AT&T Definity ISDN 7507 - Manual (Page 33)

Intercom
To make a call to your 1 Press

Icom Auto xxx

predetermined Automatic
●
Intercom partner
Special intercom ring is sent
[dial tone]
To dial a call to a member 1 Press

Icom Dial

of your Dial Intercom
group
2 Dial group member’s 1- or 2-digit code
[ringback tone]
● Special intercom ring is sent
[dial tone]
To answer any intercom 1 Pick up handset
call
● You are connected to call
Note: If you are active on another call, first press

Hold
,
then press flashing

xxxxx
.