[Bug 256] GSM Modem doesn't seem to work on some devices (no serial communication possible)

bugzilla-daemon at bugzilla.openmoko.org bugzilla-daemon at bugzilla.openmoko.org
Thu Oct 18 17:13:24 CEST 2007


philipp.zabel at gmail.com changed:

           What    |Removed                     |Added
             Status|REOPENED                    |RESOLVED
         Resolution|                            |FIXED

------- Additional Comments From philipp.zabel at gmail.com  2007-10-18 17:13 -------
This bug is about non-working serial communication with the GSM Modem.
As you get answers to AT commands the problem *obviously* is something else, so
closing this again.
Your issue might be an incorrectly entered PIN (note the error after
AT+CPIN="1234", try AT+CPIN? before) and maybe failed operator selection.
AT+COPS is invalid, and I think it's a firmware bug that the Calypso accepts it.
The specs say that you should use AT+COPS=0 for automatic operator selection.

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