IP900 Mobile™

ESI's IP900 Mobile turns your IPhone, IPad, Android tablet or Android Smartphone into an extension on your IP Server 900 phone system, allowing those on-the-go to make and receive business calls from anywhere while maintaining a single office phone number and voice mail.


  • Receive calls to your office phone number
  • Make calls as your office extension
  • Calls made with your mobile extension show your office caller ID
  • Place calls on hold
  • Transfer calls to other company or public numbers
  • Notification of new voice mail messages
  • Make calls over WiFi or 3G / 4G / LTE