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For more information
Protocol: SIP
Protocol: SCCP
Features
Calling features: Advanced call handling - Call Park
Supported
Supported
Directed Call Park
Calling features: Do Not Disturb
Supported
Supported
Do Not Disturb
(DND)
Not Supported
Supported
Enbloc Dialing
Phone customization: Rings and message indicator
customization
Supported
Supported
Distinctive Ring
Calling features: Advanced call handling - Speed Dial
Supported
Supported
Fast Dial Service
Calling features: Additional call options - Place call
using billing or tracking code
Not supported
Supported
Forced
Authorization
Codes (FAC)
Supported
Supported
Group Call Pickup
Handset, headset, and speakerphone: Headset - Control
wired headset sidetone and send gain
Supported
Supported
Headset Sidetone
Control and Send
Gain
Supported (7945G, 7965G, and
7975G only)
Supported (7945G,
7965G, and 7975G
only)
Headset Recording
Phone features: Feature buttons and menus
Supported
Supported
Help System
Calling features: Hold and resume
Supported
Supported
Hold/Resume
Calling features: Hold and resume
Supported
Supported
Hold Reversion
Supported
Supported
Hunt Group
Display
Calling features: Call answer
Supported
Supported
Immediate Divert
Calling features: Call transfer to voice message system
Supported
Supported
Immediate
Divert
—
Enhanced
Supported
Supported
Intelligent Session
Control
Supported
Supported
Inter-Cluster Trust
(Bulk Certificate
Replication)
Calling features: Intercom calls
Supported
Supported
Intercom
Cisco Unified IP Phone 7975G, 7971G-GE, 7970G, 7965G, and 7945G Administration Guide for Cisco Unified
Communications Manager 9.0 (SCCP and SIP)
250
Feature Support by Protocol for Cisco Unified IP Phones