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meshmesh
Joined: 09 Dec 2003
Posts: 29
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 15 Dec 2003 13:08 sms fsk dect protocol |
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Dear all,
Does anyone has an example schematic for an SMS capable telephone set for PSTN .. ?
I know that I need FSK modem but I don't know what are the requirements in this chip .. ?
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15 Dec 2003 13:08 Ads |
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bobcat1
Joined: 10 Jul 2002
Posts: 1118
Helped: 48
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16 Dec 2003 21:40 Re: SMS on PSTN |
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Look for DECT type phone's & components capability for SMS messagees
best regards
bobi
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Santos san
Joined: 08 Dec 2003
Posts: 5
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17 Dec 2003 10:20 Re: SMS on PSTN |
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usually the phone used 1200 Baud FSK modulation described in EN 300 659-2 for the FSK transmission function and EN 300 778-2 for the FSK receiving function in the Physical Layer .
if you want to know about the block diagram of the sms protocol stack
h**p://www.thales-ess.com/pdf_files/SMS-Flyer.pdf
and if you want a chip you can take a look for this Communications
Controller
h**p://www.cmlmicro.com/Products/Datasheets/Docs/cmx850ds.PDF
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