Thanks your reply.
your message has helped me.
I have one more question.
After the call is completed, i am going to download recorded wav file.
as phone's state become to "NoCall" form "CallConnected", I am going to download recorded wav file. But at this time recorded wav file isn't generated yet.
when should i download file.
I'd like to get notification about generation of wav file.
Is this possible?.
can I use function of subscription?
I believe you will help me.