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Who is OTT Communications?
OTT Communications is a provider of cloud-based unified communications, hosted voice, and SIP-based connectivity services delivered to enterprise and channel environments.
- Unified communications as a service (UCaaS)
- SIP trunking and cloud voice connectivity
- Microsoft Teams Direct Routing and calling integration
- Contact center and customer engagement solutions
- Managed collaboration and network connectivity services
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More About
OTT Communications is positioned in enterprise environments as a provider of hosted voice and unified communications delivered over IP networks. Its offerings are typically adopted by organizations that want to consolidate voice, messaging, meetings, and contact center functions into a managed cloud service rather than maintain on-premises private branch exchange infrastructure. Typical buyers include IT leaders managing multi-site operations, distributed workforces, and organizations migrating from legacy telephony.
The solutions rely on established communications architectures, including Session Initiation Protocol (SIP) trunking that connects enterprise telephony platforms to the public switched telephone network. Integration with Microsoft Teams Direct Routing is a significant part of the company's positioning, allowing organizations to retain Teams as the primary client while using carrier-grade voice connectivity. Quality of service management, number porting, emergency calling compliance, and session border control are common technical considerations in these deployments.
Compared with traditional on-premises PBX systems, cloud-hosted unified communications shift capital expenditure toward operating expenditure, reduce hardware maintenance obligations, and simplify scaling across locations. Within the broader market, the company competes with other UCaaS, CCaaS, and SIP trunking providers, as well as with large platform vendors that bundle communications into productivity suites. The relative fit of any given approach depends on existing investments, regulatory requirements, and the degree of integration required with line-of-business applications.
From a business perspective, the significance of these services lies in continuity, interoperability, and operational control. Voice remains a mission-critical channel for many enterprises, and dependable connectivity with predictable management overhead supports customer service, internal coordination, and compliance workflows. The directory positioning reflects a focus on cloud communications and unified communications as a service, with active offerings centered on voice connectivity, collaboration, and contact center capabilities.
Our description of OTT Communications. Updated October 2026.