Magrathea Telecommunications: Listing, products and coverage

Q: Who is Magrathea Telecommunications?

Magrathea Telecommunications is a UK wholesale provider of carrier-grade voice, SIP trunking, and numbering services for service providers.

Q: What does Magrathea Telecommunications compete in?

Magrathea Telecommunications competes in: Telecommunication Services / Diversified Telecommunication Services / Integrated Telecommunication Services.

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Who is Magrathea Telecommunications?

Magrathea Telecommunications is a UK-based wholesale telecommunications provider offering carrier-grade voice and messaging services to service providers, enterprises, and other communications operators.

Wholesale voice termination and origination services for service providers and enterprises (telephony)
Numbering services including UK geographic, non-geographic, and mobile numbers (numbering and DID services)
Session Initiation Protocol (SIP) trunking and IP interconnect for Voice Over Internet Protocol (VoIP) platforms and carrier networks (enterprise telephony)
Inbound call handling features such as routing, forwarding, and related configuration (call management)
Supporting services for messaging, emergency calling, and regulatory-compliant telecom operations (carrier services)

More About Magrathea Telecommunications

Magrathea Telecommunications operates as a wholesale carrier, supplying voice and related services to organisations that build and manage their own communications platforms, including hosted PBX providers, contact centre platforms, unified communications vendors, ISPs, and enterprise telecom teams. Its services are designed to integrate with IP-based architectures, especially VoIP systems using SIP (enterprise telephony). Customers typically embed Magrathea’s capabilities into their own offerings, consuming telephony and numbering as network components rather than retail services.

The company’s voice portfolio focuses on call origination and termination across UK and international destinations, with support for SIP interconnects, IP trunking, and routing suitable for softswitches, SBCs, and cloud-hosted communications platforms (network interconnect). Numbering services cover UK geographic, non-geographic, and mobile ranges, delivered as Direct Inward Dialing (DID) capabilities for applications such as cloud PBX, IVR systems, and contact centres (numbering and DID services). These services allow service providers and enterprises to allocate numbers programmatically and route calls into their own infrastructure.

Magrathea’s SIP and IP interconnect services are intended for integration with standard VoIP stacks, SBCs, session routers, and application servers, using SIP over IP networks and interoperating with RTP-based media transport (enterprise telephony). This allows enterprises, ITSPs, and platform providers to connect their systems to the public switched telephone network (PSTN) via Magrathea, rather than operating their own PSTN interconnects. Typical deployment patterns include multi-tenant hosted PBX platforms, Unified Communications as a Service (UCAAS) offerings, and contact centre environments that require scalable inbound and outbound capacity.

Inbound call handling features include routing and forwarding, number translation, and related service logic that can be combined with customer-owned platforms to implement call flows, hunt groups, IVR, and Disaster Recovery (DR) scenarios (call management). These functions give technical teams flexibility in how calls are directed between data centres, SIP endpoints, and on-premises (on-prem) or cloud infrastructure. Messaging options and support for services such as emergency calling are designed to align with UK regulatory expectations and telecom compliance requirements for service providers (carrier services).

In an enterprise and service provider directory, Magrathea Telecommunications aligns with categories such as wholesale voice services, SIP trunking, numbering and DID services, and carrier interconnect. Its offerings are suited to organisations that require programmable, carrier-grade PSTN access and numbering resources as components within broader communications, collaboration, or customer engagement platforms, rather than as standalone retail telephony products.

Our description of Magrathea Telecommunications. Updated February 2026.

Market segments

Telecommunication Services / Diversified Telecommunication Services / Integrated Telecommunication Services

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Company details

Headquarters: United Kingdom

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Website magrathea-telecom.co.uk
LinkedIn linkedin.com/company/magrathea-telecommunications-ltd
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