[Asterisk-Users] more one asterisk hardware

[Tofik Suleymanov]

Hello list,

We are going to build and deploy telephony-system for approx ~1000 users 
with ASTERISK as main PBX.I was googling through this mailing list and 
found a lot of useful information.Some of my questions solved ,some 
other are still on agenda.Below I will formulate short questions that 
are still unanswered:

1. What are pros and cons of using SER with ASTERISK ?
2. Should we place SER as a registar server or only as a load balancer 
(or maybe both) ?
3. What hardware SIP phones are known to work flawlessly in production 
system with ~1000 users, and where can we buy this amount of phones with 
the best possible discount ? More about features of those phones please.
4. What hardware (ram,cpu , ... etc etc) should be used in a such 
environment to make ASTERISK happy ?
5. What if we run ASTERISK on FreeBSD instead of Linux ? Cons and pros 
please.

Thank you,

Tofik Suleymanov