- Expandable
- Voice Mail
- Web Browser
- Multilingual Menu
- Hands-free
- Voice Activity Detection
- Comfort Noise Generation
- Adaptive Jitter Buffer
- Packet Loss Concealment
- Hearing Aid
- (BLF) Busy Lamp Field
- Call Waiting
- Call Transfer
- Call on Hold
- Call Forwarding
- Call Pick-up
- Calling Party Information
- Missed Call Indicator
- Do Not Disturb Setting
- Event Logging
- PIN Code Protection
- G.711a
- G.711u
- G.729ab
- G.722
- G.722.1
- G.722.1C
- iLBC