TELEPHONE No's N20129 & N20130


Code No. No. of press keys Purpose
N20129 1 Main station
N20129A 1 Main station
N20129B 2 Main station
N20130 None (shown) Extn station with buzzer

Compact style main telephone (N20129) used with extension telephones (N20130) on PAX systems.

The press key is fitted in the case to the right of the dial.  In the case of a 2 button variant, the second key is fitted on the right hand side of the telephone casing, directly under the cradle.

N20130 extension telephone had a DC buzzer only and no press buttons.  The buzzer was line powered.

Introduced around 1932.

The N20129A had a switch fitted for preference facilities.

Click here on how to identity different models and circuit diagrams

Click for more information on Compact telephones


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Last revised: September 15, 2022