no response from gsm modem

[Timo Juhani Lindfors]

Test <chlework2000 at yahoo.com> writes:
> I could not get any response from gsm modem. not sure why? see below
>  
>  
> GTA02v6 # neo1973 gsm on
> GTA02v6 # terminal serial
> Entering terminal mode for port serial
> Use '~.' to leave the terminal and get back to u-boot
> ATE1

Try sending the command multiple times in a row. GSM will sleep very
fast and ignore the first command it sees when it wakes up.