IVR Services
Polycom®, Inc. 453
Volume Control of IVR Messages, Roll Call and Music
The volume of IVR music, and IVR messages and Roll Call is controlled by the following system flags:
IVR_MUSIC_VOLUME
IVR_MESSAGE_VOLUME
IVR_ROLL_CALL_VOLUME

To control the volume of IVR music, Roll Call and messages:

Modify the values of the System Flags listed in the following table by clicking the menu Setup >
System Configuration.
If these flags do not appear in the System Flags list, they must be manually added. For more information
see System Configuration Flags.
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IVR Services in TIP-Enabled Conferences
Conference IVR and Entry Queue/Virtual Entry Queues are supported with AVC TIP protocol in conferences
that include both TIP-enabled and non-TIP-enabled endpoints.
A Virtual Entry Queue can be configured to either IVR Only Service Provider or External IVR Control mode.
Default IVR Messages
Flag Description
IVR_MUSIC_VOLUME The volume of the IVR music played when a single participant is connected
to the conference varies according to the value of this flag.
Possible value range: 0-10 (Default: 2).
0 – disables playing the music
1 – lowest volume
10 – highest volume
IVR_MESSAGE_VOLUME The volume of IVR messages varies according to the value of this flag.
Possible value range: 0-10 (Default: 2).
0 – disables playing the IVR messages
1 – lowest volume
10 – highest volume
Note:
It is not recommended to disable IVR messages by setting the flag value
to 0.
The following System Flags do not require an MCU reset:
IVR_MESSAGE_VOLUME
IVR_MUSIC_VOLUME
IVR_ROLL_CALL_VOLUME
For all other flag changes, the MCU must be reset for the modified flag settings (including deletion) to
take effect.