Bicom Systems

Sangoma is the primary steward and commercial backing organization behind Asterisk and FreePBX, offering both the open-source FreePBX software platform and commercial PBXact systems for self-hosted and on-premises business telephony.

3CX offers a widely adopted software-based IP PBX platform deployable directly on customer-owned on-premises servers, virtual machines, or self-hosted private cloud environments.

Yeastar provides the P-Series Software Edition, a robust software-based IP PBX designed for private virtual machines or bare-metal enterprise servers supporting unified communications and multi-branch management.

PortaOne delivers PortaSwitch, a carrier-grade, highly scalable Class 5 softswitch and multi-tenant unified communication software platform engineered for self-hosted telecommunication operators and enterprise providers.

Vodia Networks develops a versatile software IP PBX engineered with native multi-tenancy from the core, making it well suited for self-hosted multi-tenant setups and on-premise business phone system requirements.

Wildix offers a browser- and WebRTC-centric unified communications and IP PBX system capable of deployment in customer private clouds and on-premises virtual environments with multi-location network management.

Mitel offers MiVoice Business, an established enterprise software communication platform that can be deployed on private virtualized infrastructure or on-premises servers across multi-site environments.

Avaya provides the IP Office platform, enabling businesses to host feature-rich unified communications software on private servers, virtual machines, or appliances across distributed enterprise sites.

Sipwise develops the C5 platform, a multi-tenant softswitch and IP PBX software stack suited for service providers and large enterprises wanting self-managed or on-premises Class 5 VoIP telephony infrastructure.

Provides one of the most mature turnkey private-label partner models (Intermedia CORE) in the MSP space, giving partners end-to-end customer ownership, full portal and softphone branding, an enterprise-grade 99.999% uptime SLA, and automated telecom tax calculation and filing support.

Offers a purpose-built white-label UCaaS delivery ecosystem tailored specifically for MSPs, interconnects, and IT resellers, pairing carrier infrastructure and unified messaging with streamlined integrations into MSP billing tools like Rev.io and Datagate.

Engineered by former MSP operators to integrate cloud communications directly with their proprietary ViiBE quote-to-cash engine, enabling automated telecom taxation, self-service client ordering, and branded resale of AI voice agents.

Supplies the RingOS white-label software platform designed to let MSPs generate sales quotes, auto-provision hosted PBX and unified messaging extensions, and handle ongoing subscriber invoicing and tax management in an integrated portal.

Develops the NetSapiens Class-5 softswitch and UCaaS platform powering many downstream wholesale providers, while licensing directly to larger MSPs and ITSPs that require deep software control, multi-tenant partitioning, and concurrent-session licensing models.

Provides a turnkey wholesale UCaaS platform backed by an outsourced NOC, carrier provisioning, and branded billing tools (Unifyr), allowing MSPs to market communications services under their brand without managing core telecom engineering.

Operates as a wholesale cloud communications division backed by an established ILEC (Saddleback Communications), providing MSPs with private-label UCaaS, CCaaS, SIP trunking, and automated private-label billing and regulatory assistance.

Offers the cloud-based TeliCore softswitch and billing infrastructure, allowing MSPs and telecom resellers to bring their own carriers (BYOC), configure custom rating/billing schedules, and deploy white-label desktop, mobile, and WebRTC unified voice solutions.

Offers an open-architecture, multi-tenant PBX and UC platform that MSPs can self-host or consume as a managed service, featuring complete brand re-theming across admin consoles and Thirdlane Connect unified communications clients.