Chapter 13 – Specific AT Commands
Multi-Tech Systems, Inc. Wireless GSM/GPRS AT Commands (Document Number S000293I) 108
• Combination of the requested dump is supported (addition of the values 1, 2, 4, and 8):
V
alue Requested Dump
V
alue Requested Dump
1 +CCED response: Main Cell only 9 +CSQ response; then +CCED response with
Main Cell only
2 +CCED response: Neighbors 1 to 6 10 +CSQ response; then +CCED response with
Neighbors 1 to 6
3 +CCED response: Main Cell; then Neighbors 1
to 6 11 +CSQ response; then +CCED response with
Main Cell; then Neighbors 1 to 6
4 +CCED response: Timing Advance Only 12 +CSQ response; then +CCED response with
Timing Advance Only
5 +CCED response: Main Cell; then Timing
Advance 13 +CSQ response; then +CCED response with
Main Cell; then Timing Advance
6 +CCED response: Neighbors 1 to 6; then
Timing Advance 14 +CSQ response; then +CCED response with
Neighbors 1 to 6; then Timing Advance
7 +CCED response: Main Cell; then Neighbors 1
to 2, then Timing Advance 15 +CSQ response; then +CCED response: Main
Cell, then Neighbors 1 to 6, then Timing Advance
8 +CSQ response: Main Cell RSSI indications 16
-------
No
value
+CCED response: Main Cell, then Neighbors 1 to
6, then Main Cell Timing Advance, then
Neighbor1 to Neighbor6 Timing Advance
-----------------------------------------------------------------
Last value used for CCED request or 15
• If requested dump parameter is not provided, one of the last +CCED commands sill be used (or 15 by default) will
be used.
• Values of MCC/MNC are set to 0 in the case of “No service”.
Syntax: Command syntax: AT+CCED=<mode>[, <requested dump>]
Command Possible responses
AT+CCED=0
Note: Last request was AT_CCED=0,3 (main cell
and neighbors 1 to 6): you can see MCC,MNC
sequences (here 208,20)
+CCED:208,20,0002,0418,37,706,24,,,0,,,0,208,20,0006,98
9b,37,835,20,208,,20,0002,02a9,37,831,12,208,20,0101,79
66,34,818,508,20,0006,9899,39,713,9,208,20,0002,0a72,3
3,711,12,208,20,0101,03fb,36,824,10,1
OK
AT+CCED=0,1
Note: Only Main Cell request +CCED:208,20,0002,0418,37,706,25,,,0,,,0
OK
AT+CCED=0,1
Note: Call in progress: RxLev and RxQual are
empty, RxLevFull, RxLevSub, RxQualFull, and
RxQualSub have data
+CCED:208,10,189C,,19,85,,31,32,,0,0
OK
AT+CCED=1,8,1
OK
+CSQ: 12,99
+CSQ: 13,99
AT+CCED=0,16
Note: idle mode
+CCED:
208,20,0006,0418,54,789,,,,255,,,0,208,20,0,0006,57,1018,
20,208,01,7500,6497,17,55,17,208,10,54c4,f0ed,31,700,9,
208,20,0006,7d9a,50,1023,8,208,20,0002,9a29,48,1015,7,
1,1,1,2,1,2
OK
Note: 1,1,1,2,1,2 correspond to the Main Cell Timing
Advance and 5 Neighbors Timing Advance
AT+CCED=0,16
Note: dedicated mode
+CCED:
208,20,0006,0418,54,789,,19,19,0,0,,,,,,41,801,6,,,,,57,101
8,20,,,,,48,1015,10,,,,,57,1006,4,,,,,50,1023,7,,,,,57,814,3,1,
,,,,,
OK
Note: Neighbors Timing Advances are not available in
dedicated mode
AT+CCED=1,16 +CME ERROR: 3