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1.10 Conversation Features
82 Feature Guide
1.10.5 Data Line Security
Description
Once Data Line Security is set on an extension, communication between the extension and the other party
is protected from signals such as Call Waiting, Hold Recall, and Executive Busy Override. Extensions that
have devices such as modems, fax machines, or Voice Processing Systems (VPSs) connected to them may
set this feature to maintain secure data transmission, by blocking tones or other interruptions during
communication.
User Manual References
1.7.6 Protecting Your Line against Notification Tones (Data Line Security)