Polycom DOC2560C - Manual (Page 162)

Chapter 3-Basic Operation
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Permissions for DTMF actions to be performed by all conference
participants or by chairperson only are configured in the Conference IVR
Service assigned to the conference.
For more information, see the RMX 1500/2000/4000 Administrator’s Guide,
"Defining a New Conference IVR Service” on page 14-9 .
To use the DTMF codes to control the conference, the DTMF input must
be first enabled on the endpoint remote control (for example, entering #).
Table 3-9 Default DTMF Codes to Manage Conferences and Participants
Operation DTMF String Permission
Conference help 00 Chairperson
Initiate PCM ## All
Start Click&View ** All
Individual help *0 All
Pause Recording *1 Chairperson
Stop Recording *2 Chairperson
Start/Resume Recording *3 Chairperson
Enable Roll Call *42 Chairperson
Disable Roll Call #42 Chairperson
Roll Call Review Names *43 Chairperson
Roll Call Stop Review Names #43 Chairperson
Mute All Except Me *5 Chairperson
Cancel Mute All Except Me #5 Chairperson
Mute My Line *6 All
Unmute My Line #6 All
Secure Conference *71 Chairperson
Unsecure Conference #71 Chairperson
Increase Listening Volume *76 All
Decrease Listening Volume #76 All