[Serusers] Via: SIP/2.0/UDP X.X.X.X; branch=0

Carlos Loarca songohan15 at yahoo.com
Wed Mar 29 13:57:35 CEST 2006


Yes Klaus, it seems that it is looping. but the
strange behaviour occurs when there is a missdialled
call and gets the error message from other equipment
(ie. voip gateway). Otherwise, the ser performance is
correct.

Any clue?. I have checked my traces and the repeated
ACK coming from the voip-gateway has the right Via and
the ACK sent my ser are ok as well. Where can the
problem be?

Cheers,
/Carlos

--- Klaus Darilion <klaus.mailinglists at pernau.at>
wrote:

> looks like the message is looped. you can verify
> this by sniffing on the 
> loopback device too:
> 
> ngrep -d any
> tcpdump -i any
> 
> if looping is the case, you have a bug in your
> ser.cfg
> 
> regards
> klaus
> 
> Carlos Loarca wrote:
> > Hi everyone:
> > I have a very strange ser's behavior, I have setup
> my
> > ser server, it works very well but when I hang up
> a
> > call, then I recieve many messages like those
> below.
> > 
> > Max-Forwards: 59
> > Via: SIP/2.0/UDP 83.140.44.243;branch=0
> > Via: SIP/2.0/UDP 83.140.44.243;branch=0
> > Via: SIP/2.0/UDP 83.140.44.243;branch=0
> > Via: SIP/2.0/UDP 83.140.44.243;branch=0
> > Via: SIP/2.0/UDP 83.140.44.243;branch=0
> > Via: SIP/2.0/UDP 83.140.44.243;branch=0
> > Via: SIP/2.0/UDP 83.140.44.243;branch=0
> > Via: SIP/2.0/UDP 83.140.44.243;branch=0
> > Via: SIP/2.0/UDP 83.140.44.243;branch=0
> > Via: SIP/2.0/UDP 83.140.44.243;branch=0
> > Via: SIP/2.0/UDP
> > 213.132.115.200:5060;branch=z9hG4bK2213168
> > 
> > 0(15486) DEBUG : sl_filter_ACK: to late to be a
> local
> > ACK!
> >  0(15486) DEBUG:maxfwd:is_maxfwd_present: value =
> 59
> >  0(15486) parse_headers: flags=200
> >  0(15486) Found param type 232, <branch> = <0>;
> > state=16
> >  0(15486) end of header reached, state=5
> >  0(15486) parse_headers: Via found, flags=200
> >  0(15486) parse_headers: this is the second via
> >  0(15486) Found param type 232, <branch> = <0>;
> > state=16
> >  0(15486) end of header reached, state=5
> >  0(15486) parse_headers: Via found, flags=200
> >  0(15486) Found param type 232, <branch> = <0>;
> > state=16
> >  0(15486) end of header reached, state=5
> >  0(15486) parse_headers: Via found, flags=200
> >  0(15486) Found param type 232, <branch> = <0>;
> > state=16
> >  0(15486) end of header reached, state=5
> >  0(15486) parse_headers: Via found, flags=200
> >  0(15486) Found param type 232, <branch> = <0>;
> > state=16
> >  0(15486) end of header reached, state=5
> >  0(15486) parse_headers: Via found, flags=200
> >  0(15486) Found param type 232, <branch> = <0>;
> > state=16
> >  0(15486) end of header reached, state=5
> >  0(15486) parse_headers: Via found, flags=200
> >  0(15486) Found param type 232, <branch> = <0>;
> > state=16
> >  0(15486) end of header reached, state=5
> >  0(15486) parse_headers: Via found, flags=200
> >  0(15486) Found param type 232, <branch> = <0>;
> > state=16
> >  0(15486) end of header reached, state=5
> >  0(15486) parse_headers: Via found, flags=200
> >  0(15486) Found param type 232, <branch> = <0>;
> > state=16
> >  0(15486) end of header reached, state=5
> >  0(15486) parse_headers: Via found, flags=200
> >  0(15486) Found param type 232, <branch> =
> > <z9hG4bK2213168>; state=16
> > 
> > The problem here is that sometimes it doesnt stop
> > sending these messages until it finds the branch
> ID.
> > What is the reason of this Via Branch=0???
> > 
> > I appreciate any comment about it,
> > Cheers,
> > /Carlos
> > 
> > 
> > 
> > CUANDO UNO SABE A DONDE VA, EL MUNDO SE ABRE PARA
> DEJARLO PASAR.
> > 
> > __________________________________________________
> > Do You Yahoo!?
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> protection around 
> > http://mail.yahoo.com 
> > 
> > _______________________________________________
> > Serusers mailing list
> > serusers at lists.iptel.org
> > http://lists.iptel.org/mailman/listinfo/serusers
> 
> 


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