Tata Communications

Specializes exclusively in wholesale two-way SIP trunking, local origination, and virtual DID/toll-free number coverage across more than 80 countries with carrier-grade APIs and portal management.

Tier 1 global communications provider owning a native IP voice network that delivers international wholesale SIP trunking, local DID origination, and emergency calling across 65+ countries.

Major international wholesale voice carrier and Tier 1 interconnect providing telcos, CPaaS platforms, and global enterprises with wholesale SIP trunking and cloud DID numbering across 120+ territories.

Operating under the enterprise networking arm of Sinch, the former Voxbone infrastructure powers global inbound SIP origination and compliant local DID inventory in over 65 countries via direct PSTN interconnections.

Maintains an international private, multi-cloud IP backbone delivering wholesale elastic SIP trunking, automated bulk DID provisioning, and local number inventory across dozens of global markets via self-serve APIs.

Provides wholesale voice origination, DID numbers, and A-Z SIP termination via IDT Global and IDT Express, drawing on one of the industry's longest-standing international carrier routing footprints.

Delivers global wholesale SIP trunking and international DID inventory spanning 150+ countries with self-service management, flexible porting, and native cloud peering capabilities.

Specialized wholesale VoIP and virtual numbering provider operating its own autonomous system (AS13006) and physical PoPs worldwide, supplying wholesale SIP trunks and local DIDs across 70+ nations.

Major pan-European and Asia-Pacific telecommunications infrastructure provider offering enterprise-grade wholesale SIP trunking and full-replacement DID numbering across key financial and telecom hubs.

Operates one of the world's most extensive global network backbones spanning over 220 countries, delivering enterprise-grade managed SD-WAN, multi-cloud interconnectivity, and integrated SASE via native Orange Cyberdefense capabilities.

Provides end-to-end global managed network and enterprise WAN services backed by a Tier-1 global IP backbone, orchestrated via its proprietary SPEKTRA AI platform with integrated cloud-native security and SASE.

Delivers global enterprise managed SD-WAN and SASE capabilities connecting multinational footprints across multi-cloud environments, supported by integrated multi-vendor security architectures and 24/7 global operations.

Provides comprehensive managed connectivity solutions for multinationals, featuring global SD-WAN overlays, redundant MPLS/Internet underlays, and unified SASE frameworks co-developed with leading cybersecurity providers.

Maintains an expansive global Tier-1 network delivering carrier-grade managed software-defined WAN, advanced multi-cloud networking, and integrated zero-trust security services to distributed global enterprises.

Leverages a deeply peered global fiber network to provide software-defined wide area networking coupled with edge computing and cloud-delivered network security for multinational organizations.

Offers agile, high-bandwidth managed SD-WAN and on-demand connectivity across Europe, Asia-Pacific, and North America, integrated with cloud-delivered security service edge frameworks.

Combines global telecom connectivity assets with specialized cybersecurity and cloud managed services to deploy enterprise SD-WAN and unified SASE architectures across Europe and the Americas.

Specializes in multinational enterprise connectivity by coupling a global Tier-1 IP backbone with fully managed SD-WAN, redundant multi-carrier last-mile sourcing, and unified network security services.

Specializes in turnkey managed cloud voice enablement, delivering Operator Connect, Direct Routing, and Cisco Webex Calling integrations with white-glove provisioning and 24/7 managed support for midmarket and enterprise buyers.

Provides enterprise-grade cloud telephony integration (Duet for Teams and Zoom) backed by an owned nationwide Tier 1 IP voice network, dynamic E911 management, and global number inventory.

Offers end-to-end managed cloud voice enablement, Operator Connect services, and legacy PBX cloud migrations across 40+ countries for multinational enterprises.

Orange Business provides global managed voice integration with native Microsoft 365 and Cisco platforms, offering managed session border controllers, regulatory compliance, and multi-region SIP infrastructure.

A leading provider of cloud-first managed voice solutions and certified Operator Connect/Direct Routing enablement for Microsoft Teams across North American and European operations.

