[asterisk-users] Asterisk maximum user

[M.Monzur Alam]

How many asterisk voice user concurrently continue their voice only one
Asterisk sever? Could it possible implementation in big environment
(more than thousand users)? 
Hardware statistics:

vendor_id       	: GenuineIntel
cpu family      	: 15
model            	: 2
model name      	: Intel(R) Pentium(R) 4 CPU 2.80GHz
stepping        	: 9
cpu MHz       	: 2799.622
cache size    	: 512 KB
fdiv_bug        	: no
hlt_bug         	: no
f00f_bug       	: no
coma_bug     	: no
fpu             	: yes
fpu_exception   	: yes
cpuid level     	: 2
wp               	: yes
flags           	: fpu vme de pse tsc msr pae mce cx8 apic sep
mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm
pbe up pebs bts cid xtpr
bogomips       	: 5604.90
clflush size    	: 64


Thanks
Monzur