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no call backs busy / no dialtone from t68i phone

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Posted by prabhakar_pateti
we are using sonyEricsson T68i phone for our Bluetooth test. Here my T68i phone Version is upgraded from R5c to R6A.

And we are using the "T68i AT Commands.pdf" doc as the reference for the AT commands.

1.But When i enable ATV=1 command from my BT module,
T68i is giving response as V : 1 followed by OK.

That means the ATV=1 command is executed successfully.
But ATX is not supported command in T68i.

But when i establish call from the BT module ,

Case 1: if the called party is busy
Respose should be "BUSY" But the phone is not giving the BUSY message as per the specification.

Case 2: if the called party is not in the network / terminate call etc
Respose should be "NO CARRIER", But the phone is not giving the "NO CARRIER" message as per the specification.

Case 3: if the called party is not answered for the call received
Respose should be "NO ANSWER", But the phone is not giving the "NO ANSWER" message as per the specification.

B). When i enabled ATV=0,

It is giving : 3, 0, 3 instead of V: 3, 0, 3

It will be great, If you could do this help for us as early as possible.

Prabhakar Rao
Sr. Design Engineer


Posted by Anuj
design engineer fow what?

What are you trying to test? and for what reason?


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