Offers automated cloud voice provisioning via its iPILOT platform, providing midmarket and enterprise customers with turnkey Operator Connect and Direct Routing onboarding without complex hardware setup.

Delivers comprehensive managed Operator Connect and Direct Routing voice enablement for Microsoft Teams, backed by business continuity failover guarantees and fully managed implementation.

Provides enterprise-grade managed cloud telephony and certified Operator Connect connectivity for Microsoft Teams, Cisco Webex, and Zoom Phone across over 40 countries.

Combines extensive North American and transcontinental fiber backbone capabilities with managed voice services for Microsoft Teams and Cisco Webex, targeting high-volume enterprise communications.

Operates one of the world's largest private IPX backbones with direct interconnections across hundreds of MNOs, offering comprehensive SS7/Diameter/HTTP/2 signaling, 5G SA roaming, and end-to-end clearing and financial settlement services.

Global Tier-1 wholesale carrier carrying a major portion of global data roaming traffic, delivering full IPX transport, 5G SA Service Hub signaling interworking, and complete managed roaming hub services.

Provides a comprehensive, neutral roaming ecosystem combining global IPX network transport, SS7/Diameter/HTTP/2 signaling, Key2roam Hub, and full GSMA-compliant Data and Financial Clearinghouse services.

Specialized global roaming partner delivering industry-standard Data Clearinghouse (DCH) and Financial Clearinghouse (FCH) services alongside BCE (Billing and Charging Evolution) automation for MNOs and MVNOs.

Operates an extensive Tier-1 multiservice IPX network featuring open peering, 5G SA roaming sandbox environments, regional local breakout, and signaling exchange for MNOs and MVNOs.

Deutsche Telekom's wholesale division provides a global Tier-1 IPX network, multi-protocol roaming signaling, and regional packet gateway breakout architectures tailored for 4G/5G data roaming.

Supplies an extensive international carrier IPX footprint across 200+ countries, complete roaming signaling, Open Roaming Hub access, and comprehensive wholesale connectivity for MNO and MVNO roaming.

Manages wholesale connectivity and roaming infrastructure for Telefónica, delivering IPX transport, multi-IMSI Global Connect Hub services, signaling routing, and outsourced roaming operations.

Delivers global multiservice IPX transport, SS7/Diameter roaming signaling, and secure mobile interconnects on top of Sparkle's worldwide Seabone backbone.

Offers an extensive Tier 1 global IP backbone, multi-carrier access aggregation, managed SD-WAN (supporting VMware/VeloCloud, Cisco, Versa), and native enterprise voice with Microsoft Teams Operator Connect and Cisco Webex PSTN integration.

Specializes in global managed connectivity, multi-provider network integration, managed SD-WAN/SASE, and multinational cloud voice integration including Operator Connect for Microsoft Teams and Zoom Phone Provider Exchange.

Operates a global Tier 1 IP network while providing multi-carrier access aggregation, managed SD-WAN across leading platforms, and native SIP trunking with Microsoft Teams Operator Connect and Cisco Webex Calling integration.

A leading global network aggregator delivering managed multi-carrier SD-WAN and unified communications services under single-vendor contracts, featuring BT Cloud Work and global Microsoft Teams direct routing/Operator Connect.

Provides enterprise-grade managed network services across multinational footprints, including multi-vendor SD-WAN design/monitoring and comprehensive global cloud voice aggregation across Microsoft Teams and Cisco ecosystems.

Serves as a premier multi-carrier aggregator in North America, consolidating disparate local telecom and broadband carriers onto a single bill while providing managed SD-WAN (Granite Guardian) and Cloud Connect/Direct Routing for Webex and Teams.

A pioneer in software-defined networking, offering fully managed SD-WAN and SASE with integrated multi-carrier transport, paired with native unified communications and direct SIP integrations for Cisco Webex Calling and Microsoft Teams.

Delivers an all-in-one managed SD-WAN and Unified SASE platform utilizing a global private L2 backbone, complete with last-mile multi-carrier procurement/management and optimized cloud on-ramps for real-time UCaaS/voice performance.

