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buts101
Joined: 29 Apr 2005
Posts: 190
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 08 Nov 2006 11:38 SMS Polling?? |
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hello guys...
u know...those polling scheme...advertise by News Channels...sending sms "Vote A" to number 2525 by mobile. Please anybody know about the technical thing i need to have and to learn so that i can create such polling system by receiving vote or choice from mobile sms.
Please help
Thank you
buts101
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noname1986
Joined: 14 Oct 2006
Posts: 14
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| 09 Nov 2006 4:47 Re: SMS Polling?? |
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first you must choose what type of mobile phone you want to use GSM/CDMA and also have a serial / usb cale data to communicate with computer
second what compiler you want to use to build your windows based application. i usually used delphi 7 and cport component to communicate with the mobile phone
third you must find an information about ATcommand. there are three important AT commnad read SMS(At+cmgr), Write SMS (At+cmgs) dan delete SMS (AT+CMGD)
you can send this command to your mobile phone from your application, to read/write/delete sms.
i hope this information can be useful
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nikhilele
Joined: 11 Jan 2006
Posts: 537
Helped: 20
Location: Bangalore India
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| 09 Nov 2006 6:23 SMS Polling?? |
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Can we use VB interfacing
I think we can
I would be lot easier with GSM modems
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buts101
Joined: 29 Apr 2005
Posts: 190
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| 10 Nov 2006 4:06 SMS Polling?? |
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hello noname1986..
could you please refer me some source or documentation on such type of project so that i make easier to understand.
thank you
buts101
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noname1986
Joined: 14 Oct 2006
Posts: 14
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| 10 Nov 2006 18:05 Re: SMS Polling?? |
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hello buts....
you can see this documentation or download comport port component at
http://sourceforge.net/project/showfiles.php?group_id=76595
it' s a freeware component
i think there is 2 important command using comport in delphi:
WriteString to send ATCommand from computer to mobile phone/mobile modem
and ReadString to get a response or message from mobile phone/mobile modem and then you can process the response/message
At Command using CDMA mobile phone and GSM has a difference.
AT Command for GSM phone at
http://forum.nokia.com/info/sw.nokia.com/id/95672052-6c77-488d-a055-acef77e4cdc5/AT_Command_Set_For_Nokia_GSM_And_WCDMA_Products_v1_2_en.pdf.html
AT Command for CDMA phone at http://forum.nokia.com/info/sw.nokia.com/id/537978cf-3542-41ea-a220-9a0bbbb83580/AT_Command_Set_For_Nokia_CDMA_Products_v1_1_en.pdf.html
after you read some information about ATcommand you can make a simple experiment using hyperterminal to communicate the mobile phone. mobile phone can connect to hyperterminal using all baudrate(some), 8 bit data, no parity, no flow control.
Added after 11 minutes:
Sorry, i don't have experience to make an application using VB. but i get some information that Visual Studio has a serial port component. I think using this serial port component in Visual Studio easier than using Cport.
for make a low cost sms polling, we can use mobile phone.
GSM/CDMA modem is needed if we want to make a professional SMS polling with high rate sms transfer.
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