There are a number of options to get connected to a mobile phone network and one of those is on a plan. On a plan you recieve a bill at the
end of every month with charges for calls and services you've used. Plans generally come in a number of options and it's a matter of choosing the right one to suit your needs.
It basically comes down to how you use your phone as to what the best plan will be. Plans are generally structured in a format where for example -
$30 monthly plan gets you $100 worth of calls, messages or services and this is called a capped plan. Other plan options may be $30 per month with $30 worth of calls which instead of a call bonus you
may be offered a handset at no charge.
Call rates are generally charged in blocks, a flagfall is a fee at the start of most calls (like the flagfall in a taxi), voicemail or messagebank, added services are all things that may differ on price from plan to plan. Again it depends on how
you use the service as to what the best will be for example someone who is unable to answer there phone at all times may use voicemail a lot, so look for a plan with reasonable call rates a free voicemail alternatively if text
messages is something used a lot look for cheap sms rates.
Different strokes for different folks, and all of these things - phone price, call rates etc. need to be balanced up to suit you when choosing a mobile phone plan.
Other factors include contract length and does the carrier offer the services you might want like content services, online purchase and account management, call fowarding, directory services etc.
When buying a mobile phone the next choice is the phone itself, which can depend on your budget and the features your looking for. See mobile phone reviews