Thanks tasuki for the response
Ya, i am doing following steps.
If anything wrong, please correct me!!
1. I am Opening dummy server, where adding port number.
2. Then, Opening the serial communication software (Docklight)
3. Writing all Commands as i shown above i.e., step 1 to 8
4. Till Step 7, GSM responding perfectly alright with proper response.
But at the when i am sending AT +CIPSTART = "TCP", "my public address number", "port number what i entered in dummy server"
I am getting response as;
Ok
State TCP CLOSED
CONNECTION FAILED
Can you please correct my mistake ?
Thanks in advance!!