Sony PCG-K215B Hardware Manual page 36

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Your computer cannot be connected to a coin-operated telephone, and may not work with multiple phone lines or a private
branch exchange (PBX). If you connect the modem to a parallel connected phone line, the modem or the other connected device
may not function properly. Some of these connections may result in excess electrical current and could cause a malfunction in
the internal modem.
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Only DTMF (Dual Tone Multi Frequency) signalling (tone dialling) is supported.
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Before using the modem, it will be necessary to select the country where you are actually using it. The detailed procedure for
selecting your present location is explained in Configuring your modem in the Software Guide.
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Do not pull the flexible cover too forcefully.
My modem connection is slow
Many factors influence modem connection speed, including telephone line noise or compatibility with telephone equipment (such
as fax machines or other modems). If you think your modem is not connecting properly to other PC-based modems, fax machines,
or your Internet Service Provider, check the following:
❑
Have your phone company check that your phone line is free from any line noise.
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If your problem is fax-related, check that there are no problems with the fax machine you are calling and that it is compatible
with fax modems.
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If you are having a problem connecting with your Internet Service Provider, check that the ISP is not experiencing technical
problems.
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If you have a second phone line available, try connecting the modem to that line.
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Using your VAIO computer