AT#DWCFG?
Read command returns the current settings in the format:
#DWCFG:
<serverUrl>,<deviceIDSelector>,<appToken>,<security>,<heartBeat>,<autoReconne
ct>,<overflowHandling>,<atrunInstanceId>,<serviceTimeout>,<contextID>,0,0,0
AT#DWCFG=?
Test command returns the supported range of parameters <deviceIDSelector>,
<security>, <heartBeat>,
<AutoReconnect>,<overflowHandling>,<atrunInstanceId> and <serviceTimeout> and
the maximum length of <serverUrl> and <appToken> parameters.