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Top VoIP and network without security companies 2026: Lumen, AT&T

We rank VoIP and network companies using a variety of factors, including network resilience, integration maturity, AI capabilities, compliance support, geographic footprint, and customer satisfaction, to get you the perfect results for your company's needs.

410 companies ranked | Last updated: May 1, 2026

Which VoIP and network without security providers should buyers compare first?

Enterprise buyers should compare Lumen, AT&T, and Verizon and other ranked VoIP and network without security providers by fit, capability evidence, implementation risk, and procurement readiness. Palomarr ranks suppliers to help buyers move from a broad market scan to a practical shortlist.

To shortlist VoIP and network providers, consider your organization's size, budget, and specific communication needs. Top providers offer robust infrastructure and advanced features, while others excel in customer engagement or cost-effectiveness. Verify pricing, implementation, and integration capabilities to ensure a perfect fit.

  • Lumen AT&T and Verizon are ideal for large enterprises due to their extensive global networks, high reliability, and broad portfolios of voice and network services. Before shortlisting, verify their specific service level agreements for uptime and performance, as well as their integration capabilities with your existing enterprise applications.

  • Infobip and Broadvoice excel in providing comprehensive customer engagement platforms that integrate voice with other communication channels like SMS, email, and messaging apps. Assess the complexity of implementation and integration with your CRM and contact center solutions before making a decision.

  • Star Telecom Nextiva Granite and RapidScale offer tailored VoIP and network solutions that cater to the needs of SMBs and mid-market businesses. Confirm their pricing basis for your specific user count and feature requirements, and verify their implementation process and the level of ongoing support provided.

  • Windstream Enterprise (Uniti) is a strong contender for businesses looking for scalable, cloud-native VoIP and connectivity solutions at a competitive price point. Verify the specific features included in their lower-priced tiers and ensure they meet your essential communication needs.

How companies earn their ranking

Capability scores for VoIP and network solutions are primarily driven by network infrastructure, reliability, integration breadth, and compliance features. Vendors demonstrating robust global networks with high uptime SLAs, native integrations with leading CRM and collaboration platforms, and comprehensive compliance certifications earn higher capability scores.

Innovation scores are based on the adoption of AI-powered features such as agentic automation, sentiment analysis, and predictive workforce optimization. Companies investing heavily in these technologies and demonstrating tangible results in terms of efficiency gains and customer experience improvements receive higher innovation scores.Top-ranked VoIP and network companies typically exhibit a strong balance of reliability and innovation.

They maintain carrier-grade infrastructure while also pushing the boundaries of AI-driven automation and analytics. Vendors can improve their ranking by investing in both network resilience and cutting-edge AI capabilities, as well as by prioritizing seamless integration with the broader business technology ecosystem.

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Want the full picture? Palomarr Insights explores the VoIP and network without security space in depth and visualizes the companies based on metrics.
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Rankings

1
Best Overall Best Value
9.8 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.9 Innovation 9.7
2
Best for Enterprise
9.7 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.6 Innovation 9.8
3
9.6 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.7 Innovation 9.5
4
9.6 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.5 Innovation 9.7
5
Best for SMB Best for Mid-market
9.5 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.6 Innovation 9.4
6
9.4 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.3 Innovation 9.5
7
9.3 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.4 Innovation 9.2
8
9.3 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.2 Innovation 9.4
9
9.2 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.3 Innovation 9.1
10
9.1 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.0 Innovation 9.2

VoIP and Network without Security: Buyer's Guide

The modern enterprise relies on robust Voice over Internet Protocol (VoIP) and network solutions to facilitate seamless communication and drive operational intelligence. This category has evolved significantly, moving from traditional hardware-centric systems to sophisticated, software-defined ecosystems that integrate voice with video conferencing, instant messaging, and screen sharing. For procurement teams, selecting the right vendor means looking beyond basic call functionality to evaluate how a solution interacts with the underlying network fabric and supports advanced features like AI-driven automation. A strong VoIP and network infrastructure is critical for maintaining customer engagement, ensuring business continuity in hybrid work environments, and mitigating the substantial financial and reputational risks associated with communication failures. This guide helps you navigate the complexities of modern VoIP and network solutions to make an informed decision for your organization.

What matters in this category

Network infrastructure and reliability

VoIP's absolute dependency on network health means that a robust and reliable network infrastructure is paramount. High uptime, low latency, and sufficient bandwidth ensure clear call quality and uninterrupted communication, directly impacting productivity and customer satisfaction. Inadequate network infrastructure can lead to dropped calls, poor audio, and significant downtime, resulting in lost revenue and reputational damage.

