Polycom SoundPoint IP 650 User Manual page 59

To put a party on hold, select the party, then press the Hold soft key.
c
The held party cannot hear any parties and no party can hear the held
party.
Press the Resume soft key to return the party to the conference.
If the held party presses
held within the conference even if you press the Resume soft key.
To remove a party from the conference, press the Remove soft key.
d
The party is removed from the list of participants on the Manage
Conference screen and from the conference. You can add the party
back into the conference by pressing the Add soft key (refer to step a
above).
To add a party to a conference call using the Join soft key:
Previously you set up a conference call between a number of parties.
1. Press or the Hold soft key.
The other parties in the conference call are put on hold.
Using the Basic Features of Your SoundPoint IP 650 SIP Phone
on their phone, the party will still be
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