[asterisk-users] SER/OpenSER as registrar to Asterisk (1500 SIP users)

Antoine Megalla aatef at rocketmail.com
Thu Nov 1 07:34:26 CDT 2007


I have a client who requires an Asterisk system with
1500 SIP clients.
All clients will have ATAs (mostly Grandstream), so I
think a single 
Asterisk server will not be able to handle all 1500
registrations, plus 
typical applications like Voicemail, call forwarding,
etc.. and the billing 
needs for all the clients.

I have searched all over, and it seems that the
perfect solution is using 
SER/OpenSER as registration server for the SIP
clients, and then use 
Asterisk (one or more servers in load balancing mode)
for everything else.

The problem is that I cannot find any configuration
files for such a setup.
I can do all the Asterisk configuration, dial plan,
AGIs, apps, etc.. but 
for SER/OpenSER I cannot find anything.

Can anyone please point me in the right direction,
provide me with OpenSER 
configuration, or any pointers on the subject. I tried
to read all the 
material on how to write configuration files for
OpenSER, but it is 
incomprehensible to me, and it is much harder that
when I learning Asterisk 
3 years ago.

Your help is much appreciated.


Antoine Megalla. 

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