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HSCSD (High Speed Circuit Switched Data)
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Copyright © 2005 Nokia. All rights reserved.
HSCSD (High Speed Circuit Switched Data)
The car phone enables you to use GSM high-speed data services
(network service).
You can use high-speed functionality when your car phone is
connected to a compatible computer by means of an RS232
cable or Bluetooth wireless technology and when the modem
drivers supporting high-speed data software are installed on
the computer and selected as an active modem.
For information on the availability of and subscription to high-
speed data services, please contact your network operator or
service provider.
Reference information
Cellular transmission
Your car phone employs the data transmission capabilities of
the GSM network to send faxes, text messages, and e-mail, as
well as to establish connections with remote computers
(network services).
GSM data capabilities of your car phone
We recommend that you move the car to a location where the
strongest possible cellular signal can be obtained. A stronger
signal allows more efficient data transmission.
Cellular data communications are subject to a number of
factors that may cause interference:
Noise
Radio interference from electronic equipment and devices or
from surrounding traffic may impact the transmission quality.
Handovers
As the car phone user moves from one network cell to another,
the signal strength of the channel drops and the cellular
telephone exchange may hand the user over to a different cell
and frequency where the signal is stronger. A cell handover may
also occur when the user is stationary due to varying cellular
traffic loads. Such handovers may cause delays.
Dead spots and dropouts
Dead spots are areas where radio signals cannot be received.
Dropouts occur when the car phone user passes through an area
where the radio signal is blocked or reduced by geographic or
man-made obstructions such as hills or high buildings.