PYLE Audio SOUNDPOINT IP 450 - Manual (Page 52)

User Guide for the SoundPoint IP 450 Desktop Phone
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— To mute a party, select the party, then press the Far Mute soft key.
The muted party can hear all parties, but no party can hear the muted
party.
If you press
instead of the Far Mute soft key, all other parties
can hear each other, but they cannot hear you.
Press the UnMute soft key to un-mute the party.
— To place a party on hold, select the party, and then press the Hold soft
key.
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 on their phone, the party will remain
on hold within the conference even if you press the Resume soft key.
— To remove a party from the conference, press the Remove soft key.
The party is removed from the conference. To return the party to the
conference, press the Add soft key (refer to the first optional step
above).
— To do other actions, press the More soft key.
Press the Info soft key to view more information about the selected
party.
Press the Back soft key to exit the conference management feature.