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

[Olle E. Johansson]

12 mar 2010 kl. 12.01 skrev 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.
Check my "peerfailover" branch.

> 
>> 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.
I haven't seen that. Interesting.

/O
> 
> 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
>>> 
>> 
> 
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---
* Olle E Johansson - oej at edvina.net
* Cell phone +46 70 593 68 51, Office +46 8 96 40 20, Sweden