Motorola UbiSurf SM56 At Commands Reference Manual page 24

Table 4: AT+ (Plus) Commands
-22
Command Command Option Option
Command Command Option Option
0
300 - 60000
+VCID
+VCID=0
+VCID=1
+VCID=?
+VDR
+VDR=m,n
m options:
0
1
n options:
0
1-255
+VEM
Data/Fax/Speakerphone modem only
+VGR
Data/Fax/
Speaker-
phone
modem
only
0
1-255
+VGT
Data/Fax/Speakerphone modem only
Motorola Confidential Proprietary
Description Description
Description Description
Use the maximum rate of the specified modulation
mode
bps
Caller ID Control
This option takes effect only where the function is
supported. Data/Fax modems do not support this
option.
Disable
Enable
Display Caller ID Status (returns 0 or 1)
Distinctive Ring Control and Report
This option takes effect only where the function is
supported. Data/Fax modems do not support this
option
Note
If Distinctive Ring is enabled, the first ring
reported by the modem may be incorrect.
Specifies control
Disable
Enable
Specifies reporting
Produce DROFF/DRON report, no RING
Produce DROFF/DRON, followed by RING after
delay of n/10 seconds
Event Reporting and Masking Control
Bit-mapped event control mask. See Event Report-
ing Word.
Receive Gain
Automatic Gain Control
Relative range, where 128 indicates a nominal value.
Transmit Volume