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Note:
1. If press [mute] key to mute the phone, the phone will not clear the mute function until press the [mute] key again (press [Flash]/[Conference]…keys can not
unmute).
2. If Mute function is activated when talking, phone will automatically clear mute if phone go to idle state (clear mute icon
display).
4.4. Holding/resuming a call
z To hold a current line, you should press [Flash] function key, the other end of the hold line will not hear any voice of local end.
z If you want to resume the call, please press [Flash] function key again, then you can go on the call.
4.5. Switching between active line
While talking, press the ‘Flash’ key which could be set in ‘Program keys’ in the operation menu to switch between active lines.
4.6. Transferring a call
To transfer a call, press the ‘Flash’ key and the number of the third party with ‘#’ for ending. If the phone is answered, you can press the “transfer” key to replace the
handset and the call is delivered successfully. If the line is busy or there is no one answered, you can press the ‘Flash’ key to return.
For detail information,please refer to
7.1.2 Transfer
4.7. Setting up a conference call
4.7.1. Start a conference call
To make a conference call, press the ‘Flash’ key to hold the current call, press the number of the third party with ‘#’ for ending. When it is answered, press the
‘Conference’ which could be set in ‘Program keys’ in the operation menu to begin the conference.