AT&T System 25 - Manual (Page 15)

Bridged Access
This feature allows for a common connection between a specific
button,
on your telephone and a specific line
button, on someone else's telephone. You can
join in a call or cover the other line by using your bridged access
button. Up to 15 people can use their bridged access buttons for
the same system access button.
Your System Administrator can set your
to ring in any of the following ways: button
■ Ring immediately when a call rings
line.
■ Ring after a predetermined number
at the other person’s
of rings (delayed ring).
Not ring at all.
If you are on a call and another call comes in on a previously
idle button, you will hear abbreviated ringing.
When someone picks up the call, the light next to your
button becomes steadily lit.
Bridging Onto a Call in Progress
1 Press the button next to the steadily lit
green light.
You are connected to the call in progress.
2 To drop out, simply hang up at any time.
NOTE: You cannot bridge onto a call if any one of the
extensions on that call has their Exclusion feature turned on
or if the conference limit has already been reached for that
call.
12