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For more information
Protocol: SIP
Protocol: SCCP
Features
Supported
Supported
Intra-Cluster Trust
(Bulk Certificate
Replication)
Calling features: Conference calls
Supported
Supported
Join/Select
Calling features: Conference calls
Supported
Supported
Join Across
Lines/Select
Calling features: Advanced call handling - Hunt
Groups
Supported
Supported
Log Out of Hunt
Groups
Calling features: Advanced call handling - Suspicious
call trace
Supported
Supported
Malicious Call ID
Calling features: Conference calls
Supported
Supported
Meet-Me
Conference
Supported
Supported
Message Waiting
Indicator
Calling features: Advanced call handling - Cisco
Extension Mobility
Supported
Supported
Mobile Connect
Supported
Supported
Mobile Voice
Access
Calling features: Advanced call handling - Priority
calls
Not supported
Supported
Multilevel
Precedence and
Preemption
(MLPP)
Phone features: Line and call definitions
50
200
Multiple Calls per
Line Appearance
Supported
Supported
Music-on-Hold
Calling features: Mute
Supported
Supported
Mute
Supported
Supported
Ringer Volume
Control
Calling features: Basic call options
Supported
Supported
On-hook
Dialing/Pre-Dial
Calling features: Call transfer
Supported
Supported
Onhook Call
Transfer
Cisco Unified IP Phone 7975G, 7971G-GE, 7970G, 7965G, and 7945G Administration Guide for Cisco Unified
Communications Manager 9.0 (SCCP and SIP)
251
Feature Support by Protocol for Cisco Unified IP Phones