I know there have been various posts on this over the last couple of years, but I wanted to get a definitive answer.
M system is using a Q64, and it makes a TCP socket connection across GPRS to a server. While this connection is made, I would also like it to be able to receive an incoming CSD call. When this happens I would like the following steps to happen;
- Leave socket connected
- Answer incoming call
- Receive data over CSD connection
- Send data over CSD connection
- Hang up CSD connection
- Switch back to socket connection using AT*E2IPATO
This works with the exception of steps 3 and 4 - that is, it doesn’t receive data and it can’t send data (which I know I am sending to it through HyperTerminal on another PC).
I could do this with a GR64, and feel that I am frustratingly close to achieving this with the Q64.
Any help gratefully received.