- 2 VoIP accounts
- Wideband codec: G.722
- Narrowband codec: G.711(A/�) G.723.1 G.729AB G.726 iLBC
- 132x64-pixel graphical LCD with backlight
- Call hold mute DND
- One-touch speed dial hotline
- Call forward call waiting call transfer
- Group listening SMS emergency call
- Redial call return auto answer
- Local 3-way conferencing
- Direct IP call without SIP proxy
- Ring tone selection/import/delete
- Set date time manually or automatically
- Dial plan
- XML Browser action URL/URI
- Integrated Screenshots
- RTCP-XR
- HD voice: HD handset HD speaker
- Wall mountable
- Power over Ethernet support
- No power supply included (YEA-PS5V600US)
- Not compatible with expansion module
- Wideband codec: G.722
- Narrowband codec: G.711(A/�) G.723.1 G.729AB G.726 iLBC
- 132x64-pixel graphical LCD with backlight
- Call hold mute DND
- One-touch speed dial hotline
- Call forward call waiting call transfer
- Group listening SMS emergency call
- Redial call return auto answer
- Local 3-way conferencing
- Direct IP call without SIP proxy
- Ring tone selection/import/delete
- Set date time manually or automatically
- Dial plan
- XML Browser action URL/URI
- Integrated Screenshots
- RTCP-XR
- HD voice: HD handset HD speaker
- Wall mountable
- Power over Ethernet support
- No power supply included (YEA-PS5V600US)
- Not compatible with expansion module