For more informationProtocol: SIPProtocol: SCCPFeatures
SupportedSupportedAuto Call Pickup
Calling features: Basic call optionsSupportedSupportedAuto Dial
Calling features: Advanced call handling - Shared
lines
SupportedSupportedBarge (and cBarge)
SupportedSupportedBlock External to
External Transfer
Calling features: Advanced call handling - Busy Lamp
Field features
SupportedSupportedBusy Lamp Field
(BLF)
Calling features: Advanced call handling - Busy Lamp
Field features
SupportedSupportedBusy Lamp Field
(BLF) Pickup
Calling features: Additional call optionsSupportedSupportedCall Back
SupportedSupportedCall Chaperone
SupportedSupportedCall Display
Restrictions
Calling features: Call ForwardSupportedSupportedCall Forward All
SupportedSupportedCall Forward All
Breakout
SupportedSupportedCall Forward All
Loop Prevention
Calling features: Call ForwardSupportedSupportedCall Forward Busy
SupportedSupportedCall Forward
Configurable
Display
SupportedSupportedCall Forward
Destination
Override
Calling features: Call ForwardSupportedSupportedCall Forward No
Answer
Calling features: Advanced call handling - Call ParkSupportedSupportedCall Park
   Cisco Unified IP Phone 7975G, 7971G-GE, 7970G, 7965G, and 7945G Administration Guide for Cisco Unified
Communications Manager 9.0 (SCCP and SIP)
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Feature Support by Protocol for Cisco Unified IP Phones