AT&T Definity ISDN 7507 - Manual (Page 29)

Conference ✔
To add a third party to a 1 Press

Conference Ring

[dial tone]
call
● Present call put on hold and you are given a new
call appearance
2 Dial number of third party and wait for answer
Note: You can privately discuss the call with the
third party at this time; if no answer or busy, press
fluttering

xxxxx

to return to the original party.
3 Press

Conference Ring

again
● All parties now connected
To add a call you’ve put 1 Press

Conference Ring

[dial tone]
on hold to another call
● Held call light flutters; active call light remains
you’re connected to
on
2 Press

xxxxx

of call on hold
3 Press

Conference Ring

again