Nokia N81 - Manual (Page 128)

Settings
128
Ad-hoc channel (only for Ad-hoc )—To enter a channel
number (1-11) manually, select User defined .
Proxy server address —Enter the address for the proxy
server.
Proxy port number —Enter the proxy port number.
Packet data
The packet data settings affect all access points using a
packet data connection.
Packet data connection —If you select When available
and you are in a network that supports packet data, the
device registers to the packet data network. Starting an
active packet data connection (for example, to send and
receive e-mail) is quicker. If there is no packet data
coverage, the device periodically tries to register to the
packet data network. If you select
When needed , the
device uses a packet data connection only if you start an
application or action that needs it.
Access point —The access point name is needed to use
your device as a packet data modem to your computer.
Wireless LAN
Show WLAN availability —Select whether is
displayed when a wireless LAN is available.
Scan for networks —If you set Show WLAN availability to
Yes , select how often the device searches for available
wireless LANs and updates the indicator.
To view advanced settings, select Options > Advanced
settings . Changing wireless LAN advanced settings is not
recommended.
Data call
Select User defined or Unlimited to define the time-out
period after which data call connections automatically end
if no data has been transferred. If you select
Unlimited , the
connection stays active until you disconnect it.
SIP settings
SIP (Session Initiation Protocol) settings are needed for
certain network services using SIP, such as video sharing.
You may receive the settings in a special text message
from your service provider. You can view, delete, or create
these setting profiles in
SIP settings .
Internet telephony
To create or edit an internet call profile to make internet
calls, select
Options > New profile or Edit . Select SIP
profiles and the profile you want to use for internet calls.