To view the network connection status
ATS57?
Autonomous reporting
ATS103=0 (OFF)
ATS103=1 (ON)
To view last registration error
ATS200?
To view the current RSSI value
ATS202?
To view the current Block Error Rate
ATS203?
To view the current channel
ATS204?
To view the current Cellular ID
ATS205?
To view the current color code
ATS206?
To view the current power level
ATS207?
To view the current Symbol Error Rate.
ATS208?
To view the current power product
ATS209?
To reset authentication keys to zero
ATAUTH
To View the number of NVM failures.
ATAF?
To reset the register to zeros.
ATAF=0
PING, to send a ICMP Ping message
ATPING<IP Address>/<Length>
To view the current MRU setting
AT#MRU?
Set the MRU value
AT#MRU=xxx
Query the call progress selection
ATX?
Set the call progress selection
ATX=xx