- Voice Mail
- Web Browser
- Multilingual Menu
- Hands-free
- Echo Cancellation
- Background Noise Suppression
- Voice Activity Detection
- Comfort Noise Generation
- Packet Loss Concealment
- Adaptive Jitter Buffer
- Hearing Aid
- (BLF) Busy Lamp Field
- Call Share
- Call Waiting
- Call Transfer
- Call on Hold
- Call Forwarding
- Call Pick-up
- Calling Party Information
- Conference Call
- Speed Dial
- Do Not Disturb Setting
- Security
- Date and Time
- Event Logging
- G.711 a/u
- G.729ab
- G.722
- G.722.1
- G.722.1C
- iLBC