Network; Connection; Data Connections And Access Points - Nokia N81 User Manual

(Check status). Call barring
data calls.
Call barring and call diverting cannot be active at the same
time.
When calls are barred, calls may be possible to certain
official emergency numbers.

Network

Your device can automatically switch between the GSM
and UMTS networks. The GSM network is indicated with
in the standby mode. The UMTS network is indicated
with .
Network mode (shown only if supported by the network
service provider)—Select which network to use. If you
select Dual mode, the device uses the GSM or UMTS
network automatically, according to the network
parameters and the roaming agreements between the
network service providers. Contact your service provider
for more details.
Operator selection—Select
search for and select one of the available networks, or
Manual to manually select the network from a list of
networks. If the connection to the manually selected
network is lost, the device sounds an error tone and asks
you to reselect a network. The selected network must have
a roaming agreement with your home cellular network.
118 Copyright © 2007 Nokia. All rights reserved.
affects all calls, including
Automatic to set the device to
Glossary: A roaming agreement is an agreement
between two or more network service providers to
enable the users of one service provider to use the
services of other service providers.
Cell info display—Select On
when it is used in a cellular network based on microcellular
network (MCN) technology and to activate cell info
reception.

Connection

To edit access point and other connection settings, press
, and select Tools > Settings
Bluetooth, USB, Access points,
LAN, Data call, SIP settings,
Configurations, or APN control.
For USB settings, see 'USB', p. 79.
For settings for Bluetooth connectivity, see
connectivity', 'Settings', p. 70.

Data connections and access points

Your device supports packet data connections (network
service), such as GPRS in the GSM network. When you use
your device in GSM and UMTS networks, multiple data
connections can be active at the same time, and access
to set the device to indicate
> Connection >
Packet data, Wireless
Internet telephone settings,
'Bluetooth