The article provides a snapshot of the vendors featured in our Cloud Voice Marketplace.
Cloud voice providers have transformed the way companies access and manage business communications. By 2033, the cloud telephony services market is expected to reach a value of $57.6 billion, growing at a rate of 9.7% CAGR.
Trends like the shift to hybrid and remote work and the growing need for business agility and scalability has driven companies to rapidly shift their ecosystems into the cloud. With the PSTN switch-off just around the corner, the pressure to transition to the cloud is greater than ever.
The question is, which cloud voice providers can you trust to make your digital transformation strategy as simple as possible? Using our extensive knowledge of the cloud communications industry, we created this list of the top cloud voice providers for 2024.
- AT&T
- BT
- Nuwave
- Verizon
- Pure IP
- Gamma
- CallTower
- NTT
- Deutsche Telekom
- Orange Business Services
- Tata Communications
- IntelePeer
- DSTNY
- Sinch
- Telefónica Global Solutions
- Telstra International
- Vodafone Business
- Bandwidth
- AWS (Amazon Web Services)
- Ericsson
AT&T
Leading telecommunications company AT&T is a well-known cloud voice provider offering various services to companies ready to migrate to the cloud. From AT&T Cloud Voice for contact centers to Cloud Voice for Microsoft Teams, there’s something for every communication need. AT&T offers SIP trunking technologies, API access, and VoIP services.
The company’s business-focused solutions also provide organizations with migration options for traditional phone lines and toll-free calling solutions. Businesses can also access a range of AT&T-powered mobile telephony solutions. Plus, the company partnered with Cisco Webex to create the “Webex Go” solution for smartphone and UC integration.
BT
BT offers various consumer and business-focused telecommunication products. As one of the top global cloud voice providers, it offers access to SIP solutions and the comprehensive BT Cloud Voice service, aligned with Cisco Webex. Solutions include automatic call routing, call transfers, centralized communication management, and customizable setup options.
Companies can access various packages with solutions that combine voice and video conferencing, provide access to comprehensive direct call director capabilities, and more. Plus, BT Cloud Voice includes dedicated 24/7 support and a reliable network, named by Gartner as one of the leading voice networks for companies in the UK.
Nuwave
Offering a variety of services for business leaders worldwide, Nuwave is one of the partner cloud voice service providers for Microsoft Teams, Cisco Webex, and Zoom. It offers cloud solutions to customers, carriers, operators, and service providers. The iPILOT ecosystem even offers scalable global communications on a carrier-agnostic basis.
With SIP trunking technology that combines leading security features with global availability, and the NUOffice UCaaS solution, Nuwave addresses various business needs. The company also offers access to global toll-free numbers and Nuwave Synthesis for robust integrations between multiple communication platforms within a single all-in-one platform.
Verizon
Supporting companies and service providers worldwide, Verizon is a cloud voice vendor offering unlimited nationwide calling with 45+ call management features. The company has its own dedicated cloud-based business phone system, featuring auto attendant capabilities, hunt groups, mobile app solutions, and even visual voicemail.
The One Talk mobile-first solution delivers a comprehensive UC experience, and Verizon also offers calling capabilities for Webex and Microsoft Teams. Additionally, the company has an extensive 5G Edge offering, ideal for remote and field-based workers. All of Verizon’s services are protected with enterprise-grade security and compliance features. Verizon also sells its own range of VoIP devices.
Pure IP
Operating on a global level, Pure IP provides access to cloud-based enterprise-level voice. The organization delivers solutions for remote working, Microsoft Teams, PSTN replacement and more. Plus, it offers integration options for connecting distributed technologies. Pure IP also has the SeRVE solution which allows companies to consolidate voice services into a single network.
As one of the leading cloud voice providers, Pure IP also delivers various add-on services, allowing companies to access PBX auditing, geographic extendibility, number management, and Teams device management. The BCM One company promises comprehensive end-to-end security and reliability for all cloud capabilities.
Gamma
Full-service communications vendor Gamma, offers a range of tools to businesses, including comprehensive unified communications and contact center systems in the cloud. The company specializes in everything from mobility solutions to IP migrations, remote working solutions, and connectivity. Plus, it offers dedicated solutions for healthcare, government, and education teams.
