- Cloud
- Connectivity
- Decentralized Identity
- Enterprise
- Firewall
- Internet Protocol
- Network Operator
- on-premises
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Who is Clearfly?
Clearfly is a telecommunications provider that delivers IP-based voice and related network services to business and institutional customers.
- IP-based business voice services for multi-site and distributed organizations (voice over IP / hosted telephony)
- Session Initiation Protocol (SIP) trunking services for on-premises (on-prem) PBXs and UC platforms (enterprise voice connectivity)
- Hosted and managed voice offerings for organizations seeking cloud-based call control (cloud communications)
- Business-focused numbering, calling features, and call routing for contact and office environments (voice services)
- Connectivity and support tailored for integration with existing enterprise network and telephony infrastructure (enterprise telephony integration)
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More About Clearfly
Clearfly operates in the enterprise and business telephony segment, providing IP-based voice services that connect customer locations, PBX systems, and unified communications platforms to the public switched telephone network. The company focuses on SIP-based architectures, enabling organizations to replace or augment legacy TDM trunks with SIP trunking (enterprise voice connectivity) and related IP voice services. Its offerings are positioned for organizations that want to centralize voice connectivity, consolidate trunks across multiple sites, or standardize on IP-based calling while retaining existing phones or PBX infrastructure.
Clearfly’s services are built around SIP, Real-time Transport Protocol (RTP) media transport, and common enterprise telephony standards, which allows interoperability with a range of IP PBXs, session border controllers, and UC platforms. By using SIP trunking (enterprise voice connectivity), customers can connect on-prem call-control platforms to Clearfly’s network, typically over IP access links that may be dedicated or converged with data traffic, depending on customer design. This approach supports DID numbering, local and long-distance calling, and various calling features within a single IP-based framework.
The company also provides hosted and managed voice services (cloud communications), enabling customers to offload call-control functions to Clearfly’s infrastructure instead of maintaining PBX hardware on-site. In this model, phones and UC endpoints register to Clearfly-hosted platforms, while the provider manages core routing, numbering, and connectivity to external networks. This arrangement is used by organizations that prefer operational simplicity, subscription pricing models, or do not require tight integration with a complex on-prem telephony stack.
From a marketplace taxonomy perspective, Clearfly fits into the business Voice Over Internet Protocol (VoIP), SIP trunking, and cloud PBX categories. Its services are used in office, branch, and multi-location environments that require direct inward dialing, E911 support, and integration with existing customer IT networks. Enterprise teams typically evaluate Clearfly alongside other voice carriers and Unified Communications as a Service (UCAAS) providers, focusing on interoperability with their current PBX or UC systems, geographic coverage, numbering portability, and options for redundancy and failover.
Technical stakeholders considering Clearfly’s services usually assess how its SIP trunking and hosted voice offerings align with their broader network architecture, including Quality of Service (QoS) policies, firewall and SBC configuration, and resilience patterns such as dual-homed trunks or diverse access circuits. Clearfly’s role in these environments is to supply the carrier-side SIP endpoints, routing, and numbering resources that allow enterprises to operate voice services over IP while maintaining control over endpoint strategy, call flows, and integration with collaboration tools and business applications.
Our description of Clearfly. Updated December 2025.