I got myself into a rather strange problem while working with SIM800L through AT commands. I am able to place calls and even read messages but when I send a message
using putty terminal
AT+CMGF=1 AT+CMGS= "+91XXXXXXXXX" [ENTER] > sample message [Ctrl+Z]
I get the following response
Everything looks good on the terminal, but I did not receive a text message. Surprisingly I also noticed that my network provided (Airtel) has also charged me for sending an SMS but I never did receive it on any number.
After digging into the AT command spec sheet of SIM800L I found that we have to set the message type using the following command
This has solved my problem :-)