asterisk users - Feb 2003 - Fixed Line SMS with Asterisk

My first e-mail about the subject seems not sent due to an error at digium.com .
So sorry for the ones who is seeing this twice .

Hello ;

Looking at the messages , I saw Diana's wish . If I don't misunderstand
;
this app . is called fixed line SMS and is a service of some telcos around
the world like Deutsche ,Viking ,Austria and some Far Eastern telcos .
Some telcos are testing this system already . This system is 2 phase:

Ph 1 - NO FIXED LINE SMS SET
The mobile subscriber types the SMS normally and sends it to the fixed
line analog subscriber phone number he wants to send . The system does
call the fixed line subscriber phone number and reads the message with TTS
. If the subscriber wants to reply he can send a voice reply to the mobile
phone subscriber.

--- My addon : Here a verifying system can be inserted like entering a
password for eliminating all the members of the family to hear someone's
special message .

Ph 2- WITH FIXED LINE SMS SET

In this phase there are some sets [from Ascom , Siemens , Viking] which
enable the fixed line subscribers to type messages on the LCD screen and
send them to fixed line or mobile phone subscriber . And also he/she can
read the SMS which comes to this set for the LCD screen .

NOW HOW CAN WE DO THIS WITH ASTERISK ?

Asterisk has already built in capability to detect FSK . This is used in
Caller ID  .This SMS system also does use FSK for sending these messages
like 2 times DTMF 2 means B or 3 times DTMF 3 means F . I and my friend
are  interested in doing this with Asterisk and the E1 boards
[E100P-E400P] which we have in hand . We have some  comments and
unanswered questions about doing these . Does this seem possible to you also
?Anybody interested in this ?
Maybe we can share the code developing process .  Please send an e-mail to
me or write here .

Regards ;

Abdullah KOR
Computer Telephony Department

Birtel Network Technologies
www.birtel.com.tr

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Abdullah,
> Ph 2- WITH FIXED LINE SMS SET
> 
> In this phase there are some sets [from Ascom , Siemens , Viking] which
> enable the fixed line subscribers to type messages on the LCD screen and
> send them to fixed line or mobile phone subscriber . And also he/she can
> read the SMS which comes to this set for the LCD screen .
While sending messages from a handset into an asterisk box sounds
difficult but feasible (your users will have to change their phones'
configuration), don't expect to text just any sms enabled fixed phone.
As far as I remember the handsets accept incoming messages only from
selected message centers (the idea behind this behaviour is to suppress
ringing on incoming text messages). A message centers is identified by a
special CLI. Unless you know which CLI a phone is listening to and your
telco forwards unscreened CLI, your message will not be accepted.

Thilo