Is it possible to create EMS in the text mode?

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Wojciech Zabolotny - 04 Sep 2003 16:50 GMT

Hi All,

My mobile does not support the PDU mode
(AT+CMGF=? returns +CMGF: (1) ).
Is it possible to create the EMS message
using only the text mode?
Where can I find more details?

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TIA & Regards,
Wojtek Zabolotny
wzab@ise.pw.edu.pl

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John Henderson - 04 Sep 2003 23:04 GMT

> My mobile does not support the PDU mode
> (AT+CMGF=? returns +CMGF: (1) ).
> Is it possible to create the EMS message
> using only the text mode?
> Where can I find more details?

I haven't done this in text-mode, but I think there's a fair
chance you can.

You'd need to use "AT+CSMP=<fo>" to setup the "first octet" with
the UDHI bit turned on. I understand that <fo> values are
decimal, so "AT+CSMP=81" should be normal for an EMS. Then I
guess you'd need to encode your UDH as "normal text", along with
the EMS content.

GSM 07.05 and 23.040 are the important standards. I might have a
closer look when I get some spare time, although I don't have
ready access to an EMS-capable receiver at present.

John

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