Cisco 8851, Administration Manual

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Telephony Features for Cisco IP Phone
After you add Cisco IP Phones to Third-Party Call Control system, you can add functionality to the phones.
The following table includes a list of supported telephony features, many of which you can configure by using
Third-Party Call Control system.
The Third-Party Call Control system also provides several service parameters that you can use to configure
various telephony functions.
Note
Description and More Information Feature
Enhances security by supporting TLS 1.2 and new ciphers. AES 256 Encryption Support for Phones
Allows users to place a call with alphanumeric characters. You can use these characters
for alphanumeric dialing: a-z, A-Z, 0-9, -, _, ., and +. Alphanumeric Dialing
Allows users to pick up a call on any line in their call pickup group, regardless of how
the call was routed to the phone. Any Call Pickup
Connects incoming calls automatically after a ring or two.
Auto Answer works with either the speakerphone or the headset.
Auto Answer
Blind Transfer: This transfer joins two established calls (call is in hold or in connected
state) into one call and drops the feature initiator from the call. Blind Transfer does not
initiate a consultation call and does not put the active call on hold.
Some JTAPI/TAPI applications are not compatible with the Join and Blind 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.
Blind Transfer
Allows user to monitor call state of a directory number. Busy Lamp Field (BLF)
Allows user to pick up incoming calls to the directory number monitored through BLF. Busy Lamp Field (BLF) Pickup
Provides users with an audio and visual alert on the phone when a busy or unavailable
party becomes available. Call Back
Determines the information that will display for calling or connected lines, depending
on the parties who are involved in the call. RPID and PAID caller id handling are
supported. Call Display Restrictions
Allows users to redirect incoming calls to another number. Call Forward options include
Call Forward All, Call Forward Busy, Call Forward No Answer. Call Forward
Allows you to configure the information that the user sees when receiving a forwarded
call. Call Forward Notification
Cisco IP Phone 8800 Series Multiplatform Phones Administration Guide
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Telephony Features for Cisco IP Phone