No article in the knowledge graph for Voip Unlimited yet.
Who is Voip Unlimited?
Voip Unlimited is a UK-based telecommunications provider that delivers SIP-based voice, connectivity, and related communication services for business and enterprise environments.
- Business VoIP telephony and hosted IP voice services for organisations
- Session Initiation Protocol (SIP) trunking and session-based voice connectivity for IP PBXs and contact centres
- Data connectivity services, including business internet access and network links
- Specialised communication solutions for sectors that require assured voice and network performance
- Support, provisioning, and management services for IP communications infrastructure
Show more
More About Voip Unlimited
VoIP Unlimited operates in the enterprise and business communications market, providing SIP-based telephony and IP connectivity services that integrate with existing corporate networks, PBXs, and collaboration platforms. Its offerings are designed for organisations that want to migrate from legacy PSTN or ISDN systems to IP voice while maintaining control over numbering, call routing, and Quality of Service (QoS). Customers typically deploy VoIP Unlimited services as part of broader unified communications, contact centre, or multi-site voice architectures.
The company focuses on Voice over IP (VoIP) using SIP (real-time communications), which is widely used to establish, modify, and terminate voice and video sessions over IP networks. SIP trunking (enterprise telephony) allows businesses to connect on-premises (on-prem) or hosted IP PBXs to the public telephone network, often consolidating multiple legacy lines into a smaller number of IP trunks. This model supports direct inward dialling, geographic and non-geographic numbers, and integration with call handling systems and applications.
VoIP Unlimited also provides business-grade internet and data connectivity (enterprise networking), which is a prerequisite for stable IP voice. These services may include dedicated or managed access circuits that are dimensioned for voice traffic, with appropriate bandwidth, routing, and resilience characteristics. By combining voice and connectivity, the provider can align QoS policies, traffic prioritisation, and routing to support latency-sensitive traffic such as SIP signalling and Real-time Transport Protocol (RTP) media streams.
In enterprise deployments, VoIP Unlimited services are used in architectures that may include on-prem IP PBXs, hosted PBX platforms, SBCs (session border controllers), and firewalls that manage SIP traversal and security. The use of SIP and RTP aligns with standardised VoIP architectures, enabling interoperability with mainstream telephony equipment, softphones, and collaboration clients. This approach allows organisations to centralise trunks for multiple sites, support remote workers over VPNs or secure internet access, and integrate telephony with CRM or service desk systems.
Compared with traditional TDM-based voice services, SIP-based solutions from providers such as VoIP Unlimited operate over IP networks and can support flexible numbering plans, scalable channel capacity, and geographic independence from physical lines. Within an enterprise IT taxonomy, VoIP Unlimited would typically be classified under business VoIP, SIP trunking, hosted telephony, and business connectivity services. These services are relevant to IT leaders responsible for telephony strategy, network engineering, and the transition from legacy voice infrastructure to IP-centric communication platforms.
Our description of Voip Unlimited. Updated February 2026.