Multi-Tech Systems CDMA Wireless Modem - Manual (Page 18)

Chapter 3 – Unsolicited AT Result Codes
Multi-Tech Systems, Inc. CDMA Wireless AT Commands - PN S000294C 18
Incoming Message Stored in Memory +CMTI
Description: This response indicates that an incoming message has been received and according to the
message storage preferences (+CNMI), is to be stored in memory.
Value: <mem> NVRAM storage area (always “MT” for this response)
<index> location of message within storage area
Syntax: Response syntax: +CMTI: <mem>,<index>
Example Result
+CMTI: “MT”,5
Note: Incoming message received and stored in “MT” memory at index 5
Mode Preference +COPS
Description: This response indicates that a change in mode preference has taken place. See +COPS,
Mode Preferences, in chapter 6 for information about Changing Mode Preference.
Values: <mode> (For System Determination 2.0)
0: Automatic.
1: CDMA only.
2: CDMA or AMPS only.
3: Analog only.
<term>
0: Permanent – this mode persists until another +COPS command is issued
1: Power cycle – this mode persists until power cycle is performed
Syntax: Response syntax: +COPS: <mode>,<term>
Example Result
+COPS:0,0
Note: Unsolicited +COPS result confirms Automatic mode is requested.
+COPS:2,0
Note: Unsolicited +COPS result confirms CDMA or AMPS only mode is requested.
Registration & Roaming +CREG
Description: This response indicates the current state of roaming. See +COPS, Mode Preferences, in
chapter 6 for information about Changing Mode Preference
Values: <stat>
0: not registered, MS is not currently searching for a new operator.
1: registered, home network.
2: not registered, MS currently searching for a base station.
4: unknown.
5: registered, roaming
Syntax: Response syntax: +CREG: <stat>
Example Result
+CREG
: 1
Note: Modem has found the home network and is registered.