Hi,

Please somebody help me in figuring out the problem.

I use a phone Nokia 6233.

When nokia is connected through the Belkin USB adapter, it is connecting via serial port profile.
Through hyperterminal, am sending some AT commands ( eg: at, at+cind=? etc) and getting the responses for the sent AT commands promptly.

But when I use the same Nokia 6233 with the other proprietary BT stack, disconnection of serial port profile(SPP) happens automatically without issuing the serial port disconnect.
(i.e) SPP connect request to the nokia phone is sent from the initiator device.
SPP connect is successful.
But when I try to send the AT command "AT" to the phone, meanwhile the response what I got is SPP disconnect success.
Wherein the SPP disconnect request is not sent from the initiator device.

I dont know why is it happening like this. Please somebody help me out of this.

Thanks,
Regards,
Thilaga