NUSO
About
NUSO is a cloud communications company that delivers voice, messaging, contact center, and platform services on a secure global network, serving small businesses, enterprises, and service providers in over 30 countries. The company offers UCaaS, SIP trunking, Microsoft Teams and Zoom integrations, AI-powered call reliability, and compliant communications solutions across industries including healthcare, finance, government, and education. NUSO operates through a partner channel model and provide...
Details
Website
nuso.cloudOfferings
19 active
VenSearch Intelligence
Ideal Customer
- NUSO targets businesses of all sizes—from SMBs to large enterprises—but its roots and channel-first model are particularly well-suited to SMBs and mid-market companies that lack large dedicated IT staffs, as well as MSPs and telecom agents looking to resell cloud communications services.
- Its customer base includes established businesses, startups, hospitals, municipalities, and enterprises using UCaaS or SIP trunking.
Key Differentiators
- NUSO's key differentiators include its channel-first operating model—where it acts as an ally rather than a competitor to partners—its natively built, AI-powered NUSOflex network that provides proactive call rerouting and 99.999% uptime (demonstrated during events like Hurricane Beryl by enabling over 3.1 million calls), and its full-stack portfolio spanning UCaaS, CCaaS, SIP trunking, CPaaS, messaging, and compliance recording from a single provider.
- NUSO claims a 96% customer satisfaction score on support interactions.
Industries Served
- NUSO serves a broad range of industries including healthcare, finance, education, government, legal, retail, professional services, high tech, manufacturing, transportation, and global service providers.
- In healthcare, NUSO provides HIPAA-compliant communications for clinics, hospitals, pharmacies, and long-term care facilities.
Service Coverage
- NUSO operates globally, with its primary presence in North America and an expanding international footprint.
- The company delivers voice, messaging, contact center, and platform services across 30+ countries, with platform services infrastructure reaching 40+ countries, including local DIDs, toll-free numbers, and emergency calling compliance.
Partnerships
- NUSO holds deep certified partnerships with Microsoft and Zoom.
- It is a Microsoft Operator Connect partner and a certified Zoom Cloud Peering partner listed in the Zoom App Marketplace, and in October 2025 expanded the Zoom relationship to become a global partner for Zoom Phone and Zoom Contact Center licenses.
Company Size & Ownership
- NUSO was founded in 2018 as a spin-out of the VoIP division of SoTel Systems, becoming an independent company in 2019 with initial investment from Advantage Capital.
- As of mid-2026, the company employs approximately 142–147 people across four continents, with estimated annual revenues ranging from $25M–$51M depending on the source, reflecting strong growth from its spin-out.
Compliance & Certifications
- NUSO holds ISO 27001:2022 and ISO 9001 certifications, and is compliant with HIPAA, GDPR, NIS2, and MiFID II.
- Through its T-Metrics subsidiary, NUSO also supports FedRAMP, StateRAMP, and TXRAMP requirements, as well as JITC-certified premise-based solutions for high-security government environments.
Compiled from public sources by VenSearch · Last researched October 14, 2026
Offerings
19 offeringsAttendant Console
A call management tool that enables receptionists and operators to handle multiple calls simultaneously, view availability via Busy Lamp Fields, search an integrated company directory, and rapidly transfer calls. It is certified for use with Microsoft Teams and integrates with Zoom, most major UC platforms supporting SIP standards, and leading CRMs such as Dynamics and Salesforce. It can be used as a softphone or in desk-phone mode, and supports localization in multiple languages.
Branded Calling ID (BCID)
A service that delivers cryptographically signed, STIR/SHAKEN-based branded business calls to consumer smartphones, displaying the business name, logo, and reason for calling to reduce spam concerns and improve answer rates. NUSO is a BCID Authorized Partner within the industry-led Rich Call Data ecosystem, which involves rigorous vetting and validation of business caller data. The solution is designed for cross-carrier interoperability nationwide.
Command & Control
A management and automation platform providing total visibility and automation across NUSO communications services. It is available to both business customers and global service provider partners for provisioning, managing, and monitoring communications services in real time. Partners can use it to quote, add phone numbers, and manage customer accounts.
Connect for Business
A cost-effective, voice-centric contact center solution certified for use with Microsoft Teams. It includes an agent console, queue manager, supervisor dashboard, skill-based routing, and call analytics, designed for businesses without large dedicated IT staff. It supports communication via voice, email, and messaging with advanced call handling and reporting dashboards.
Connect for Enterprise
An AI-powered, omnichannel enterprise contact center solution with the highest security standards. It integrates with leading CRM, ERP, and WFM systems and includes transcription, sentiment analysis, automatic summarization, and advanced chatbots to optimize the customer experience and boost team performance.
Connect Recorder
A call recording solution featuring a scalable, centralized platform that integrates into existing communications infrastructures to simplify compliance and operational oversight, both inside and outside of a contact center environment. It includes AI-powered transcription and sentiment analysis, a user-friendly interface, and secure compliant storage meeting HIPAA, GDPR, and other standards. It is certified for use with Microsoft Teams.
IPFax
A cloud faxing solution that allows businesses to send and receive faxes via email from any device including computers, smartphones, and tablets, with no software or hardware required. It supports both standard cloud fax and a legacy interface for traditional faxing with a 98% success rate on inbound and outbound transmissions. A high-volume fax package is available that gives fax traffic high priority status across the cloud.
