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40-17
Cisco CallManager System Guide
OL-7135-01
Chapter 40 Cisco IP Phones
Phone Button Templates
Table 40-3 Phone Button Feature Description
Feature Description
AEC If you are configuring a template for the
Cisco IP Phone model 30 VIP, you must include one
occurrence of this feature and assign it to button 26.
Auto echo cancellation (AEC) reduces the amount of
feedback that the called party receives when the calling
party is using a speakerphone. Users should press the
AEC button on a Cisco IP Phone model 30 SP+ when
they are using speakerphone. Users do not need to press
this button when speakerphone is not in use. This
feature requires no configuration for it to work.
Answer/release In conjunction with a headset apparatus, the user can
press a button on the headset apparatus to answer and
release (disconnect) calls.
Auto answer If this feature is programmed on the template, activating
this button causes the speakerphone to go off hook
automatically when an incoming call is received.
Note You configure this feature for some phones
models through the Phone Button Template
window. You configure this feature for some
phone models in the Phone Configuration
window.
Call park In conjunction with a call park number or range, when
the user presses this button, call park places the call at a
directory number for later retrieval. You must have a call
park number or range that is configured in the system for
this button to work, and you should provide that number
or range to your users, so they can dial in to the
number(s) to retrieve calls.