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04/18/05 05:11
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#91798 - GSM Phone Interfacing with PC & MCU
I want to transmit Data from remote site using SMS messages for a 51 MCU based project. That can be done using GSM Modem with AT command set. I have got full listing of GSM AT Commnad set (including SMS).

My problem is that before buying GSM MOdem I want to test the same using my Panasonic GD-50 GSM Phone. I brought serial data cable (for connec GD-50 to PC) for the same from market and connected it to serial port COM1. I tried giving AT command from Hyper terminal for all possible baud rates , data lenght ect but I am not getting OK response from Phone. Can anybody help. I have already search forum for all following GSM modem related discusion for solution but could get answer
http://www.8052.com/forum/read.phtml?id=18919

http://www.8052.com/forum/read.phtml?id=78095
Forum: Siemens M35 as gsm modem
RE: GSM modem communication
GSM modem communication
http://www.8052.com/forum/read.phtml?id=67250

can anybody help me this regards?



List of 39 messages in thread
TopicAuthorDate
GSM Phone Interfacing with PC & MCU            01/01/70 00:00      
   AT commands?            01/01/70 00:00      
      re-AT commands?            01/01/70 00:00      
         Give up!            01/01/70 00:00      
            Indeed            01/01/70 00:00      
               No, they don't.            01/01/70 00:00      
                  Hayes ?            01/01/70 00:00      
                     No data, No AT            01/01/70 00:00      
                        mobiles and AT commands            01/01/70 00:00      
   *DID* Search first!            01/01/70 00:00      
   I think you've been had            01/01/70 00:00      
      Buying stuff in "local market"            01/01/70 00:00      
         RE-Buying stuff in "local market"            01/01/70 00:00      
   Use Nokia.            01/01/70 00:00      
      Why?            01/01/70 00:00      
   AT response receive problem            01/01/70 00:00      
      bad Rx on '51?            01/01/70 00:00      
         Re: bad Rx            01/01/70 00:00      
            Echo            01/01/70 00:00      
               RS232            01/01/70 00:00      
                  Inverted?            01/01/70 00:00      
            post the whole code!            01/01/70 00:00      
               thats right | inverted?            01/01/70 00:00      
                  inversion            01/01/70 00:00      
                     Hyperterminal?            01/01/70 00:00      
                        how???            01/01/70 00:00      
                           No            01/01/70 00:00      
                              I gave up            01/01/70 00:00      
                              Level converter circuit diagram            01/01/70 00:00      
                                 Waiting for GSM Modem            01/01/70 00:00      
                                    AT-command            01/01/70 00:00      
                                       More Information Seimen C35            01/01/70 00:00      
                                          SMS trough PC            01/01/70 00:00      
                                             Thanks Khaled Sarsam            01/01/70 00:00      
                                 Level convertor???            01/01/70 00:00      
                                    i get your point !            01/01/70 00:00      
                                       use a dvice like max232            01/01/70 00:00      
                                          Problem solved            01/01/70 00:00      
   My experiences...            01/01/70 00:00      

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