A6 gprs/gsm

I am having a set-up where the u_tx and u_rx are upperside connected to rx and tx of USB to TTL converter and using a terminal emulator programme.
Making a voice call to and from A6 vorks, ok.
Sending SMS from A6 works ok (tried via Arduino).

  • Sending a mobile SMS to the A6, is received -but the output of A6 is mixed up!!! The text cannot be read and the senders number has pair vice been twistet. (eg. 45 is outputted as 54). See attached pic.
    I do hope anybody can HELP?

A6_GSM_sms.png