Aastra M401 User Manual page 39

Customizing your phone
Making an external call from a locked extension
On your keypad:
Pick up the handset
Enter the code
Enter your password
You will hear two beeps.
Dial the external number
When your party answers, speak.
At the end of the conversation, hang up.
Please note :
These two functions can only be used after you have programmed a personal password (see 7.3.).
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FOUR DIGITS
EXTERNAL NUMBER
38