Le lundi 09 Mai 2005 23:56, Michele "O-Zone" Pinassi a �crit�:
> 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
Yes, 1 per incoming line, as long as you plan to keep them all.
> and 15 FXS ?!?!?!?!?
Theoretically, you need 1 FXS module per downstream PSTN phone you want to
signal with Asterisk. Have you consider switching to VOIP (hard)phones, be
IAX2 or SIP, since for those, you would not need any extra hardware at all ?
Very good quality brands and models available (see Asterisk wiki).
-FP
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