Horizon’s cloud voice services come with extensive 360-degree voice management and a host of business features for boosted productivity and efficiency. Plus, there’s end-to-end security on all services for peace of mind. Users can also leverage Gamma’s Horizon offering as a solution for voice-enabling Microsoft Teams.
CallTower
Offering numerous contact center, collaboration, and communications solutions, CallTower addresses the cloud voice needs of countless global companies. The brand provides international coverage and customizable communication services. Plus, there are dedicated solutions for Microsoft Teams, Zoom, and Cisco Webex. Multi-channel call recording is also available.
CallTower’s ecosystem extends across 60 countries with 16 geo-redundant data centers, and the company even has its own portfolio of cloud services, known as CT Cloud Solutions. CallTower also offers a range of SIP trunks, SIP DID packages, and a CT Cloud Unite system, which allows users to combine multiple communication tools into a single ecosystem
NTT Global Networks
Specializing in UCaaS, SDWAN, and voice connectivity, NTT Global Networks addresses countless enterprise needs. The company’s cloud communications division delivers network consulting services, access to a global IP network, and even private 5G. Moreover, companies can access dedicated Microsoft Teams Direct Routing and Operator Connect solutions.
NTT customers can integrate their on-premises or PBX solutions with cloud tools or create an entirely new ecosystem. NTT offers call plans across 39 countries, with data centers around the globe. Plus, NTT promises a highly resilient wholly-owned network with ultra-fast connectivity speeds and built-in tools for security.
Deutsche Telekom
With more than 10 million customers already leveraging Deutsche Telekom’s NIMS IP solution, the company has become a significant contender in the realm of cloud voice providers. The NIMS offering empowers companies to rapidly migrate to the cloud with virtualized network function and a comprehensive system for allocating voice capabilities.
Deutsche Telekom holds numerous partnerships with companies like Microsoft and RingCentral and has its own dedicated mobile solutions. Plus, the organization offers a variety of SIP configuration and trunking options for businesses shifting into the cloud environment.
Orange Business Services
With Orange Business Talk, companies around the globe can access software-defined solutions to enhance digital customer journeys and collaboration. The cloud voice services come with a comprehensive voice portal for self-service management, in-depth access control and security options, quality assurance, and routing.
The company’s cloud ecosystem reaches 136 countries and territories, with API support for extensibility, and comprehensive SBC security. Orange Business Services also supports direct routing and operator connect capabilities for Microsoft Teams and offers SIP trunking services for both mobile and desktop devices.
→ Explore Orange Business Services
Tata Communications
As a digital ecosystem enabler, Tata Communications gives companies numerous ways to access the cloud to serve customers and improve collaboration. The organization delivers various VoIP and SIP solutions, with a robust global network and partnerships with Tier 1 carriers. There are BYOC solutions for existing platforms and end-to-end UCaaS managed services on offer too.
Tata Communications offers the GlobalRapide UCaaS solution with SIP connectivity and integrated fraud protection. It also provides step-by-step guidance to companies, with a comprehensive customer service team to help with migration, deployment, and management. Companies can also connect their UCaaS technology with CPaaS and CCaaS solutions.
IntelePeer
Privately held communications company IntelePeer distributes a range of customer communications automation technologies, AI solutions, and communication systems. Companies can leverage CPaaS solutions and APIs to build cloud voice capabilities into existing applications and tools. There are Smart Agent and Smart Engage tools for generative AI access.
Plus, IntelePeer offers a range of tools for intelligent analytics, queuing, routing, and office management. The company also offers managed solutions and specialist systems for industries like education, healthcare, financial services, and retail. Plus, there are options to connect the company’s solutions to Cisco Webex and Microsoft Teams.
DSTNY
One of the top mobile-first cloud voice providers, Dstny serves both service providers and local businesses with their intelligent solutions. The company’s flexible ecosystem prioritizes ease of use and offers support for desk phones, softphones, and more. There’s also the ConnectMe web-based platform for voice management and provisioning.
