Feature list by version for 79xx phones. Version with no new features are not listed.
9.4.2SR1 - Configurable default audio path
9.4.2 - Security hardening
9.3(1)SR4 - Control Default Wallpaper
- Default Audio Path Support
- Hardware Updates
9.3(1)SR2 - Security Enhancements
9.3(1)SR1 - Hardware updates
9.3(1) - Device Invoked Recording
- Headset Recording
- PLK Support for Queue Statistics
- SIP Phone No Alert Name
9.2.3 - Headset Side Tone Control
9.2.1 - EnergyWise
- SSH Access
- UCR 2008 Support
9.1(1)SR1 - Automatic Port Synchronization
- Device Un-registration
- Plus Dialing
- Whisper Coaching
- XSI Screen Width Enhancement
9.0(3) - Assisted Directed Call Park
- Mute Softkey
- Secure and Nonsecure Indication Tone
9.0(2)SR1 - Call Chaperone
- Cisco Extension Mobility Cross Cluster
- Default Web Access Setting
- Extension Mobility Change PIN
- Extension Mobility HTTPS Support
- Hunt Group Display
- Monitoring and Recording
- Time Zone Update
- Trust Verification Service and Security by Default
- VPN Client
8.5(3) - Secure SIP Failover for SRST
- Feature Key Capacity Increase for Cisco Unified IP Phones
- Longer SIP Authentication Name
8.5(2)SR1 - Disable Enbloc Dialing
- Handset Headset Monitor
8.5(2) - Secure Icon
- New Behavior for Security-Tone Feature
- 802.1x EAP-FAST and EAP-TLS Authentication
- IPv6 Support
- IPv6 Ready Certification
- Off-Hook Abbreviated Dialing
- Test Tone
8.4(4) - Adaptive Link Layer Discovery Protocol-Media Endpoint Device
- Configurable Sidetone
- Ringer Volume Control
- Memory Status
8.4(2) - Hold Status
- Missed Calls
- Restrict Unconfigured Phone Registration
8.3(5) - Cisco Unified IP Phone Expansion Module 7915G and 7916G
8.3(3) - Connection Monitor
- Wireless Headset Remote Hookswitch Control
- Link Layer Discovery Protocol Media Endpoint Devices (LLDP-MED)
