Symbol PDT 8000, Product Reference Manual

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10-4
PDT 8000 Series with Windows
®
Mobile 2003 Software for Pocket PCs Product Reference Guide
The WWANSTS application resides on the \platform directory of the PDT80XX WAN
terminal and, by default, is run automatically whenever a reset is done on the terminal. The
application runs as a background task and allows the terminal to run an application on
Com0 (sending AT commands and SMS messages and doing voice calls) while also
running a data application on Com 8 or Com 9.
Note: If an application on Com 0 sends commands to the modem in
pieces, there is a chance that the outgoing data can be intermingled
with the signal strength query command. Also, if the command (or
SMS message) being sent is longer than 31 characters, it will get
broken up into multiple packets and could possibly get interrupted by
the signal status request. If this issue inhibits the correct operation
of a users application, the WWANSTS application can be removed
from auto-running by renaming \platform\wwansts.cpy to
\platform\wwansts.txt.