Specializes in multi-carrier global internet and underlay procurement, managed SD-WAN overlay orchestration across all tier-one appliance vendors, and enterprise cloud on-ramps optimizing PSTN SIP and UCaaS traffic globally.

Operates an enterprise-grade global IP voice network covering over 60 countries with direct-to-carrier connectivity, native BYOC support for major CCaaS/UCaaS platforms (Genesys, Microsoft Teams, Zoom Phone, Cisco Webex), and built-in global emergency calling compliance.

Provides Elastic SIP Trunking with global PSTN termination and origination, offering instantaneous self-service provisioning of international DIDs/toll-free numbers across 100+ countries, failover disaster recovery routing, and native support for major enterprise PBX and contact center systems.

Delivers global carrier-grade SIP trunking over a private fiber backbone, acting as a licensed carrier in dozens of international markets with automated DID provisioning, granular routing controls, and full BYOC integration for enterprise unified communications.

Provides scalable Elastic SIP Trunking powered by owned tier-1 carrier infrastructure, delivering direct PSTN interconnects, global virtual phone numbers, and enterprise integrations with platforms like Genesys Cloud CX and Microsoft Teams.

Delivers global cloud SIP trunking and international number coverage across 120+ countries, offering specialized BYOC and SIP link integrations for major contact centers and UCaaS providers with integrated regulatory compliance.

Provides enterprise-grade SIP trunking (VoIP Access) with deep pan-European and Asian metropolitan network footprint, offering fully compliant PSTN replacement, DDI allocations, and certified direct routing for cloud collaboration suites.

Provides Vodafone Business Global SIP, consolidating international corporate voice across dozens of countries with carrier-grade SLAs, centralized routing, and certified enterprise UC/CCaaS interoperability.

Delivers BT Global SIP, enabling multinational organizations to centralize PSTN access, port existing numbers, and connect legacy PBXs or cloud platforms (such as Cisco Webex, Microsoft Teams, and Zoom) across international territories.

Features a Tier 1 global IP backbone providing enterprise SIP Trunking, BYOC connectivity, and virtual number porting for cloud-connected environments including Microsoft Teams, Cisco Webex Calling, and Google SIP Link.

Offers Tier-1 global enterprise WAN underlay and overlay reaching over 200 countries, delivered via its Evolution Platform with flexible co-managed and fully managed SD-WAN and SASE integration across leading technology ecosystems.

Provides enterprise-grade global managed SD-WAN and SASE services with extensive multinational coverage, rigorous SLAs, and deep partnerships with leading SASE framework vendors.

Operates one of the largest global business network backbones, offering fully managed and co-managed SD-WAN and SASE services that converge secure branch connectivity, zero-trust policies, and hybrid cloud integration.

Combines a Tier-1 global IP network backbone with full-lifecycle systems integration and managed services, providing end-to-end SD-WAN deployment, SSE integration, and round-the-clock co-managed operational oversight.

Delivers global multinational enterprise connectivity spanning 180+ countries, providing managed SD-WAN and cloud-delivered SASE security controls managed via global operations centers.

Leverages extensive global fiber routing and edge computing node presence to offer managed SD-WAN and SASE architecture designed for low-latency branch-to-cloud security convergence.

Provides managed connectivity across European, African, and international footprints, combining software-defined network management with integrated zero-trust and cloud security policy enforcement.

Specializes in enterprise SD-WAN over global high-bandwidth on-demand fiber routes, offering integrated managed SASE and SSE capabilities across key multinational corporate hubs.

Specializes in global managed internet underlay orchestration, providing carrier-neutral managed SD-WAN and cloud security aggregation for global enterprises operating across diverse international branch estates.

Operates AS1299, consistently ranked among the world's top Tier-1 IP backbones with extensive reach across North America and Europe, delivering wholesale IP transit up to 400 Gbps and underlying optical wavelength transport.

