Specifications

White Paper Z200/Z208
14 February 2004
Improve productivity
Improve and simplify the communication flow
within an organization by making information avail-
able to mobile users. A company or organization
can use a WAP gateway to provide a secure con-
nection to the company network for their users.
The WAP profiles
The Z200/Z208 holds up to 5 WAP profiles, each
with a group of network settings and a home page.
If you provide a corporate WAP service on your
Intranet, it is useful to enter an Intranet WAP profile
in user phones. The WAP profile holds network set-
tings and user identification. Users can easily
switch between corporate services and WAP serv-
ices on the Internet, simply by switching WAP pro-
file.
Connection-orientated WAP
The Z200/Z208 supports connection-oriented WAP
over GSM as well as GPRS data. In general, this
means that the connection between the WAP
browser in the phone and the WAP Gateway is
maintained in a session with error recovery serv-
ices. This provides high reliability with a reduced
risk of errors in transmission, and improves effi-
ciency in WAP browsing.
Bearer type characteristics
The Z200/Z208 accesses WAP services over IP. IP
can be provided either over GSM Data or GPRS,
depending on network services.
Typical differences that distinguish the bearer types
are listed below.
GSM data access
• Circuit connection of data calls, means that the
phone is connected during the entire WAP ses-
sion.
• Pricing is comparable to that of data calls in the
network.
GPRS access
• The connection is maintained “constantly”, with
data transmitted in packets, and transmission
capacity of the application in use on an as-
needed basis.
• GPRS offers higher transmission speed than
with GSM Data or SMS access.
• Pricing of GPRS can be dependent on the
actual use of bandwidth, which means the user
is charged for the volume of data transmitted,
rather than the duration of the connection.
• While transmitting large amounts of data, band-
width can be increased automatically to allow
faster transmission speed.
• Ideal for complex pull services, browsing, data
transfer, provisioning, pager services, messag-
ing services, info services, push initiations.
Security using WAP
The Z200/Z208 supports WAP 1.2.1, a version of
the Wireless Application Protocol that includes
WTLS class 2.
While using certain WAP services, the user may
want more security than normal, for example when
using banking services. The user establishes a
secure connection between the phone and the
WAP gateway.