First Sentence
It is often easier to understand the present from a historic perspective that adds context and background to what can otherwise be a knowledge black hole. Read the first page
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These are the most frequently used words in this book.
access
address
applications
area
available
based
between
billing
business
call
case
chapter
class
communications
connection
content
control
core
customer
data
devices
different
end
equipment
even
example
figure
first
ggsn
gprs
grx
gsm
handset
home
however
information
infrastructure
interface
internet
ip
level
location
manufacturers
market
may
means
mobile
model
must
need
network
new
nodes
number
offer
operators
packet
part
phone
point
products
protocol
provide
providers
public
radio
rates
required
requirements
resources
roaming
security
server
services
sgsn
should
sms
specifications
standards
subscribers
support
system
technology
terminal
test
time
today
traffic
transmission
two
type
use
used
user
via
voice
wap
wireless
work
world
