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The number you are calling may not support V.90 protocols. Some ISPs
(Internet Service Providers) have special numbers that you must call to
connect to V.90. Contact your service provider and ask if the number you
are calling supports V.90 connections to their service.
Check the maximum speed setting in the Modem Properties window.
Go to Start-Settings-Control Panel and double-click the Modems icon.
Highlight your modem by clicking once on the icon next to the modem
and then click the Properties button. Select the General tab and look at
the setting in the Maximum speed box. Make sure this is set to 115200.
You may have other telephone devices connected to the phone line. To
help your modem achieve the best connection possible, remove all extra
devices connected to the telephone line when the modem is in use. This
includes extension phones, answering machines, cordless phone bases,
caller ID boxes, etc. Dont just disconnect the phone cable from the units.
Disconnect the phone cable from the wall. This reduces the load on your
phone line and keeps signal attenuation to a minimum. Not having loose
phone line cords coming from your phone line sockets will help reduce
the possibility of interference being transmitted to the phone line.
Keep the length of your phone line cable to 10 feet or less. Dont use an
unusually long cable to connect to the phone line socket. If necessary,
move the computer closer to the phone socket. Dont lay your cabling
close to an electrical appliance like a refrigerator or air conditioner unit.
High current devices can transmit 60 cycle hum to your modem through
the phone cord. This may cause frequent renegotiations or line discon-
nects while the appliance is running.
If you are attempting to make a call from an office, are you using a direct
outside line or are you using a PBX hookup? If you have to dial 9 to
reach an outside number, you are using a PBX. Do not use this modem
on a digital or PBX system. The modem is not compatible with these
types of phones systems. Try using the line that is connected to a fax
machine. Fax machines are normally connected to a dedicated line and
not through the PBX.
Your phone line may not support a 56K connection.