Abstract: An electronic private branch exchange system with a message recording function comprises a private branch exchange with at least one office line and a plurality of extensions for selectively switching between the office line and the extensions and between the extensions, extension telephones connected to the extensions, and a recording unit for recording and reproducing speech transmitted and received by the extension telephones, wherein each of the extension telephones includes request input means for inputting desired requests including requests for recording and reproducing speech related to its own call, and request informing means for informing the electronic private branch exchange of the contents of the request inputted from the request input means, and the electronic private branch exchange includes recording management control means for providing control of the recording unit according to the contents of the request, the control including the recording and reproducing of the contents of speech, when