Polycom DOC2231A - Manual (Page 66)

MGC+50/MGC+100 Getting Started Guide
5-14
To add a new participant to a Conference:
1. List the On Going Conferences.
2. Right-click the icon of the conference to which to add a participant, and
then click New Participant. Alternatively, click the conference icon, and
then click the New Participant button on the Conference Toolbar.
The Properties - Identification dialog box opens.
ISDN/Telephone Participant H.323 (VoIP) Participant