > setup to answer back a '401 Unauthorized' after an initial INVITE. The
> > expected response would be that the client would send a new INVITE
> without
> > reusing the TO tag provided in the 'Status 100 Trying' message. When the
> > second INVITE from Ekiga is sent, it provides authentication but it
> reuses
> > the TO Tag.
> >
> > Calling# 907550AAAA
> > Called#  907632BBBB
> > OS: Ubuntu Mate 17.x
> > Ekiga v4.0.1
> > SIP Gateway: Metaswitch
> >
> > INVITE sip:907632BBBB@metaswitch SIP/2.0
> > CSeq: 1 INVITE
> > v: SIP/2.0/UDP
> > HOME_IP:5060;branch=z9hG4bKe892599d-a9cc-e811-95ba-b88a60eb21bb;rport
> > User-Agent: Ekiga/4.0.1
> > f: "Sean" <sip:907550AAAA@metaswitch
> >> ;tag=72d94c9d-a9cc-e811-95ba-b88a60eb21bb
> > i: 7aea4c9d-a9cc-e811-95ba-b88a60eb21bb@laptop
> > k: 100rel,replaces
> > t: <sip:907632BBBB@metaswitch>
> > m: "Sean" <sip:907550AAAA@HOME_IP:5060>
> > Allow:
> >
> INVITE,ACK,OPTIONS,BYE,CANCEL,SUBSCRIBE,NOTIFY,REFER,MESSAGE,INFO,PING,PRACK
> > l: 872
> > c: application/sdp
> > Max-Forwards: 70
> >
> > SIP/2.0 100 Trying
> > CSeq: 1 INVITE
> > Via: SIP/2.0/UDP
> >
> HOME_IP:5060;received=HOME_IP;rport=5060;branch=z9hG4bKe892599d-a9cc-e811-95ba-b88a60eb21bb
> > Server: SIP/2.0
> > From: "Sean" <sip:907550AAAA@metaswitch
> >> ;tag=72d94c9d-a9cc-e811-95ba-b88a60eb21bb
> > Call-ID: 7aea4c9d-a9cc-e811-95ba-b88a60eb21bb@laptop
> > To: <sip:907632BBBB@metaswitch>;tag=sip+1+37370041+7a4ac210
> > Content-Length: 0
> >
> > SIP/2.0 401 Unauthorized
> > CSeq: 1 INVITE
> > Via: SIP/2.0/UDP
> >
> HOME_IP:5060;received=HOME_IP;rport=5060;branch=z9hG4bKe892599d-a9cc-e811-95ba-b88a60eb21bb
> > Server: DC-SIP/2.0
> > From: "Sean" <sip:907550AAAA@metaswitch
> >> ;tag=72d94c9d-a9cc-e811-95ba-b88a60eb21bb
> > Call-ID: 7aea4c9d-a9cc-e811-95ba-b88a60eb21bb@laptop
> > Supported: resource-priority, siprec, 100rel
> > Organization: Metaswitch Networks
> > To: <sip:907632BBBB@metaswitch>;tag=sip+1+37370041+7a4ac210
> > Contact: <sip:METASWITCH_IP:5060>
> > Content-Length: 0
> > WWW-Authenticate: Digest
> >
> realm="metaswitch",nonce="47ef533f87db",stale=false,algorithm=MD5,qop="auth"
> >
> > ACK sip:907632BBBB@metaswitch SIP/2.0
> > CSeq: 1 ACK
> > Via: SIP/2.0/UDP
> > HOME_IP:5060;branch=z9hG4bKe892599d-a9cc-e811-95ba-b88a60eb21bb;rport
> > From: "Sean" <sip:907550AAAA@metaswitch
> >> ;tag=72d94c9d-a9cc-e811-95ba-b88a60eb21bb
> > Call-ID: 7aea4c9d-a9cc-e811-95ba-b88a60eb21bb@laptop
> > To: <sip:907632BBBB@metaswitch>;tag=sip+1+37370041+7a4ac210
> > Content-Length: 0
> > Max-Forwards: 70
> >
> > INVITE sip:907632BBBB@metaswitch SIP/2.0
> > CSeq: 2 INVITE
> > v: SIP/2.0/UDP
> > HOME_IP:5060;branch=z9hG4bK82d69d9e-a9cc-e811-95ba-b88a60eb21bb;rport
> > User-Agent: Ekiga/4.0.1
> > Authorization: Digest username="907550AAAA", realm="metaswitch",
> > nonce="47ef533f87db", uri="sip:907632BBBB@metaswitch", algorithm=MD5,
> > response="x", cnonce="c87c9d9e-a9cc-e811-95ba-b88a60eb21bb", nc=00000001,
> > qop=auth
> > f: "Sean" <sip:907550AAAA@metaswitch
