
Chapter 7 – Status Commands
26 Multi-Tech Systems, Inc. CDMA C1 AT Commands Reference Guide
CMS
Error Codes:
Invalid text mode parameter
No +CNMA acknowledgement expected
Non Volatile Memory failure
Cellular Result Codes +CRC
Description: This command gives more detailed ring information for an incoming call. Instead of the string
“RING”, an extended string is used to indicate which type of call is ringing (e.g., +CRING:0).
These extended indications are:
Circuit switched data calls
Packet switched data calls
For markov, loopback, and test calls
For non-standard OTASP calls
Note: To see +CRING: xx responses, use the AT+WUSLMSK command to enable
+CRING unsolicited messages.
Syntax: AT+CRC
AT+CRC=0
Note: Extended reports disabled
AT+CRC=1
Note: Extended reports enabled
AT+CRC=?
Note: Show range
AT+CRC?
Note: Show current value
Phone Activity Status +CPAS
Description: This command returns the activity status of the mobile equipment.
Syntax: AT+CPAS
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