I've found app_sms which is supposed to do that. However, I never 
managed to get it work. Every phone I tried refuses to communicate with 
asterisk.
This was my (very basic)config:
exten => 1,1,Answer
exten => 1,2,Wait(1)
exten => 1,3,SMS(test,as)
exten => 1,4,HangUp
This is supposed to answer the extension '1', wait a second (just to be 
safe), launch the sms application with 's' and 'a' options
(which is
supposed to act like an answering service center, to accept incoming 
messages), then hangup. No way, I see the phone dialing into that 
extension (i've changed SMSC parameter, obviously), sms_app starts but 
after a while phone says "transmission failed" (or some other error 
message). I've tried with different phones brand/type, all claiming to 
be ETSI compliant (and they are, since sending SMSes through my telco's 
gw works like a charm).
Cheers,
Simone.
Roland Zagler ha scritto:
> Hello!
> 
> Is it possible to run Asterisk as a SMS Service Center and does it work
> over a directly connected ISDN (CAPI) interface card?
> 
> Did anyone already use Asterisk for that?
> 
> Roland Zagler
> mailto:r.zagler@fog.at
> @fog smart partners
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