Page 13 - eBOOK FUNDAMENTAL OF TELECOMMUNICATION NETWORK

Invention Era

Issue:

1. Not all civilian are capable to subscribe the telephone

service. It is an expensive service due to end-to-end

connection.

2. The existing subscriber demand for more connection,
require more telephone set and require special space.

Solution:
The telephone exchange was introduced to enable the

switching.

The switching is executed manually by the operator.

The operator will connect the wire between the caller

and the receiver.

By switching, the telephone service become a mass

product.

It enables the customer to have more connection.

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