Polycom SoundPoint IP 560 - Manual (Page 61)

Using the Basic Features of Your Phone
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4. When the second party answers, press or the Confrnc soft
key again to join all parties in the conference.
5. Press or the Confrnc soft key to add another party to the
conference.
The first and second party are put on hold.
6. Call the third party.
7. After the third party answers, press or the Confrnc soft key
again to join all parties in the conference.
A conference similar to this one will now exist.
Note If configured for single key-press conferences, you do not need to press the
Confrnc soft key again.
Note If configured for single key-press conferences, all conference participants hear the
dial tone and ringback when the conference host places a call to a new party.
Note If configured for single key-press conferences, you do not need to press the
Confrnc key again.