Alternate Line Service +Wals - Multitech MMCModem GPRS (MTMMC-G) Reference Manual

Alternate Line Service +WALS

Description:
This command allows you to set and to get the active line. The CPHS command can be used to know
which line is active.
Values: <CmdType>
<Lineld> Used only for <CmdType>
Syntax: Command syntax: AT+WALS = <CmdType>[,<Lineld>]
Response syntax to AT+CPHS=2,3: +WALS = <Lineld>
Command
AT+WALS?
AT+WALS=?
AT+WALS = 0,1
Note: Activate Line 1
AT+WALS = 0,2
Note: Activate Line 2
AT+WALS = 1
Note: Get the current Active Line
AT+WALS = 1,2
AT+CPHS=0,3
Note: Deactivation of ALS feature
AT+CPHS=2,3
Note: Interrogate ALS feature
Multi-Tech Systems, Inc. Wireless GSM/GPRS AT Commands (Document Number S000293I)
0
Set active line
1
Get active line
1
Line 1
2
Line 2
Possible responses
+WALS: 1
OK
Note: Display current active line
+WALS: (0-1),(1-2)
OK
+WALS: 1
OK
+CME ERROR: 3
Note: When the ALS feature is not allowed
+WALS: 1
Note: Display the current Active Line
+CME ERROR: 3
Note: Syntax error
OK
Note: No effect
+WALS: 1
Note: Display the current Active Line
+CME ERROR: 3
Note: In the case where the ALS feature is not allowed
Chapter 13 – Specific AT Commands
132