Filter
Top Products
Tone 1
• The feature setting was set
successfully.
• A
call is received in Voice-calling
mode.
1 s
Tone 2
• Before
receiving a page through
an external speaker
• A call is received in Hands-free
mode.
1 s
Tone 3
• Before the following features
activate:
• Retrieving a held call
• Picking up another call
• Paging/Answering a paging
announcement
• Answering
the call through a
speaker
• When a conversation is
established with the extension in
the following modes:
• Hands-free Answerback
mode
• Voice-calling mode
• When making a call to or from a
doorphone.
1 s
Tone 4
Establishing
or leaving a conference
1 s
Tone 5
A call has been put on hold.
1 s
250 User Manual
4.3.1 What is This Tone?