Airlink EDGE/GPRS - Manual (Page 8)

PinPoint-E EDGE/GPRS - User Guide, version 2.32 2
Introduction to PinPoint-E EDGE/GPRS
Establishing an Internet Connection
The PinPoint-E uses Your Wireless Service Provider as an ISP (Internet Service Provider) to con-
nect you to the Internet.
Steps of a connection:
Dynamic vs. Static IP Addresses
As stated above, when your PinPoint-E registers on Your Wireless Service Provider’s network, it
receives an IP address. There are two types of addresses on networks: dynamic and static.
• Dynamic addresses are assigned on a “need to have” basis. Your PinPoint-E might not always
receive the same address each time it connects with Your Wireless Service Provider.
• Static addresses are permanently assigned to a particular account and will always be used
whenever your PinPoint-E connects to the Internet. The IP address will not be given to anyone
else.
Most ISPs (cellular included) use dynamic IP addresses rather than static IP addresses since it
allows them to reuse a smaller number of IP addresses for a large number of customers. A
dynamic IP address is suitable for many common Internet uses, such as web browsing, looking up
1. When your PinPoint-E is powered on, it automatically searches for cellular service using
EDGE/GPRS.
2. Your PinPoint-E establishes a PPP (Point to Point Protocol or “dial” up connection) link to
Your Wireless Service Provider’s network, also called registering on the network, and receives
an IP address.
3. When your PinPoint-E has received its IP address from Your Wireless Service Provider, then
it is ready to allow you to connect to the Internet.
FIGURE 2. Using the PinPoint-E to connect to the Internet
Internet
EDGE/GPRS