Australian Post Office
Telephone No. 271

This is a range of telephones for use on Automatic or CB telephone exchanges with interconnection of up to two extension telephones.

These telephones were available as Intermediate or Extension stations.  The Intermediate station is the master and has access to both the exchange line and the extensions.   They are all fitted with either a magneto generator or push buttons for signalling internally.

They all have the same type number but are suffixed differently.

Made by ETL (Ericsson) they are numbered as follows:-

Click on the links for more information.

The 271/45 uses a 300MT or MW as the extension telephone. 

For secrecy working transfer the link on terminals 5 and 6 to terminals 3 and 4.

No. 271/41
Magneto intermediate telephone

No. 271/42
Battery intermediate telephone

No. 271/43
Magneto extension telephone

No. 271/44
Battery extension telephone

No. 271/45
Magneto Intermediate telephone

Last revised June 15, 2025

FM2