Ericsson DT59C - Manual (Page 80)

Group Features
DT590 80
Group Hunting
An internal Group Hunting number is a common directory number
for a group of extensions. Calls to the group will be indicated at a
free extension in the group.
When you leave the group temporarily, you make your phone
unavailable for incoming calls.
To leave the group temporarily
*21* ¿
Dial and enter your own extension number.
Note: U.K., dial
* 2 *
No.
# Ь Ы
Press.
Wait for the call timer to start in the display. Ъ Щ
Press to finish the procedure.
To re-enter the group #21# Ь Ы
Dial and press.
Note: U.K., dial
# 2 #
Wait for the call timer to start in the display. Ъ Щ
Press to finish the procedure.