Cisco 7800 Series Administration Manual page 167

Cisco IP Phone Administration
Feature
DND and Call Forward Indication on
Non-selected Line Key
Emergency Calls
Headset Sidetone Control
Group Call Pickup
Hold Status
Hold/Resume
HTTP Download
HTTPS for Phone Services
Improve Caller Name and Number
Display
Jitter Buffer
Join Across Lines
Join
Message Waiting
Message Waiting Indicator
Minimum Ring Volume
Description and More Information
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.
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.
Allows an administrator to set the sidetone level of a wired headset.
Allows a user to answer a call that is ringing on a directory number in another group.
Enables phones with a shared line to distinguish between the local and remote lines that
placed a call on hold.
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.
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.
Increases security by requiring communication using HTTPS.
When the web is in HTTPS mode, the phone is an HTTPS server.
Note
Improves the display of caller names and numbers. If the Caller Name is known, then
the Caller Number is displayed instead of Unknown.
The Jitter Buffer feature handles jitter from 10 milliseconds (ms) to 1000 ms for both
audio and video streams.
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.
Allows users to combine two calls that are on one line to create a conference call and
remain on the call.
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.
A light on the handset that indicates that a user has one or more new voice messages.
Sets a minimum ringer volume level for an IP phone.
Cisco IP Phone 7800 Series Multiplatform Phones Administration Guide
Telephony Features for Cisco IP Phone
153