Available worldwide, Dstny’s cloud voice offering can integrate with other communication channels like video and chat. Plus, service packages can be customized to suit specific business needs. For service providers, Dstny also offers an Operator Connect accelerator service, for voice-enabling Microsoft Teams.
Sinch
Focusing primarily on mobile communications, Sinch offers solutions for everything from SMS messaging and voice, to video and verification APIs. The Sinch IP network offers 94% population coverage, with toll-free numbers, voice termination, and STIR/SHAKEN capabilities. The company also has an intuitive web portal for number management.
With Sinch, companies can access exceptional scale, with a powerful global network and adaptable connection options. Sinch also allows companies to leverage contact center solutions and dedicated systems for Microsoft Teams. The company is also a Meta partner and a leader in intelligent authentication solutions.
Telefónica Global Solutions
Committed to connecting people and companies worldwide, Telefónica Global Solutions serves 1,500 global customers with a comprehensive cloud voice solution. The company offers services for multinational, wholesale, and enterprise companies, with enhanced internet technology and end-to-end support for business leaders.
Companies can leverage mobility licenses, collaboration packages, and web portal management tools with Telefónica. Plus, the company has its own online hub where organizations can seamlessly track call quality and conversational metrics. The company also provides access to managed cloud services and virtual data centers.
→ Explore Telefónica Global Solutions
Telstra International
Offering voice and mobility solutions, Telstra is one of the better-known cloud voice providers in the United Kingdom. The company delivers access to cloud calling services with flexible auto attendants, phone numbers, and voice lines. It’s also possible to connect the company’s cloud calling capabilities to tools like Microsoft Teams and Cisco Webex.
The company’s cloud solutions can also be enhanced with a unified communications pack add-on, as well as various advanced features like auto attendant and virtual numbers. There are mobile data roaming and voice hubbing solutions, as well as wholesale voice options. Telstra also benefits from a comprehensive subsea cable network.
Vodafone Business
With solutions for small, large, and public sector businesses, Vodafone Business supports both inbound and outbound calling, as well as mobile and connectivity options. The company’s cloud voice services include support for contact center solutions and device lifecycle management. Vodafone also has a comprehensive 5G network for mobile-focused companies.
Vodafone also offers UC solutions and the One Net Anywhere offering, which gives companies a virtual landline they can access anywhere. Additionally, the cloud system supports video conferencing services for collaboration and comes with analytical and reporting tools for insights into call quality and performance metrics.
Bandwidth
Bandwidth’s global cloud communications solution provides companies with comprehensive control over their telephony and migration strategies. The company provides elastic SIP trunking services with integrated E911 support and usage-based pricing. Plus, companies can take advantage of pre-built voice AI connections for UC and the contact center.
There are APIs for leveraging text messaging and cloud telephony within your existing applications and workflows. Plus, the solutions offered by Bandwidth can be integrated into existing platforms from Microsoft, RingCentral, and Genesys. Bandwidth’s cloud solutions also reach more than 93% of the global economy, with support for 38+ countries for PSTN replacement.
AWS
With voice authentication solutions, and tools for embedding voice into the Salesforce platform, AWS serves a range of business needs. The company offers Amazon Connect for contact center cloud voice, as well as Amazon Chime for video conferencing and collaboration. AWS cloud voice services feature global extensibility, drag-and-drop workflow designers, and access to AI chatbots.
Companies can create omnichannel inbound and outbound campaigns, access tools for insights into agent productivity, and leverage mobile connectivity alongside cloud voice. AWS also promises an extensive global network for scalability, built-in enterprise-grade security, and a pay-as-you-go pricing model for affordability.
Ericsson
Ericsson’s Cloud Core solution is a portfolio of products, solutions, and services for cloud connectivity, voice, video, and web communications. The company’s solution provides access to on-premise cloud infrastructure solutions, as well as 5G connectivity for mobile businesses. Plus, there are managed network services for specific businesses.
Companies can access cloud consulting services, digital transformation support, solutions for network optimization and planning, and extensive orchestration tools. Plus, Ericsson works with a range of service partners to assist in migrating companies to the cloud. There’s even the Cloud IMS system for VoLTE and 5G voice, enriched messaging, and Wi-Fi calling.
