Imagine a bank where every ATM had their own queue and
you, the customer, could not change queues. You could be standing waiting
for service while a neighbouring ATM had no customers. Placing a call
on a conventional radio system can be just as frustrating. Your channel
may often be busy while neighbouring channels are available and under-utilised.
Conventional ATM.
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Trunked ATM.
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Just as a modern bank provides access to a pool of ATM's, trunking provides
access to a shared pool of radio channels. When you want to place an
individual or group call, a channel is allocated to all participants.
The call takes place in private and once it's completed, the channel
is returned to the pool for others to use. Sharing channels increases
the availability of airtime to all users. The result is increased quality
of service and reduced infrastructure and operating costs
