bikashh
Full Member level 5

dear friends,
I am trying to test calling function in my GSm module MC55i.but cannot hear anything on speaker.
for testing purpose i've connected my speaker directly between speaker out(pin 49) and module ground(pin 42).
what is the possible problem?
thanks in advance.
I am trying to test calling function in my GSm module MC55i.but cannot hear anything on speaker.
for testing purpose i've connected my speaker directly between speaker out(pin 49) and module ground(pin 42).
what is the possible problem?
thanks in advance.