phinixsys
Newbie level 4
Hi guys,
I have a SIM300 module purchased recently. I am trying to communicate with it using AT commands.
But i am getting strange behaviour from the SIM300 module.
When i send AT command to it like AT<ENTER> from terminal. it doesent reply with OK or anything.
The network Led is blinking such that it has found the network. I can even make a call from another cell to this module and get ring. When i send ATA<ENTER> from the terminal the call gets connected.
The call gets disconnected when i send ATH<Enter>.
The only problem is i cant initiate a call, i dont receive anything from the module at all.
What could be the problem?
I have double checked the uart connections and they seems to be fine.
Experts please advice.
I have a SIM300 module purchased recently. I am trying to communicate with it using AT commands.
But i am getting strange behaviour from the SIM300 module.
When i send AT command to it like AT<ENTER> from terminal. it doesent reply with OK or anything.
The network Led is blinking such that it has found the network. I can even make a call from another cell to this module and get ring. When i send ATA<ENTER> from the terminal the call gets connected.
The call gets disconnected when i send ATH<Enter>.
The only problem is i cant initiate a call, i dont receive anything from the module at all.
What could be the problem?
I have double checked the uart connections and they seems to be fine.
Experts please advice.