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1.8.9 Protecting Your Line against Notification Tones (Data Line
Security)
You can protect the line against audible notification tones, such as a call waiting tone during a conversation.
Set this feature if your extension has a data communication device, such as a PC or fax machine connected
to ensure secure data transmission.
To set/cancel
Off-hook.
On-hook.
Enter 1 to set
or 0 to cancel.
PT/SLT/PS
Set
Cancel
1
0
OR
Enter 730.
3 07
C.Tone
138 User Manual
1.8.9 Protecting Your Line against Notification Tones (Data Line Security)