Siemens 300 Electronic Telephone Lock, Lock your Extension, Unlock your Extension

Electronic Telephone Lock

This feature allows you to lock your extension, by dialling your PIN number, which prevents unauthorised use of your extension. The PIN number assigned to your extension will be provided by your System Administrator.

Lock your Extension

- dial ∗21 and your PIN number

Your extension will now be restricted to local or internal calls only Special dial tone will be heard to remind you that the feature is activated.

Unlock your Extension

- dial #21 and your PIN number

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