[Spce-user] Contact header too long?
admin at marcoteixeira.com
Fri Mar 24 15:41:07 EDT 2017
Question is, this was working before on 3.8.7 and simptoms started aftrer
upgrading to 3.8.9.
Like i said, on the forum there is at least one finding witch stated a
smaller base64 hash...
Did this hash increase in size between the two versions?
On Fri, Mar 24, 2017 at 1:27 PM, Andreas Granig <agranig at sipwise.com> wrote:
> There is no limit in the SIP RFC (unless I overlooked something), and
> different vendors handle it differently. E.g. the Dialogic SBC has a
> limit at 1024, see
> Actually not much you can do here. The ngcpct is there to work around
> issues for other user-agents, which don't handle a Contact of 127.0.0.1
> very well, which we used to send in certain scenarios (which is also
> totally fine in theory, but in practice breaks some clients). Therefore
> we put the IP of the kamailio-lb there and store the original one in
> masked form in the ngcpct param and reconstruct it in other scenarios.
> On 03/23/2017 07:47 PM, Marco Teixeira wrote:
> > So... searching around the mailing list archives, I can see that in the
> > ngcpct parameter was 22 chars shorter back in 2014...
> > https://lists.sipwise.com/pipermail/spce-user/2014-January/005675.html
> > is this something I can manipulate? the length of ngcpct?
> > =Marco
> > On Thu, Mar 23, 2017 at 6:20 PM, Marco Teixeira <admin at marcoteixeira.com
> > <mailto:admin at marcoteixeira.com>> wrote:
> > Forgot to mention, the peer is a Metaswitch Perimeta SBC.
> > =Marco
> > On Thu, Mar 23, 2017 at 6:04 PM, Marco Teixeira
> > <admin at marcoteixeira.com <mailto:admin at marcoteixeira.com>> wrote:
> > Hi list,
> > Trying to figure out a problem where calls incoming from peer
> > get dropped around 900 secs.
> > Peer vendor claiming the issue is, and I quote:
> > "(...) because the request-uri is >160 bytes. (...) The reason
> > the Request-URI is so long is due to the long contact header
> > coming from 184.108.40.206 -
> > Contact: <sip:ngcp-lb at 220.127.116.11:5060
> > <http://sip:firstname.lastname@example.org:5060>;ngcpct=
> > Please ask the customer to reduce the length of the ngcpct
> > parameter coming from their SIP server."
> > Has anyone ever came across this issue?
> > Is 160 bytes limits even on the SIP RFC?
> > How can i shorten or stop using ngcpct parameter in contact?
> > Apreciate your help,
> > Marco
> > _______________________________________________
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