Evaluate vendors based on their network's global reach, fiber optic backbone, and guaranteed Service Level Agreements (SLAs) for uptime. Inquire about their redundancy measures, disaster recovery protocols, and how they manage network congestion. Look for providers with a proven track record of stability and performance, especially in your key operational regions.

Integration breadth and ecosystem compatibility

Modern VoIP solutions are not standalone systems; they are integral components of a broader enterprise technology ecosystem. Seamless integration with CRM, ERP, and collaboration platforms (like Microsoft Teams or Salesforce) enhances workflow efficiency, centralizes data, and provides a unified communication experience. Poor integration can create data silos, manual processes, and hinder cross-functional collaboration.

Assess the vendor's native integration capabilities with your existing business applications. Look for open APIs and flexible integration options that allow for customization and future scalability. Request demonstrations of how their VoIP solution interacts with your critical business tools and inquire about their partnership ecosystem to ensure compatibility with a wide range of third-party applications.

Advanced communication and collaboration features

Beyond basic calling, leading VoIP and network solutions offer advanced features that enhance productivity and customer engagement. These include unified communications as a service (UCaaS) capabilities like video conferencing, instant messaging, screen sharing, and sophisticated call routing (e.g., IVR, auto-attendants). These features are crucial for supporting hybrid work models and delivering a consistent, high-quality communication experience.

Compare the breadth and depth of UCaaS features offered by each vendor. Evaluate the user experience of their softphones and mobile applications. Look for features that support your specific business needs, such as multi-level IVR for customer service or robust video conferencing for remote teams. Consider how these features contribute to a unified communication experience across all devices and locations.

Scalability and flexibility

As businesses grow and evolve, their communication needs change. A scalable VoIP and network solution can easily accommodate an increasing number of users, locations, and call volumes without requiring significant infrastructure overhauls. Flexibility allows organizations to adapt to new technologies and business models, such as expanding into new markets or adopting more remote work.

Inquire about the vendor's ability to scale services up or down based on your organizational growth or seasonal demands. Ask about their pricing models for adding users, features, or locations. Evaluate their cloud architecture to ensure it supports elastic scalability and inquire about their roadmap for future feature development and technological advancements.

Security and compliance

VoIP and network solutions handle sensitive voice data, making security and compliance critical. Protecting against threats like SIP spoofing, toll fraud, and data breaches is essential for maintaining data integrity and customer trust. Adherence to industry-specific regulations (e.g., HIPAA, GDPR, PCI DSS) is also vital to avoid legal penalties and reputational damage.

Examine the vendor's security protocols, including encryption for voice data, network intrusion detection, and identity management. Inquire about their compliance certifications and how they help organizations meet regulatory requirements. Ask about their incident response plans and how they protect against common VoIP vulnerabilities. Verify their data privacy policies and where data is stored and processed.

How to shortlist

Large enterprises requiring robust global network infrastructure and comprehensive communication services

Verify the specific service level agreements (SLAs) for uptime and performance, as well as their integration capabilities with your existing enterprise applications. Confirm their pricing structures for large-scale deployments and global coverage.

Businesses needing advanced customer engagement and omnichannel communication platforms

Assess the complexity of implementation and integration with your CRM and contact center solutions. Verify their pricing models for omnichannel usage and ensure the platform supports your specific customer interaction workflows.

SMBs and mid-market businesses seeking reliable and scalable VoIP solutions with strong support

Confirm their pricing basis for your specific user count and feature requirements. Verify their implementation process and the level of ongoing support provided. Assess their integration capabilities with common SMB and mid-market business tools.

Organizations prioritizing cost-effective cloud-native VoIP and network solutions

Verify the specific features included in their lower-priced tiers and ensure they meet your essential communication needs. Assess their network coverage in your operational areas and confirm their support quality for cloud-based services.

Meet the leaders

Discover what makes each company unique. Use filters to narrow by your needs, or Find your perfect match to get personalized rankings tailored to your exact requirements.

I

97% match

Website

A contact center with collaboration features goes beyond just basic communication channels. It equips agents with tools to work together seamlessly.

This can involve features like real-time chat with colleagues, easy access to shared knowledge bases, and even the ability to consult with supervisors during a call. By fostering teamwork, these contact centers aim to improve agent efficiency, resolve customer issues faster, and ultimately provide a better overall customer experience.

