Question

Samsung AT commands

Asked by: hqdev

Hi,

I want to develop a small apps to read and write phone entry, calendar, wallpaper, ect to my phone. I heard it was possible through AT commands.
I own a Samsung A640 phone and I use USB drivers. I use different software to do what I want but I would like to make my own.
Anybody knows the AT command list of the Samsung's phone.
I tried a telecom software (HyperTerm) and I can send and receive commands to and from the phone. I even test some old StarTalk AT commands and they work on this new phone, so there's must be some doc somewhere listing those commands.

Thanks

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Asked On
2006-09-26 at 11:14:25ID22003437
Tags

samsung

,

commands

Topic

Wireless Technologies

Participating Experts
2
Points
250
Comments
4

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Answers

 

by: sreenathkPosted on 2006-09-26 at 21:01:35ID: 17607525

There is one problem in using your own application for AT commands.

The Manufacturer should allow third party applications. The Samsung (or Any other) phone will have different modes. When we are using AT commands, phone will be different Mode.

First we have to goto that mode. For that there will be a secret number something like (*#147359#* for some of the Samsung Phones). After this user can give AT commands using USB. If the Manufacturer does not want third party applications to give AT commands, the manufacturer keeps this number secret. And Manufacturer hides the list of AT commands.

Ofcourse cracking the code is always possible.

Please let us know if Manufacturer allows this or not. If yes, you can contact them directly.

Thanks,
Sreenath

 

by: hqdevPosted on 2006-09-27 at 05:05:30ID: 17609428

I captured communications between BitPim and my phone, and the commands seems quite straightforward.
It doesn't seem to have a secret code.
I've also noticed that Bitpim used AT commands, but the software sold by my phone cie (bell) wich is SnapSync uses the Brew mode to do his work.
Here's a example how BitPim uses AT commands:

ATE0V1 (probably init)
AT+GSN (enter GSN mode)
AT#PMODE=1
AT#PBGRR=0 (read group #0)
AT#PBOKR=1 (read phonebook record 1)
AT#PBOKR=2 (read phonebook record 2)
ans so on,
The phone book records return can be easily parsed.

 

by: NagavaliPosted on 2006-10-09 at 00:21:51ID: 17689144

hi hqdev,

You should be able to use the standard AT command set for most of the generic operations like phonebook entires, etc. You can find the guide at www.3gpp.org/ftp/Specs/html-info/27007.htm

However, if Samsung provides any special commands in addition to the commands in above guide, you need to refer to the Samsung AT command guide for the same. But since the operations that you've mentioned are very straight forward, you can refer to the 3GPP guide (in above link). Do let me know if you are still unable to get the AT commands working.

 

by: hqdevPosted on 2006-10-10 at 04:39:18ID: 17697820

Thanks for the link. Some of those commands works and confirm my communication capture. Now I will try to use those in my program.

20120131-EE-VQP-002

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