Answer: In AT+KCNXTIMER=[,[,[,]]]],
is linked to PDP context obtaining, together with the ;
is linked to the connection to the server.
Here are the details:
After the command KTCPCNX or KTCPSTART, what will occur can be described in 3 steps?
- Activate the PDP context.
- Start to connect to the server.
is for step 1.
If it fails to activate the PDP context, a timer of will be started.
When this timer expires, it will try to activate the PDP context again.
is also for step 1.
In short, and can be explained as:
Try to activate the PDP context with max attempts and with an interval of .
is for step 2.
At step 2, a timer of will be started.
When this timer expires, if step 3 has not yet been reached, it will give up the attempt to connect with the server. On the other hand, if the connection is successful before this timer expires, the timer will be disabled.