Modulis is a telecommunications company based in Montreal, Quebec, Canada, specializing in VoIP (Voice over Internet Protocol) services since its founding in 2006. The company provides scalable and reliable communication solutions primarily for mid-sized and large enterprises, including government entities.

Their flagship offering is the ClusterPBX platform, which delivers high-performance, multi-tenant, load-balanced, and failover-capable phone systems. Built on the open-source Asterisk framework and enhanced with proprietary technology, this platform supports both on-premise and cloud-based communication systems. Modulis also offers VoIP phone systems, omnichannel contact centers with AI-powered tools, business telephony integrations, and consulting services to optimize communication infrastructure.

Modulis serves customers across the United States, Canada, and Europe, focusing on businesses that require advanced telephony systems for mission-critical communications. In 2019, Modulis became part of ClearlyIP Inc., expanding its reach and capabilities in the telecommunications market.