Mitel Networks Corporation is a Canadian telecommunications company. The company previously produced TDM PBX systems and applications, but after a change in ownership in 2001, now focuses almost entirely on Voice-over-IP products.

Mitel is a global market leader in business communications, powering more than two billion business connections with cloud, enterprise, and next-generation collaboration applications. With over 35 million users in over 100 countries, Mitel is the only company dedicated exclusively to helping customers take their communications from where they are to where they will be in the future.