Payphone how did communication look in the bell era

Payphones are coin operated telephones which is used for communication purpose.

Explanation:

The payphone is usually a coin-operated common telephone, frequently found in a pre-payment telephone booth by inserting coins or a phone card or by billing a credit or debit card. These are usually found in public places to subscribe to the notion of universal access to essential communication facilities. Payphones were universal worldwide in the past, but their predominance has decreased significantly over the years due to the rising availability of cell phones, even mobile phone assistance is not uniformly available in emergencies.

Nm-us history and geography