If you're looking to Download MiCollab on your Chromebook laptop Then read the following guideline.

Mitel® MiCollab® Client MiCollab provides customers that have installed Mitel phone systems with a single access point for all their business communication and collaboration needs. Employees can check the availability of colleagues, make phone calls, search the corporate directory, IM contacts, check corporate voice mail, change status, place video calls, and more, directly from their desktops. MiCollab includes: Presence – know if contacts are on the phone, away from their desk or available for a voice or video call or instant chat. Users can also manage and automatically update their status and call-routing preferences based on location or time of day Call handling – Receive, place, and hand-off voice calls using a desktop phone, softphone, or any mobile device with a MiCollab Mobile Client. Softphone – enjoy the same in-office communications management from a remote desktop or laptop with an embedded, software-based IP phone. Call history - View incoming, outgoing and missed calls Messaging – visual voice mail with presence information on the person who left the message and a range of options for dealing with the message. Point-to-point video collaboration – place a video call with the click of a button. The MiCollab Client for Macintosh works with the Mitel MiCollab Server 8.0 (or higher) Unified Communication and Collaboration platform. Contact your IT manager or Mitel representative for more information.