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wrong code with gsm
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 Posted: Tuesday Feb 20th, 2018 02:29 pm
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phil1155
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Hi,When calling my gsm module, I have the welcome message "sign in" , but have a "wrong code" when typing my *XXXX#. Same if I sign in from my landline phone . If sending **xxxx#*xxxx#, it works locally. My code is ok when signing in from the keypads.How to get in when calling my gsm module?Thanks



 Posted: Tuesday Feb 20th, 2018 03:08 pm
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phil1155
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Hi Chiu,
I raise the gsm afe tune in parameter to 12 and I was able to sign in. But it doent work everytime. My phone shows only 1 bar reception. Could the problem comes from the gsm reception level?
Thanks
Philippe



 Posted: Tuesday Feb 20th, 2018 03:45 pm
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slychiu
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If changing from 9 to 12 improves it, try increasing by anoither 1 to 2 steps.

No need to reset Comfort after each change

The signal level may have somethinbg to do with it as we hardly ever need to change the tuning parameters

Try recording a message via the GSM , then playback and see if it is soft. if so that means the gain is low for GSM Line in



 Posted: Tuesday Feb 20th, 2018 08:00 pm
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phil1155
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Seems it s the reception level which is the problem. 1 bar is not enough.Thanks



 Posted: Thursday Mar 1st, 2018 06:58 pm
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phil1155
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Solved by adding an amplifying antenna.



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