Administrator's Manual 5. Configuring VoIP Settings
Version 3.4.3 115 400HD Series IP Phones
5.8.21 Disabling the Hard Mute Key on the Phone
Note: Support pending.
The network administrator can disable the mute hard key on phones. The feature is
motivated by the requirement on the part of some enterprises to control the key remotely to
comply with company policy.
To disable the hard mute key on the phone:
• Use the table as reference.
Table 5-52: Disabling the Hard Mute Key on the Phone
Parameter Description
voip/block_mute_key
Allows network administrators to configure
enabling or disabling the hard mute key on
the phone.
0 (default) Allows the hard mute key on
the phone to function regularly.
1 Disables the hard mute key on the
phone.
In addition to the mute key, hard keys that can be disabled include speaker, headset,
voicemail, REDIAL, CONTACTS, MENU, TRANSFER, HOLD, and VOL. See also Section
6.3 for information about disabling these keys.