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ZyXEL Communications 2864 User Manual

Page 202

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16–26

AT+VSM=4

Selects 4-bit ADPCM for
the greeting message.

OK

AT+VLS=2

Connects to the line.

VCON

AT+VTX

Starts to play the greeting
message.

CONNECT


OK

Returns to the command
state.

AT+VSM=2

Changes to 2-bit AD-
PCM for recording.

OK

AT+VRX

Starts recording.

CONNECT

s

The DCE detects silence.

Stops recording.

The DCE delivers the re-
maining data.

OK

Returns to the command
state.

(The DTE ought to delete this silence file.)

AT+FCLASS=0

Switches to data mode

OK

ATA

Tries to handshake in
data mode.

Switches to data mode and answers the data call…

Note:

If a modem data tone is detected - a e response -, the mo-
dem should be switched to data mode.

DTE

DCE

Description