
Chapter 20 – Reference Information
Multi-Tech Systems, Inc. CDMA Wireless AT Commands (PN S000294J)
148
Message Service Failure Result Code: +CMS ERROR: <err>
<error>
Meaning
Resulting from the Following Commands
55-147
Reserved
148
Unsupported serial port baud rate
+WPPP
149
Socket transmit timeout
+WSTX
150-239
Reserved
240
FDN is active and number is not in FDN
+CMGS, +CMSS
241-301
Reserved
302
Operation not allowed
All SMS commands (+CMSS, +CMGL, +CPMS…
303
Reserved
304
Invalid mode parameter
+CMGS, +CMGW
305
Invalid text mode parameter
+CMGS, +CMGW, +CMSS
306-320
Reserved
321
Invalid memory index
+CMGR, +CMSS, +CMGD
322-339
Reserved
340
No +CNMA acknowledgement expected
+CNMA
341
Non Volatile Memory failure
All SMS commands
342-499 Reserved
Specific Error Result Codes
<error>
Meaning
Resulting from the Following Commands
500
unknown error.
All commands
501-512
Reserved
513
Lower layer failure (for SMS)
+CMGS, +CMSS (+CMS ERROR: 513)
514
Reserved
515
Please wait. Initialization or command processing in
progress.
Phonebook Initialization
516-518
Reserved
519
Reset the product to activate or change a new echo
cancellation.
+ECHO, +VIP
520-530 Reserved
531
Only FDN phonebook entries can be sent when the
FD facility is enabled.
+CMGS, +CMSS
532-599 Reserved
Extended Error Report (+CEER) Call Processing Codes
Cause Value
Diagnostic
0
No error detected in call processing
1
No CDMA service detected
2
Modem is in a call, operation not allowed
3
Modem is not in a call, operation not allowed
4
Modem is in an unknown call state
5
Call Barring is ON
6
Invalid or Not allowed CDMA Service Option
7
Invalid Parameter
8
Operation only allowed during an incoming call
9
Invalid Mode Selection
10
Invalid Roam Selection
11
Invalid Band Selection