[SR-Users] Problem implementing Outbound Proxy
khorsmann at gmail.com
Fri Nov 26 09:52:18 CET 2021
so you have an trusted connection "SIPTRUNK" to kamailio (and then
dispatcher to application/freeswitch B2BUA).
I would create an now an vice-versa flow in your kamailio like this:
FreeSWITCH (bridge/internal/kamailio-ip) to kamailio to SIPTRUNK.
Am Fr., 26. Nov. 2021 um 09:01 Uhr schrieb Christoph Russow <russow at emtex.de
> Hi all,
> can no one help here? do you need more informations?
> Best regards
> Am 23.11.21 um 15:26 schrieb Christoph Russow:
> > Hi all,
> > im currently trying to add a Outbound Proxying to our system which right
> > now does inbound loadbalancing for our application servers.
> > Current:
> > Inbound SIP Trunk -> Kamailio -> dispatcher -> ApplicationServer 1..n
> > i now want to add the ability for our internal Application Servers to
> > terminate their outbound calls through the kamailio system.
> > currently i've setup a gateway in the (freeswitch) application server
> > that has the kamailio system set as outbound-proxy. this leads to sip
> > calls started with
> > originate sofia/gateway/kamailio/<number>@<outbound carrier IP>
> > to be sent to the kamailio system which then forwards it to the given
> > carrier IP. Sadly our main carrier answers with "503 service unavailable
> > - no bandwith available". (maybe due to the internal ip-addresses within
> > some of the headers?)
> > i've attached our current kamailio configuration and also a pcap of a
> > call i tried to start with our main carrier.
> > i tried this way as it seemed to be the easiest way so our application
> > servers still can select the outbound carrier within their flow.
> > maybe i'm on the wrong way here and need to solve this problem in a
> > completely different way i don't know.
> > TLDR: sip proxying does not work as expected. need a way to achieve
> > outbound calls routed through kamailio from internal application servers
> > any hint/help into the right direction is appreciated
> > Best Regards
> > Christoph Russow
> > __________________________________________________________
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> Christoph Russow
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