[Asterisk-Users] which voip fone will be better

[ishtiaq Ahmed]

hy all i want to knwo that which voip fone( hard fone
) will be better either it should be iax, sip or h.323
    ( that should be good and not too expensive ) i
want to have a setup of 200 fones in five offices. 
and is there any card available to connect four pstn
lines. like in single channel fxo there is only one
channel. 

waiting for a good suggestion 
thankx 
ishtiaq ahmed



		
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