Sony Ericsson P800 User Manual page 157

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GPRS Advanced tabs
IP address types
There are four different types of IP addresses:
• IPv4 : Consists of four 3-digit boxes and valid input is
between 000 and 256 in each box.
• IPv6 : Consists of eight hexadecimal boxes and valid input
is between 0000 and FFFF in each box.
• IPv4 compatible : Consists of four 3-digit boxes and valid
input is between 000 and 256 in each box.
• IPv4 mapped : Consists of four 3-digit boxes and valid
input is between 000 and 256 in each box.
IPv4 is the most common addressing method.
Proxy
A proxy server is a computer connected between your
P800 and the computer you communicate with. This
arrangement can be used for connections to Remote Sync
servers, or within a company network. If this setting is
needed, your company's Information Services department
or Remote Sync provider must give you instructions.
Other If your ISP supports Point to Point Protocol (PPP)
extensions, you can select the
check box. PPP extensions allow your P800 to provide
features such as encryption, which increases the security of
your Internet connection.
Control panel
Enable PPP extensions
GPRS Advanced tabs
Authenti Authentication is used by some network operators to
cation identify the mobile phone connecting to their GPRS
network. There are different methods, or protocols, for
doing this.
Normal : PAP (Password Authentication Protocol). The
user's username and password are transmitted over the
network in an unencrypted form.
Secure : CHAP (Challenge Handshake Authentication
Protocol). The user's username and password are never
transmitted over the network.
None : No authentication is required by the network
operator.
Your ISP may require plain text authentication. If you
select the
Plain text authentication
of your connection will decrease during the connection
process. Once you are connected, the security of your
connection will be restored.
QoS Check with your network operator before changing any of
the QoS (Quality of Service) settings.
If your operator supports the use of
selecting On can speed up your connection.
The settings Precedence
are all by default set to Subscribed
operators default QoS (Quality of Service) values will
apply. Reliability is set as
check box, the security
Header compression ,
, Delay , Peak rate , and Mean Rate
, which means that your
Class 3 by default.
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