Here is the Cortelco network for your antique Western Electric and Automatic Electric telephones. This Cortelco network is can be easily installed in many phones including wall phones and payphones.
Now you will have a well balanced phone to use on todays systems with out the popping sound you would get with out using a subset.
This will work on any phone with an Automatic Electric or Western Electric dial.
You will receive wiring diagrams to help you thru your project.