CooCall is a softphone APP dedicated for ZYCOO CooVox series IP phone system. By using CooCall you may bring your office extension wherever you want. No matter in a cafe, airport, and even abroad, you'll never miss any inbound calls from the office phone system. And you may make outbound phone calls using the office phone system as well. Features: Scan QR code to register extension number. Enterprise phonebook and extension list synchronization. Personalized ring tones.