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Omni 56K II and Omni 56K Plus II User’s Guide
5-22 Command Sets
5.3 Voice AT Commands
Table 5-12 Voice AT Commands
COMMAND FUNCTION OPTION DEFAULT DESCRIPTION
+FLO Select Flow control. 0,1,2 2 0: NO flow control.
1: (XON/XOFF)Software flow control.
2: (RTS/CTS)Hardware flow control.
+VIP Initialize parameters. N/A N/A +VSD=15,70 (15*4, 7 second)
+VTD=100 (1 second)
+VRN=10 (10 second)
+VRA=70 (7 second)
+VGR=0 (Enable AGC)
+VGT=128
+FLO=2 (RTS/CTS)
+VIT=70 (7 second)
+FCLASS Voice/data/fax
selection
0,1,2.0,8 0 0: DATA.
1: CLASS 1 FAX.
2.0: CLASS 2.0 FAX.
8: VOICE.
+FMI? Manufacturer ID. N/A ZyXEL
+FMM? Model ID N/A Omni 56K
II or Omni
56K Plus II
+FMR? Revision N/A V1.x
+VRX Voice recording N/A N/A Start recording.
+VGR Set the gain for the
received voice
sample.
0 0 0: Automatic gain control (AGC)
+VGT Set the gain for the
transmitted voice
sample.
0-255 128 0: Silence
1-255: The larger the value, the louder
the voice will be.
+VLS Select a voice I/O
device.
0,1 (Omni
56K Plus II
only), 2
0 0: The DCE is on hook. A local phone
is connected to the Telco line.
1: The DCE is on-hook and is
connected to the local phone. Power
is also provided to the local phone.
The modem can record/play through
the local
p
hone set.