Chapter 10 – Network Service Commands
Default Cell Band +WDCB
Description:
Syntax:
This command allows the user to display or override the Auto-A or Auto-B selection made by a
prior AT+WRMP command or an OTASP session. The Auto-A/Auto-B selection determines which
cell bands, if any, are scanned when the channels listed in the PRL are not found. If the Auto-
A/Auto-B feature is enabled, the default cell band is set based on the value of the home SID. The
+WDCB command can be used to select the cell band, or none, as the default, or fallback.
This setting is persistent across power-downs.
Note: Command may not be available in all software variations due to carrier requirements.
Command syntax: AT+WDCB=<value>
Command
AT+WDCB=?
Note: Display valid parameter range.
AT+WDCB?
Note: Display current setting.
AT+WDCB=1
Note: Select A-band Cellular as fallback.
Possible Responses
+WDCB: (0-2)
OK
+WDCB: 2
OK
OK
Values:
<value>
0
1
2
No fallback. Only entries in the PRL are scanned.
A-band Cellular is selected as fallback.
B-band Cellular is selected as fallback.
Roaming Indication +WROM
Description:
This response indicates that the roaming status has changed. This command can also be used in
a read only capacity in order to read the roaming status at any time.
Syntax:
Response Syntax: +WROM: <roam>
Command
Possible Responses
AT+WROM +WROM: 0
OK
AT+WROM? +WROM:1
OK
+WROM:1
Values:
<roam>
-1
0
1
2
X
Service Unavailable (For Read Only)
Home.
Roam Icon ON (affiliated network)
Roam Icon Blink (foreign network)
Enhanced Roaming Indicator value if ERI is enabled
The following values apply to enhanced roaming:
3
4
5
6
7
8
9
10
11
12
13 - 63
Out of Neighborhood
Out of Building
Roaming - Preferred System
Roaming - Available System
Roaming - Alliance Partner
Roaming - Premium Partner
Roaming - Full Service Functionality
Roaming - Partial Service Functionality
Roaming Banner On
Roaming Banner Off
Reserved for Standard Enhanced Roaming Indicator Numbers
64 - 127 Reserved for Non-Standard Enhanced Roaming Indicator Numbers
128 - 255
Reserved
Multi-Tech Systems, Inc. CDMA C1 AT Commands Reference Guide (PN S000478C)
51
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