Cisco 7800 Series Administration Manual page 115

Feature
HTTP Download
HTTPS for Phone Services
Hunt Group
Improve Caller Name and Number
Display
Jitter Buffer
Join Across Lines
Join
Line Status for Call Lists
Message Waiting
Message Waiting Indicator
Minimum Ring Volume
Missed Call Logging
Description and More Information
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 a HTTPS
Note
servers.
Provides load sharing for calls to a main directory number. A hunt group contains a series
of directory numbers that can answer the incoming calls. When the first directory number
in the hunt group is busy, the system hunts in a predetermined sequence for the next
available directory number in the group and directs the call to that phone.
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.
Allows the user to see the Line Status availability status of monitored line numbers in
the Call History list. The Line Status states are
• Unknown
• Idle
• Busy
• DND
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.
Allows a user to specify whether missed calls will be logged in the missed calls directory
for a given line appearance.
Cisco IP Phone 7800 Series for Third-Party Call Control Administration Guide
Telephony Features for Cisco IP Phone
101