
Chapter 23 – Verizon® Specific AT Commands
Multi-Tech Systems, Inc. CDMA Wireless AT Commands (PN S000294J)
181
Roaming Indication +WROM
Description
:
This response indicates that the roaming status has changed.
Values: <roam>
0
Roam Icon On (affiliated network)
1
Roam Icon Off (Home)
2
Roam Icon Blink (foreign network)
The following values apply to enhanced roaming:
3
Out of Neighborhood
4
Out of Building
5
Roaming - Preferred System
6
Roaming - Available System
7
Roaming - Alliance Partner
8
Roaming - Premium Partner
9
Roaming - Full Service Functionality
10
Roaming - Partial Service Functionality
11
Roaming Banner On
12
Roaming Banner Off
13 – 63
Reserved for Standard Enhanced Roaming Indicator Numbers
64 – 93
Enhanced Roaming Indicator (+WERI response)
94 – 255
Reserved
Syntax:
Response Syntax:
+WROM: <roam>
Possible Responses
+WROM:1
Enhanced Roaming Indication +WERI
Description:
This response indicates that the enhanced roaming status has changed.
Values: <indicator>
64-93
Index number identifying the roaming indicator entry.
<icon image>
0-15
Verizon®. defined value that specifies the Icon Image that is displayed.
<icon mode>
0-3
Verizon®. defined value that specifies how the Icon Image is displayed (On, Off, Flashing).
<call prompt>
0-3
Verizon®. defined value that identifies the Call Prompt that is displayed for each roaming
indicator. This field is set to a value of ZERO when no call prompt is used. Note that this field is
currently not implemented in the Verizon®. user interface specs. It may be used in the future.
<alert/call id>
0-7
Verizon®. defined value that identifies the Alert Sound that is used for the indicator. The value in
this field reflects the ID of the Alert Sound that the mobile annunciates to the end user.
<chari type>
0-31
Character Encoding Type (Ref TSB58E table 9.1-1). Identifies the character code table used for
the
<text>
field. (Usually set to 2.)
Type
Bit Length
Character Encoding
0
8
Octet, unspecified
1
see IS-91
IS-91 Extended Protocol Message
2
7
7-bit ASCII (ANSI x3.4)
3
7
IA5 (Table 11 of ITU-T T.50)
4
16
UNICODE (ISO/IEC 10646-1:1993)
5
8 or 16
Shift-JIS
6
8 or 16
Korean (KS x 1001:1998)
7
8
Latin/Hebrew (ISO 8859-8:1988)
8
8
Latin (ISO 8859-8:1988)
9
7
GSM 7-bit default alphabet
10-31
x
Reserved
<text>
Verizon® defined variable length field that contains the text data used for the banner. The text
format is specified in the Character Encoding Type. Text field limit: 32 character max length.
Syntax:
Response Syntax:
+WERI: <indicator>, <icon image>, <icon mode>, <call prompt>, <alert/call id>, <chari
type>, <text>
Command
Possible Responses
Note: Example of acquiring service with
enhanced roaming.
+WERI: 69,2,0,0,4,2,”Extended Network”
+WROM:2
Note: Both +WERI and +WROM responses.
Note: Example of acquiring service without
enhanced roaming.
+WROM:1
Note: No +WERI response.