12 Jan
2023
12 Jan
'23
6:55 p.m.
Joao Paulo,
add a second Asterisk server, and add a Virtual IP (VIP) using Keepalived.
Then UAC connects to Asterisk using the VIP. Keepalived will switch to the
2nd node once the 1st is down (or even if the 1st one stops Asterisk
service). In this case, you may not need a SIP Proxy as frontend.
If you require a SIP Proxy, use Kamailio and Dispatcher module to
distribute SIP requests to one Asterisk node, or the other. In case 1 node
gets offline, the 2nd node will still handle the calls.
And if you add GlusterFS you can even share a folder between the 2 Asterisk
nodes (folder A in Node 1 and folder A in Node 2 will be synced) and
anything you modify on 1 node, will be modified on the 2nd node too (and
vice-versa).
Just a few tips ;)
*Sérgio Charrua*
*www.voip.pt <http://www.voip.pt/>*
On Thu, Jan 12, 2023 at 3:23 PM Joao Paulo Vaz <jpvazdasilva(a)gmail.com>
wrote:
Thank you very much for this clarification Alex.
I also believe that this is not the best scenario but it is the demand presented, and in
the case of "survivor mode" it would really only be the basics,
a user being able to make a call to another on the same site, the other applications can
wait for the communication to return with the center point.
Could you point me a way to this configuration?
Att,
Joao Paulo
Em qui., 12 de jan. de 2023 às 10:52, Alex Balashov <
abalashov(a)evaristesys.com> escreveu:
Hello,
Such a configuration is indeed possible. However, Asterisk and Kamailio
are not interchangeable; Kamailio is a SIP proxy, and cannot offer the same
in-channel and call supervision features that Asterisk can. So, the
"survival mode" might be very simplified and basic compared to the caller
experiences that Asterisk can provide.
But it is possible.
I don't know that it's the best architecture. You might instead
investigate ways to make Asterisk more distributed and/or highly available.
-- Alex
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On Jan 12, 2023, at 7:06 AM, Joao Paulo Vaz
<jpvazdasilva(a)gmail.com>
wrote:
Hello masters,
I am a newbie who recently got to know Kamailio.
I have a scenario and I would like to know if this tool would suit: a
central
asterisk server with all user accounts and three remote units with
Kamailio acting as a proxy.
Is there any module or configuration that if the
central asterisk
server fails to respond, would the remote proxies act in survival
mode,
allowing local communication by users
until the central asterisk server returns a
response?
Att,
Joao Paulo
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--
Alex Balashov
Principal Consultant
Evariste Systems LLC
Web: https://evaristesys.com
Tel: +1-706-510-6800
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