قابلیت ضبط مکالمات به وسیله اتصال یک فلش به پورت USB
آداپتور و پورت PoE
• 1 VoIP account
• Call hold, mute, DND, call recording, hotline
• 5-way conference call
• Redial, call waiting, emergency call
• Call forward, call transfer, call return, dial plan
• Ring tone selection/import/delete
• Set date time manually or automatically
• Volume adjustment
• Pairing via Bluetooth
