Polycom RealPresence 1500 Administrator's Manual page 602

New Conference IVR Service Properties - DTMF Codes
Operation
Touch Control Prefix
Note: This option is not available for SVC participants.
Do not change the DTMF code of the Touch Control Prefix (*#).
The Polycom® Touch Control device is only supported with MPM+ and MPMx media cards. For
more information see the Polycom® Touch Control User Guide.
If during the ongoing conference the Show Number of Participants DTMF option (default DTMF
*88) is used, when the displayed number of participants is removed, the message overlay text is also
removed.
27 To modify the DTMF code or permission:
a In the DTMF Code column, in the appropriate entry enter the new code.
b In the Permission column, select from the list who can use this feature (Everyone or just the
Chairperson).
By default, the Secure, Unsecure Conference and Show Number of Participants options are enabled
in the Conference IVR Service. These options can be disabled by removing their codes from the
Conference IVR Service.
To disable the Text Indication option in the DTMF Code column, clear the DTMF code (*88) of Show
Number of Participants from the table.
To disable the Secure Conference options, in the DTMF Code column, clear the DTMF codes of
both Secured Conference (*71) and Unsecured Conference (#71) from the table.
28 Click the Operator Assistance tab.
The Operator Assistance dialog box opens.
Polycom®, Inc.
DTMF String Permission
*# Everyone
IVR Services
572