Bang & Olufsen BeoCom 5 - User Guide - Manual (Page 50)

Call and store extension numbers in the Phonebook
Used by banks and other businesses with switchboards, a pause
must be inserted before the extension number. Store the main
number, the pause and the extension number in the Phonebook.
You can then call the number from the Phonebook.
To call an extension number directly …
Enter the main phone number
Press OK to be able to insert a pause, turn the
wheel to highlight Insert pause and press OK.
Enter the extension number
Press to call the number and press OK to
continue after the pause.
Press to end the call
>> Advanced operations
0 – 9
OK
Insert pause
OK
0 – 9
OK
50