Operates AS3356 (formerly Level 3), one of the most interconnected Tier-1 backbones in the world, offering high-speed IP transit with native 100G/400G ports and long-haul optical transport across North America, Europe, and Asia-Pacific.

Provides the Tier-1 Global IP Network (AS2914) under NTT DATA, distinguished by its transpacific backbone capacity, tight routing controls, and peering density connecting North America, Europe, and Asia.

Operates AS174, delivering cost-efficient, high-volume Tier-1 wholesale IP transit and optical wave transport through thousands of carrier-neutral data centers across North America, Europe, and Asia.

Operates global Tier-1 IP network AS3257, delivering wholesale IP transit and high-capacity optical wavelengths with deep metro and long-haul footprints across North America and Europe.

Combines a dense dark fiber and 400G optical transport network across North America and Western Europe with wholesale IP transit on Tier-1 backbone AS6461.

Operates the Seabone Tier-1 IP backbone (AS6762), providing high-capacity wholesale transit and optical subsea transport bridging Europe, the Mediterranean basin, the Americas, and Asia.

Wholesale infrastructure subsidiary of Telefónica operating Tier-1 backbone AS12956, underpinned by an extensive transoceanic subsea fiber mesh linking the Americas and Europe.

Operates AS6939, maintaining the world's most connected IPv6 backbone and one of the largest IPv4 peering meshes across exchange points globally, making it a standard choice for multihomed transit blends.

Offers an industry-standard developer ecosystem for programmable SMS, MMS, RCS, and voice APIs with tier-1 carrier redundancy and proven enterprise scalability across North America and worldwide.

Maintains direct Tier-1 carrier interconnections across North America and globally, powering enterprise programmable messaging, voice calling, and conversational APIs with carrier-grade reliability.

Operates its own nationwide CLEC IP voice network in North America while providing programmable voice, messaging, and emergency calling APIs backed by direct network infrastructure across over 60 countries.

A licensed telecommunications carrier that operates an owned global private IP network with low-latency edge points of presence for programmable voice, SMS, and SIP trunking APIs.

Features extensive direct operator connectivity and data centers worldwide, delivering resilient programmable voice, SMS, RCS, and omnichannel messaging APIs tailored for global enterprise requirements.

Ericsson-owned enterprise communication platform delivering robust programmable voice, SIP, and messaging APIs with global carrier reach and carrier-grade infrastructure.

Provides scalable, cost-efficient cloud communication APIs for programmable voice and SMS with carrier-direct connections spanning North America and over 190 countries.

Operating under the Bird brand, provides high-throughput developer APIs for SMS, voice, and omnichannel messaging with carrier failover capabilities across international networks.

Founded by the authors of the open-source FreeSWITCH engine, delivering developer-first programmable unified communications, low-latency voice, and messaging infrastructure.

Provides enterprise-grade LoRaWAN network server management paired with integrated mediation, data flow routing, and analytics connectors for private industrial deployments worldwide, including India and the US.

Offers an enterprise-grade private LoRaWAN network server stack with integrated gateway supervision, end-to-end device management, payload decoders, and direct analytics connectors.

Delivers carrier-grade LoRaWAN network operating system software for private, enterprise, and hybrid deployments with comprehensive radio frequency management and data routing.

Specializes in hybrid network management systems and private LoRaWAN network servers engineered for high availability, security, and edge-to-cloud analytics routing across global geographies.

Provides a carrier-grade and edge-deployable LoRaWAN network server platform that integrates end-to-end sensor orchestration, gateway operations, and data analytics integration.

Features a unified operations center combining network server orchestration, gateway supervision, and private IoT data streaming capabilities.

Offers a fully managed cloud LoRaWAN network server integrated directly into AWS IoT Core, enabling enterprise gateway attachment, serverless telemetry processing, and deep analytics.

Offers an integrated platform pairing embedded and cloud-hosted LoRaWAN network orchestration with native asset telemetry dashboards and analytics.

Delivers an enterprise LoRaWAN network server and application suite tailored for private enterprise campus, industrial, and smart building rollouts.