[Asterisk-Users] Problem developing my office

[Michele "O-Zone" Pinassi]

Hi all,
i need some advices. In my office we have 7 PSTN lines from central 
phone-office (one line - one number) and we plain to install an Asterisk 
server as PBX. We need to have 15 PSTN devices (phones, fax, etc) in opur 
office. I've seen FXS and FXO but i'm not sure: we need 7 FXO and 15 
FXS ?!?!?!?!?

There's a smarter solution ?

Thanks ! Oz


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