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M91 and Sony Ericsson GM29

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I´ve got a problem with the initalisation of an Sony Ericsson GM29 GSM Modem. I have an M91-2-R34 Controller and just want to send sms. But every time the initalisation of the Sony E. failed.

SI 70 ist 2 and SI 180 is 1. I use the Example-prg. Simple SMS-send.  It´s my first time with the U90 Ladder.

Could anybody give me a step-by-step instruction? Or have an idea, what i am doing wrong?


Thanks for every help

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