Cisco 8851, Administration Manual

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Description and More Information Feature
Identifies ring type used for a line when a phone has another active call. Ringtone Setting
Ensures that held calls are not dropped by the gateway. The gateway checks the status
of the RTCP port to determine if a call is active or not. By keeping the phone port open,
the gateway will not end held calls. RTCP Hold For SIP
Enables administrators to quickly and easily gather debug information from phones.
This feature uses SSH to remotely access each IP phone. SSH must be enabled on each
phone for this feature to function.
Serviceability for SIP Endpoints
Allows a user with multiple phones to share the same phone number or allows a user to
share a phone number with a coworker. Shared Line
The phones can display both the calling ID and calling number for incoming calls. The
IP phone LCD display size limits the length of the calling ID and the calling number that
display.
The Show Calling ID and Calling Number feature applies to the incoming call alert only
and does not change the function of the Call Forward and Hunt Group features.
See “ Caller ID ” in this table.
Show Calling ID and Calling Number
Displays the time duration of placed and received calls in the Call History details.
If the duration is greater than or equal to one hour, the time is displayed in the Hour,
Minute, Second (HH:MM:SS) format.
If the duration is less than one hour, the time is displayed in the Minute, Second (MM:SS)
format.
If the duration is less than one minute, the time is displayed in the Second (SS) format.
Show Duration for Call History
Dials a specified number that has been previously stored. Speed Dial
Updates the Cisco IP Phone with time zone changes. Time Zone Update
Allows users to redirect connected calls from their phones to another number.
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.
Transfer
Enables callers to leave messages if calls are unanswered. Voice Message System
Web services are enabled by default. Web Access Enable by Default
Cisco IP Phone 8800 Series Multiplatform Phones Administration Guide
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Telephony Features for Cisco IP Phone