14

Appendix

Term

Definition

PBX

Abbreviation for private branch exchange

 

Exchange equipment installed in a company or a plant to

 

connect a number of telephone sets with multiple station lines in

 

order to enable unrestricted communications between the

 

telephone sets.

 

 

Protocols

The necessary rules for communication

 

 

Touch-tone signals

A signal used on the telephone line; used when calling on a

 

push-button line or using push-button services.

 

By pressing the [ ] key in the 10-Key Pad, touch-tone signals

 

are used, even if a dial phone line is connected.

 

 

14-18

Di152f/Di183f

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Minolta Di152 183 manual Pbx