3. The second intercom friend (C) may join
the intercom by making an intercom call to
you (A).
Intercom
Friend B
4. Now you (A) and two intercom friends (B
& C) are having a three-way conference
intercom.
Intercom
Friend B
YOU
Intercom
Friend C
YOU
Intercom
Friend C
7.3.2 Starting a Four-Way Intercom
Conference
You can have four-way conference intercom with
three other intercom friends by adding one more
intercom participant to the three-way intercom. A
new participant (D) can make it a Four-Way
Intercom Conference by making an intercom call to
either (B) or (C).
YOU
Intercom
Intercom
Friend B
Friend C
New
Participant D
= Intercom Friend of C
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