Description and More Information
Feature
Displays the DND and call forward icons next the to the line key label. The line key
should be enabled with feature key sync. The line key should also be enabled with DND
or call forward.
DND and Call Forward Indication on
Non-selected Line Key
Enables users to make emergency calls. The emergency services receive the phone's
location and a call-back number, to use when the emergency call unexpectedly disconnects.
Emergency Calls
Allows an administrator to set the sidetone level of a wired headset.
Headset Sidetone Control
Allows a user to answer a call that is ringing on a directory number in another group.
Group Call Pickup
Enables phones with a shared line to distinguish between the local and remote lines that
placed a call on hold.
Hold Status
Allows the user to move a connected call from an active state to a held state.
• No configurations are required unless you want to use Music On Hold. See “Music
On Hold” in this table.
• See “Hold Reversion” in this table.
Hold/Resume
Enhances the file download process to the phone to use HTTP by default. If the HTTP
download fails, the phone reverts to using the TFTP download.
HTTP Download
Increases security by requiring communication using HTTPS.
When the web is in HTTPS mode, the phone is an HTTPS server.
Note
HTTPS for Phone Services
Improves the display of caller names and numbers. If the Caller Name is known, then
the Caller Number is displayed instead of
Unknown
.
Improve Caller Name and Number
Display
The Jitter Buffer feature handles jitter from 10 milliseconds (ms) to 1000 ms for both
audio and video streams.
Jitter Buffer
Allows users to combine calls that are on multiple phone lines to create a conference call.
Some JTAPI/TAPI applications are not compatible with the Join and Direct Transfer
feature implementation on the Cisco IP Phone and you may need to configure the Join
and Direct Transfer Policy to disable join and direct transfer on the same line or possibly
across lines.
Join Across Lines
Allows users to combine two calls that are on one line to create a conference call and
remain on the call.
Join
Defines directory numbers for message waiting on and off indicators. A directly-connected
voice-message system uses the specified directory number to set or to clear a message
waiting indication for a particular Cisco IP Phone.
Message Waiting
A light on the handset that indicates that a user has one or more new voice messages.
Message Waiting Indicator
Sets a minimum ringer volume level for an IP phone.
Minimum Ring Volume
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Cisco IP Phone Administration
Telephony Features for Cisco IP Phone
