Ericsson DT59C - Manual (Page 28)

Free Seating (optional)
DT590 28
Free Seating (optional)
The Free Seating function is used for persons who have an office
extension number but no telephone set of their own. For example,
flexible office workers, persons mostly outside the office, etc. As a
free seating user and working from the office, you logon to any free
telephone set that temporarily will be assigned with your extension
number and your system authorities.
To log on
*11*
Dial.
¿ *
Enter the Authorization Code and press.
¿ # Ь Ы
Enter your extension number and press.
Wait for the call timer to start in the display. Ъ Щ
Press to finish the procedure.
The display shows your phone number.
To log off
#11# Ь Ы
Dial.
Wait for the call timer to start in the display. Ъ Щ
Press to finish the procedure.