- Line Keys – One voice line.
- Speaker Phone – Built-in high-quality microphone and speaker.
- Ethernet Connectivity – Two 10/100/1000BASE-T RJ-45 Ethernet ports (IEEE 802.3) ports.
- Display Type – LCD Display.
- Headset Support – On-hook default audio configuration, Headset jack: 2.5 mm.
- Compatible Platforms – Supports both SIP and SPCP Protocols with Cisco Unified Communication 500 Series.
- Contents – Cisco SPA512G IP Phone, handset, and stand, Handset cord, RJ-45 Ethernet cable, Quick Installation Guide.
- Warranty – 1-year limited hardware warranty with return to factory replacement and a 90-day limited software warranty.
- Includes power supply.