Hi,
Do this data cable for C55 is not compatible with C62 Mobile phone?
If you hava the cable like in this link, the probably yes.
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2. What is the standard communication protocol for siemens cellphone
3. Do Siemens C62 understand the AT commands, I pressume it does as what i have read in the other post for siemens.
From what i know about the Simens mobile, they all work with AT Command. Try diffrent boud rate 9600 or 115200. Each time write AT[enter] and see if you get OK or even 0 back.
Try this link. its the AT Command for the C35. It will give you a good referance to start with.
**broken link removed**
Good luck.