> >> ;tag=72d94c9d-a9cc-e811-95ba-b88a60eb21bb
> > i: 7aea4c9d-a9cc-e811-95ba-b88a60eb21bb@laptop
> > k: 100rel,replaces
> > t: <sip:907632BBBB@metaswitch>;tag=sip+1+37370041+7a4ac210
> > m: "Sean" <sip:907550AAAA@HOME_IP:5060>
> > Allow:
> >
> INVITE,ACK,OPTIONS,BYE,CANCEL,SUBSCRIBE,NOTIFY,REFER,MESSAGE,INFO,PING,PRACK
> > l: 872
> > c: application/sdp
> > Max-Forwards: 70
> >
> > SIP/2.0 481 Call/Transaction Does Not Exist
> > CSeq: 2 INVITE
> > Via: SIP/2.0/UDP
> >
> HOME_IP:5060;received=HOME_IP;rport=5060;branch=z9hG4bK82d69d9e-a9cc-e811-95ba-b88a60eb21bb
> > Server: SIP/2.0
> > From: "Sean" <sip:907550AAAA@metaswitch
> >> ;tag=72d94c9d-a9cc-e811-95ba-b88a60eb21bb
> > Call-ID: 7aea4c9d-a9cc-e811-95ba-b88a60eb21bb@laptop
> > To: <sip:907632BBBB@metaswitch>;tag=sip+1+37370041+7a4ac210
> > Warning: 399 sip "The specified dialog does not exist"
> > Content-Length: 0
> >
> > ACK sip:907632BBBB@metaswitch SIP/2.0
> > CSeq: 2 ACK
> > Via: SIP/2.0/UDP
> > HOME_IP:5060;branch=z9hG4bK82d69d9e-a9cc-e811-95ba-b88a60eb21bb;rport
> > Authorization: Digest username="907550AAAA", realm="metaswitch",
> > nonce="47ef533f87db", uri="sip:907632BBBB@metaswitch", algorithm=MD5,
> > response="42a186ed75e5f3629bd1183887447e44",
> > cnonce="c87c9d9e-a9cc-e811-95ba-b88a60eb21bb", nc=00000002, qop=auth
> > From: "Sean" <sip:907550AAAA@metaswitch
> >> ;tag=72d94c9d-a9cc-e811-95ba-b88a60eb21bb
> > Call-ID: 7aea4c9d-a9cc-e811-95ba-b88a60eb21bb@laptop
> > To: <sip:907632BBBB@metaswitch>;tag=sip+1+37370041+7a4ac210
> > Content-Length: 0
> > Max-Forwards: 70
> >
> >
> > When trouble shooting this with our VOIP engineers, they pointed me to
> RFC
> > 3261 8.1.1.2
> >
> > A request outside of a dialog MUST NOT contain a To tag; the tag in
> >     the To field of a request identifies the peer of the dialog.  Since
> >     no dialog is established, no tag is present.
> >
> > After Metaswitch answers with the '401 Unauthorized', it deletes the
> > reference to that TO tag and when Ekiga reuses it, Metaswitch can't match
> > it to any current session.
> >
> > I've captured packets using Linphone and it behaves in the way our
> > Metaswitch is expecting, to not include a TO tag when sending the second
> > INVITE that includes authentication.
> >
> > Is there a way Ekiga's behavior can be changed locally via configuration
> > file to either:
> >
> >      1. Not include the TO tag on the second INVITE
> >      2. Include Authentication on the initial INVITE
> >
> > Is/could this be a feature request that I need to submit vs. a bug?
> >
> > Thanks.
> >
> > -Sean
> >
> >
> > _______________________________________________
> > ekiga-list mailing list
> > ekiga-list@gnome.org
> > https://mail.gnome.org/mailman/listinfo/ekiga-list
> >
> _______________________________________________
> ekiga-list mailing list
> ekiga-list@gnome.org
> https://mail.gnome.org/mailman/listinfo/ekiga-list
>
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