- Dimensions: 200 x 200 x 50 mm
- Weight: 1.5 kg
- Power: 12 W
- Connectivity: 2 x 10/100Base-T Ethernet ports
- Display: 6-line backlit graphic display
- Programmable Keys: 6 free programmable sensor keys
- Fixed Function Keys: 7 keys
- Navigation: 5-way navigation key
- Volume Control: Loudspeaker volume up/down
- Keypad: 12 keys
- Audio: Full-duplex hands-free talking with high-quality microphone and loudspeaker
- Power Supply: Power over Ethernet (PoE) according to IEEE 802.3af or external power supply
- Wall Mountable: Yes
- Headset Jack: Integrated
- Housing Colors: Ice blue, lava
- LED Indicators: Red call signaling LED, 12 red LEDs for key signaling
- Certification: Blue Angel eco-label
- Remote Administration: Web-based management, HiPath Deployment Service
- Computer Telephony Integration (CTI): Third-party call control
- AudioPresence™ HD: Yes
- PoE Class: IEEE 802.3af
- Ethernet Switch: Built-in 10/100Base-T Ethernet switch
- USB Port: USB Slave for 1st party CTI
- Call Handling: Call hold/retrieve, transfer, DND, call park, voicemail
- Security: Secure TLS communication
- Virtualization: Fits into virtualized architecture (VMware), delivered as a vApp
- Survivable Branch Office: Yes, with OpenScape Branch 550/550HA
- Session Border Controller: Integrated for low-cost SIP trunking and higher security
- Integration Options: Via published interfaces and SDKs
- Audio Codecs: G.711, G.729AB, G.722 Wideband (7kHz)
- SIP Trunk Channels: Up to 120 SIP trunk channels with Advanced Mainboard
- Contact Center: Multimedia Contact Center with Advanced Mainboard
- External Databases: Connectivity with Advanced Mainboard
- Feature Capacity Limits: Enhanced with Advanced Mainboard
- Group Call Members: Enhanced with Advanced Mainboard
- TDM Users: Up to 384 TDM users with Advanced Mainboard
- Analog Users: Up to 68 analog users with Advanced Mainboard
- Digital Users: Up to 56 digital users with Advanced Mainboard
- DECT Base Stations: Up to 15 DECT Base Stations with Advanced Mainboard
- DECT Handsets: Up to 64 DECT Handsets with Advanced Mainboard