Cisco 7975G Software Manual page 271

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