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Troubleshooting 21
Init String Definition
ATW2S7=150+MS=V90
OR
AT&F+MS=V92
S7 Sets wait time for remote carrier,
wait time can be 1-255 seconds
AT&FS7=150 &F Sets factory defaults
AT&F&C1&D2\N5\A2=1S7=100
&C1
DCD (Data Carrier Detect) follows
the remote carrier signal
&D2 DTR (Data Terminal Ready) reacts
with a disconnect, sends “OK” re-
sponse and disables auto-answer
while DTR signal is OFF
\N5 MNP Error Correction Only
\A2 Maximum block size: 192 characters
Problem: Modem-on-Hold is not working. (V.92 modem Win-
dows users only)
Solution:
You may have disabled Call Waiting in your dial up net-
working settings. For example, in the US, if you included
*70,
in your phone number to dial, you have disabled Call
Waiting.
Your ISP may not support V.92. Check with your ISP.
Confirm that you have established a V.92 connection.
Modem-on-Hold will not work with a V.90 connection.
Your phone line may not have Call Waiting enabled. In
order to use Modem-on-Hold, your phone must support
Call Waiting/Caller ID (Type 2 Caller ID). Please check
with your local telephone company.
Your modem firmware might be out of date. Please visit
the modem’s Web site to upgrade your firmware.