Toshiba PERCEPTION 4000 - Manual (Page 58)

4. When the connection is
established, press the
CONF/TRNS key to form a
three-way conference.
5. To add an additional party,
press the CONF/TRNS key.
6. Dial the number of the fourth
party.
7. When the connection is
established, press the
CONF/TRNS key to join all
four parties.
8. Follow steps 5 ~ 7 to add up to
four additional parties.
If the party is busy or does not answer, you can return to the held party
by pressing the Release (RLS) key.
After connecting to the new party, you can disconnect the party by
pressing the RLS key. You will be automatically reconnected to the held
caller.
Display telephones will display conference status and will indicate the
number of parties currently involved in the conference.
The current connections will be placed on “soft hold.” (See Note 1.)
Listen for recall dial tone.
Listen for ringback tone.
If the party is busy or does not answer, you can return to the held
conference by pressing the RLS key.
After you are connected to the new party, you can disconnect the party
and return to the held conference by pressing the RLS key.
When a party disconnects from the conference, all other conference
members will remain connected (unless none of the remaining parties
has release supervision, in which case the conference will be dropped).
NOTES:
1. If your station is not allowed access to the Eight Party Conference
feature, any attempt to add a fourth party will be ignored by the
system and the current three-way connection will be retained. The
ability to set up a three-way conference is provided through Three-
way Calling feature allowance.
2. If you hear reorder tone when attempting to add an additional party,
this may indicate that all system conference circuits are currently
busy.
PERCEPTION 4000 FEATURE OPERATION
4-32