G-1
Cisco Unified IP Phone 6921, 6941, 6945, and 6961 Administration Guide for Cisco Unified Communications Manager 8.5 (SCCP and SIP)
OL-23769-01
APPENDIX
G

Feature Support by Protocol for the Cisco

Unified IP Phone 6921, 6941, 6945, and 6961

This appendix provides information about feature support for the Cisco Unified IP Phones 6921, 6941,
6945, and 6961 using the SCCP or SIP protocol with Cisco Unified Communications Manager
Release 8.5(2).
Table G-1 provides a high-level overview of calling features and their support by protocol. This table
focuses primarily on end-user calling features and is not intended to represent a comprehensive listing
of all available phone features. For details about user interface differences and feature use, refer to the
Cisco Unified IP Phone user guide.
The guide is available at this URL:
http://www.cisco.com/en/US/products/ps10326/tsd_products_support_series_home.html
The specific sections that describe the features in the phone guide are referenced in Table G -1.
Table G-1 Cisco Unified IP Phones Feature Support by Protocol
Features
Protocol
For More InformationSCCP SIP
Calling Features
Abbreviated Dialing Supported Supported Basic Call Handling—Placing a Call: Additional
Options
Agent Greeting Supported Supported Basic Call Handling—Answering a Call
Audible Message Waiting
Indicator (AMWI) Supported Supported Accessing Voice Messages
Auto Answer Supported Supported Using a Handset, Headset, and
Speakerphone—Using Auto Answer
Auto-pickup Supported Supported
Automatic Port
Synchronization Supported Supported
cBarge Supported Supported Advanced Call Handling—Using a Shared Line
Block external to external
transfer Supported Supported
Busy Lamp Field (BLF) Supported Supported Advanced Call Handling—Using BLF to
Determine a Line State