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Who is Lifesize?
Lifesize is a provider of enterprise-grade video collaboration and contact center software delivered as cloud-based services with supporting hardware endpoints.
- Cloud-based video conferencing and collaboration platform for meetings and virtual events (collaboration).
- IP and standards-based meeting room systems integrating hardware codecs, cameras, and conference room devices (video endpoints).
- Contact center as a service platform for omnichannel customer engagement (CCaaS).
- Management and analytics tools for administering users, rooms, and usage performance (IT administration and analytics).
- Integrations with enterprise productivity suites and identity providers for Single Sign-On (SSO) and workflow alignment (enterprise integrations).
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More About Lifesize
Lifesize delivers enterprise video collaboration and contact center software as cloud services designed for organizations that require managed, standards-based communications infrastructure. Its platform supports scheduled and ad hoc video meetings, virtual events, and collaboration across desktop, mobile, and dedicated room systems, with centralized administration oriented to IT and unified communications teams.
The collaboration offering (collaboration) combines a multi-tenant cloud service with room endpoints that typically support Session Initiation Protocol (SIP) and H.323 protocols for interoperability with existing video conferencing environments. Meeting traffic is encrypted using widely adopted transport and media encryption methods, and the platform supports features such as screen sharing, recording, and directory-based meeting joins. Enterprises can deploy hardware room systems in conference rooms and connect them to the same cloud service used by remote participants on laptops or mobile devices, which allows a single management plane for both physical and virtual meeting spaces.
Lifesize also provides a contact center as a service platform (CCaaS) that runs in the cloud and is accessed through web-based and integrated agent desktops. The platform supports voice and digital channels such as chat and email, routing interactions based on queues, skills, or other configurable logic. Supervisors and administrators can monitor activity in real time, configure call flows, and view historical reporting to manage workforce performance and service levels. The contact center product is positioned toward organizations that want to operate customer support or sales engagement operations without installing on-premises (on-prem) telephony infrastructure.
From an architectural perspective, Lifesize solutions are typically deployed as cloud-first services with optional hybrid scenarios when organizations retain existing SIP or H.323-based endpoints or PBX infrastructure. Identity integration commonly uses Security Assertion Markup Language (SAML) or OAuth-based SSO with enterprise directories and identity providers, allowing user lifecycle management to remain in corporate systems. Network configuration often involves firewall and proxy traversal using standard ports and media relay mechanisms so that video and voice traffic can traverse corporate boundaries without exposing internal devices directly to the internet.
For marketplace categorization, Lifesize fits primarily into two enterprise IT categories: cloud video collaboration and web/video conferencing under unified communications, and CCaaS under customer engagement and contact center platforms. Its hardware endpoints align with conference room video systems in unified communications hardware. The combination of cloud services, hardware, and integrations with productivity suites and calendar systems positions Lifesize for organizations standardizing on managed, subscription-based collaboration and customer interaction platforms.
Our description of Lifesize. Updated December 2025.
