Grandstream GRP2615 IP Phone Quick Specs:

• Communications Protocol: SIP
• SIP Accounts: 16
• Ethernet Ports: 2x Gigabit
• PoE: 802.3af

Additional Interfaces:

• USB
• J9 Headset Jack (supports EHS with Plantronics headsets)
• Bluetooth: 5.0
• Wi-Fi: 802.11ac
• Display: 4.3" 480x272 TFT color LCD
• Local Conferencing: 3-way
• Audio Codecs: G.729AB, G.711u/a, G.726, G.722, G.723, iLBC, Opus
• Expandable: up to 4 Grandstream GBX20 (coming soon)