NUSO Bridge for Microsoft Teams
A suite of integrations that bring NUSO voice and messaging capabilities into Microsoft Teams through three options: Platform Connect for integrating UCaaS platforms with Teams, SIP Connect for direct routing of Teams to the PSTN, and Operator Connect for managing phone features directly in the Microsoft Teams admin center. It also includes NUSO Bridge License Verification Pro, a tool that helps Microsoft Global Administrators assess their organization's readiness and existing phone-ready licenses before deploying Teams Phone services. NUSO Bridge for Teams Call Manager provides a simplified, secure management portal for configuring Teams Phone without requiring PowerShell or full tenant admin rights.
NUSO Bridge for Zoom
A cloud peering integration that connects NUSO's voice network with the Zoom Phone application, providing PSTN access for inbound, outbound, and toll-free calling. It supports use on desktop, laptop, mobile, and desk phones, includes multiple E911 compliant solutions, robocall mitigation with STIR/SHAKEN, and network redundancy for reliability and disaster recovery. NUSO is listed as a certified partner in the Zoom App Marketplace.
NUSO Critical Communications Platform
A platform for critical communications and operational coordination solutions, offered in combination with T-Metrics technology for scalable, compliant communication systems serving federal, state, and local governments. It is listed as a distinct product category addressing mission-critical operational coordination needs across industries. Additional details about features are referenced on the main product navigation but not fully expanded in the analyzed pages.
NUSO Messaging
An enterprise-grade business SMS and MMS messaging service that allows businesses to send and receive text messages from any business phone number, including local, toll-free, and VoIP numbers. Features include one-to-many messaging, auto-responses triggered by keywords, shared team numbers, searchable customer contact databases, and full conversation history. The SimplyConnect component enables quick deployment with automated provisioning, API integrations, and North America-wide compliant messaging.
NUSOflex
An AI-powered call reliability platform built into the NUSO network that provides unparalleled network reliability for voice services. It monitors calls in real time and uses intelligent routing to maintain call quality and reduce failures. NUSOflex backs all NUSO products and is referenced as the foundation for SIP trunking, UCaaS, and platform service reliability.
Operator Connect for Microsoft Teams
A carrier-grade PSTN calling service for Microsoft Teams that activates in a few clicks without requiring SBCs, SIP trunks, or specialized on-premises telecom hardware. NUSO's direct peering with Microsoft provides crystal-clear audio and high reliability, with global reach for domestic and international calling. It is paired with NUSO Bridge for Teams Call Manager, a secure portal that allows admins, MSPs, and helpdesk staff to configure users, numbers, auto attendants, call queues, and policies without full tenant admin rights or PowerShell knowledge.
Platform Services
A suite of wholesale and carrier-grade network services for global service providers, including phone numbers, SIP trunking, fax, toll-free, and E911, backed by the AI-powered NUSOflex for network reliability. It includes network tools and support designed for service providers who need to build communications offerings on top of the NUSO infrastructure. The platform covers calling, messaging, and voice integrations for providers serving their own business customers.
SIP Trunking
A service that connects legacy premise-based phone systems to modern phone features and the PSTN without requiring rip-and-replace of existing equipment, with reported savings of up to 70% compared to PRI/T1 lines. It includes built-in failover, cloud attendant and voicemail, fraud monitoring with AI-powered call risk scoring, and flexible calling plans covering local, long distance, and toll-free. Connectivity is available via public internet, private networks, or through NUSO partner carriers, and is backed by the AI-powered NUSOflex network.
Software Integrations / CRM Marketplace
A set of native CRM integrations available within NUSO UCaaS that connects communications workflows with over 200 CRM platforms including Salesforce, HubSpot, and Autotask. Features include click-to-call from within the CRM, configurable screen pops with caller information, embedded apps like Bubble365, and customizable if-this-then-that automations. Non-standard CRM integrations are also supported through flexible workflow configuration.
UCaaS
An all-in-one cloud-based unified communications platform combining hosted voice, mobility, messaging, presence, video conferencing, and collaboration tools accessible from any location with internet access. It supports HD voice, voicemail-to-email, auto-attendant and IVR, call queuing, mobile apps for iOS and Android, softphone support, browser-based video conferencing, and integrations with over 200 CRMs including Salesforce and HubSpot. The platform is designed to serve businesses of all sizes from SMBs to enterprise.
Zoom Cloud Peering
A certified direct cloud peering connection between NUSO and Zoom Phone that provides PSTN connectivity across North America and international regions without requiring third-party tools. It supports flexible integration with existing phone numbers and services and is natively compatible with the Zoom Phone application. Organizations benefit from NUSO's carrier-grade voice network and intelligent routing within the Zoom environment.
Zoom Powered by NUSO
A resale program that allows NUSO partners to sell Zoom Phone without becoming a Zoom partner directly, with NUSO handling deployment, support, and billing. Partners earn predictable recurring margin while offering customers carrier-grade voice and intelligent routing through the Zoom Phone platform. There is no complex onboarding required for partners to begin selling.
Considering NUSO?
Our team will work with you to determine if NUSO is the right fit for your organization. From research and assessment through procurement negotiation and ongoing vendor management — we handle the entire process at no cost to you.