ZyXEL Elite 2864 User Guide - Page 201
At+fclass=2
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DTE AT+VSM=4 DCE → AT+VLS=2 AT+VTX ← OK → ← VCON → ← CONNECT → ← c or 5 → → ← OK AT+FCLASS=2 ATA → ← OK → Switches to fax mode and answers the fax call... Description Selects 4-bit ADPCM for the greeting message. Connects to the line. Starts to play the greeting message. T.30 fax calling tone or DTMF digit '5' is detected. Returns to the command state. Switches to fax mode. Tries to handshake in the fax mode. Note: If a modem data tone is detected - a e response, the modem should be switched to data mode. Answering machine (Data call) DTE AT+FCLASS=8 AT+VSM=? DCE Description → Switches to voice mode. ← OK → ← 2;ADPCM;2;0;(9600) 3;ADPCM;3;0;(9600) 30;ADPCM;3;0;(9600) 4;ADPCM;4;0;(9600) OK 16-25
16–25
Answering machine (Data call)
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 greet-
ing message.
←
CONNECT
<DATA>
→
←
<DLE>c
or
<DLE>5
T.30 fax calling tone
or
DTMF digit '5' is detected.
<DATA>
→
<DLE><ETX>
→
←
OK
Returns to the com-
mand state.
AT+FCLASS=2
→
Switches to fax mode.
←
OK
ATA
→
Tries to handshake in the
fax mode.
Switches to fax mode and answers the fax call…
Note:
If a modem data tone is detected - a <DLE>e response, the modem
should be switched to data mode.
DTE
DCE
Description
AT+FCLASS=8
→
Switches to voice mode.
←
OK
AT+VSM=?
→
←
2;ADPCM;2;0;(9600)
3;ADPCM;3;0;(9600)
30;ADPCM;3;0;(9600)
4;ADPCM;4;0;(9600)
OK
DTE
DCE
Description