I
3
Table of contents
Description 1
• Your M725 1
• Connections  2
• Accessories for the M725 2
• Tips and safety 3
• Presentation of the M725 4
• The set's display 6
Call modes 7
• Using the handset 7
• Using the group listening mode 8
• Adjusting the listening volume level 8
Making a call 9
• Making an internal call 9
• Making an external call 9
• Calling an operator (switchboard) 10
• Redialing the last number dialed 10
• Using the program keys 10
• Calling an internal party by name 11
• Using the automatic callback function 12
• Using the store and redial function 13
Receiving a call 14
• Setting the ringer volume 14
• Interrupting the ringer 14
• Answering the call 14
• Intercepting a call intended for another extension 15
During a call 16
• Using the mute function 16
• Placing a party on hold and resuming the call on the same set 16
• Placing a party on hold and resuming the call on another set 16
• Transferring a call 17
• Calling a second party 17