[asterisk-users] SIP Trunk with "multiple" remote ip-addresses

[Klaus Darilion]

Am 02.03.2010 13:29, schrieb Magnus Benngård:
> Hi!
>
> Did a setup of 2 peers as Klaus suggested, it worked thx!
>
> Has anyone thought about the possibility to add multiple ip/hosts to
> "host="?
>
> I my case: "host=130.244.190.42,130.244.190.46" or
> "host=sip-corporate1.tele2.se,sip-corporate2.tele2.se"
>
> Step 1 could be to send to the first ip/host and accept from both.
>
> Step 2 could be "round-robin" send if both are up and alive...

IMO this would be a nice feature.

> Btw, did try trunk version, no support for multiple SRV records there.

IIRC correctly there is a patch on the bugtracker for SRV handling, but 
I do not know if that patch would fix this too.

regards
klaus

>
>
>
>     Am 02.03.2010 08:50, schrieb Magnus Benngård:
>      > Hi,
>      >
>      > Did order and setup a SIP trunk to a Swedish ITSP named Tele2. No
>      > problem to get outgoing calls to work but i have some problems with
>      > incoming.
>      >
>      > Did set "srvlookup=yes" in sip.conf. "Sending" all outgoing calls to
>      > "sip-corporate.tele2.se" which is either sip-corporate1.tele2.se
>      > (130.244.190.42) or sip-corporate1.tele2.se (130.244.190.46).
>      >
>      > If i do a "sip show peer Tele2", I see that Asterisk has chosen
>     one of
>      > them: ToHost : sip-corporate.tele2.se
>      > Addr->IP : 130.244.190.46 Port 5060
>      >
>      > Now my problems starts, when Tele2 sends a call to my Asterisk,
>     the call
>      > can come frome any of those two ip-adresses. If it comes from
>      > 130.244.190.46 everything if fine, but if it comes from
>     130.244.190.42:
>      > "[Mar 2 08:46:03] NOTICE[1372]: chan_sip.c:19167
>     handle_request_invite:
>      > Failed to authenticate!"
>      >
>      > I thought "srvlookup=yes" should take care about that, but then i
>     read a
>      > little bit more and found: "Note: Asterisk only uses the first
>     host in
>      > SRV records". :(
>
>     Hi Magnus!
>
>     Asterisk does not support multiple SRV records (expcet there were some
>     recent changes which I missed) - it takes one of the most priors and
>     use
>     it all the time.
>
>     Thus, in your scenario you have to specify the possible inbound sources
>     manually as peers:
>
>     [tele2-1]
>     type=peer
>     host=130.244.190.42
>     context=fromTele2
>     ...
>     [tele2-2]
>     type=peer
>     host=130.244.190.46
>     context=fromTele2
>     ...
>
>
>     regards
>     klaus
>
>
>      >
>      > Can anyone plz give me some hint howto solve my problem?
>      >
>      > Regards,
>      >
>      > Magnus
>      >
>