- Cloud
- Connectivity
- Enterprise
- Internet Protocol
- Managed Services
- Monitoring
- Network Operator
- on-premises
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Who is AltiGen Communications?
AltiGen Communications is a provider of unified communications and contact center software and cloud services for enterprises and organizations that use Microsoft-based collaboration and telephony environments.
- Cloud-based unified communications as a service (UCaaS) and IP PBX for enterprise voice and collaboration.
- Contact center and customer engagement solutions integrated with Microsoft platforms.
- Microsoft Teams–centric calling, routing, and attendant console capabilities (collaboration and voice).
- Managed and hosted services for voice, routing, and customer interaction workloads (cloud communications).
- Professional services for deployment, migration, and ongoing support of AltiGen and Microsoft voice solutions.
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More About AltiGen Communications
AltiGen Communications focuses on software-based unified communications, contact center, and cloud voice services aligned with Microsoft-centric IT environments, targeting enterprises, midmarket organizations, and service providers that standardize on Microsoft 365 and Microsoft Teams for collaboration.
The company’s offerings typically center on IP-based telephony, SIP (Session Initiation Protocol) signaling, and integration with Microsoft Teams and related Microsoft cloud services, positioning its platforms as an extension to existing directory, identity, and collaboration frameworks in enterprise environments.
In enterprise deployments, AltiGen’s Unified Communications as a Service (UCAAS) and IP PBX capabilities (unified communications) are used to provide call control, extension management, auto attendants, and voicemail features, while leveraging customer networks, SBCs (session border controllers), and SIP trunks for PSTN connectivity.
For customer service operations, AltiGen delivers contact center and customer engagement capabilities (contact center) such as skills-based routing, queue management, and call distribution that operate alongside or on top of Microsoft Teams, allowing organizations to handle inbound and outbound customer interactions through a single collaboration and telephony stack.
The company also supports Teams-based calling scenarios (collaboration and voice) where enterprises use Teams as a primary user interface for voice communication, while AltiGen systems handle call routing logic, operator console functions, and integration with external telephony infrastructure.
AltiGen positions its cloud-hosted and managed services (cloud communications) for organizations that prefer to offload management of PBX, contact center, and routing workloads, while still maintaining integration with on-premises (on-prem) or cloud-based Microsoft services and enterprise identity systems.
Professional services and support offerings (services) include planning, migration from legacy PBX systems to IP-based and Teams-integrated environments, configuration of call flows and contact center routing, and ongoing monitoring and administration assistance for production deployments.
In marketplace and directory taxonomies, AltiGen Communications can be categorized under unified communications as a service (UCaaS), enterprise telephony/IP PBX, Microsoft Teams calling add-ons and operator console solutions, and contact center software integrated with collaboration platforms, with a focus on Microsoft-based enterprise environments.
Our description of AltiGen Communications. Updated December 2025.