Learn more

Key differentiators

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Capabilities

8.6

Innovation

9.1

Easy support

Easy ease of implementation

Low cost $

Why it’s ranked

Lumen's advanced fiber network and dedicated internet access provide reliable VoIP services, making it ideal for enterprises needing high-performance connectivity.

Pricing posture

Premium pricing level with a mid-range cost tier.

Implementation/integration fit

Easy implementation for large enterprises and SMBs, focusing on secure and reliable connectivity.

What to verify

Verify pricing basis, service scope, and integration requirements.

I

97% match

Website

A contact center with collaboration features goes beyond just basic communication channels. It equips agents with tools to work together seamlessly.

This can involve features like real-time chat with colleagues, easy access to shared knowledge bases, and even the ability to consult with supervisors during a call. By fostering teamwork, these contact centers aim to improve agent efficiency, resolve customer issues faster, and ultimately provide a better overall customer experience.

Learn more

Key differentiators

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Capabilities

8.6

Innovation

9.1

Easy support

Easy ease of implementation

Low cost $

Why it’s ranked

AT&T's strong VoIP capabilities and reliable internet services make it a top choice for enterprises seeking seamless communication solutions.

Pricing posture

Premium pricing level with a mid-range cost tier.

Implementation/integration fit

Easy implementation suitable for large enterprises and SMBs, with strong support quality.

What to verify

Verify pricing basis, integration requirements, and service scope.

I

97% match

Website

A contact center with collaboration features goes beyond just basic communication channels. It equips agents with tools to work together seamlessly.

This can involve features like real-time chat with colleagues, easy access to shared knowledge bases, and even the ability to consult with supervisors during a call. By fostering teamwork, these contact centers aim to improve agent efficiency, resolve customer issues faster, and ultimately provide a better overall customer experience.

Learn more

Key differentiators

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Capabilities

8.6

Innovation

9.1

Easy support

Easy ease of implementation

Low cost $

Why it’s ranked

Verizon ranks highly due to its premium VoIP solutions and reliable internet connectivity, ensuring high call quality and operational efficiency for enterprises.

Pricing posture

Premium pricing level with a mid-range cost tier.

Implementation/integration fit

Easy implementation for large enterprises and SMBs, leveraging robust network capabilities.

What to verify

Verify pricing basis, service scope, and integration requirements.

I

97% match

Website

A contact center with collaboration features goes beyond just basic communication channels. It equips agents with tools to work together seamlessly.

This can involve features like real-time chat with colleagues, easy access to shared knowledge bases, and even the ability to consult with supervisors during a call. By fostering teamwork, these contact centers aim to improve agent efficiency, resolve customer issues faster, and ultimately provide a better overall customer experience.

Learn more

Key differentiators

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Capabilities

8.6

Innovation

9.1

Easy support

Easy ease of implementation

Low cost $

Why it’s ranked

Infobip's comprehensive customer engagement platform integrates voice and messaging, making it suitable for enterprises needing versatile communication solutions.

Pricing posture

Moderate pricing level with a mid-range cost tier.

Implementation/integration fit

Complex implementation for large enterprises, focusing on omnichannel capabilities.

What to verify

Verify pricing basis, integration requirements, and service scope.

I

97% match

Website

A contact center with collaboration features goes beyond just basic communication channels. It equips agents with tools to work together seamlessly.

This can involve features like real-time chat with colleagues, easy access to shared knowledge bases, and even the ability to consult with supervisors during a call. By fostering teamwork, these contact centers aim to improve agent efficiency, resolve customer issues faster, and ultimately provide a better overall customer experience.

Learn more

Key differentiators

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Capabilities

8.6

Innovation

9.1

Easy support

Easy ease of implementation

Low cost $

Why it’s ranked

Star Telecom specializes in SIP trunking and cloud migration, providing reliable VoIP solutions for SMBs and mid-market businesses seeking enhanced connectivity.

Pricing posture

Moderate pricing level with a mid-range cost tier.

Implementation/integration fit

Moderate implementation fit for medium-sized businesses, focusing on customer satisfaction.

What to verify

Verify pricing basis, integration requirements, and service scope.

I

97% match

Website

A contact center with collaboration features goes beyond just basic communication channels. It equips agents with tools to work together seamlessly.

This can involve features like real-time chat with colleagues, easy access to shared knowledge bases, and even the ability to consult with supervisors during a call. By fostering teamwork, these contact centers aim to improve agent efficiency, resolve customer issues faster, and ultimately provide a better overall customer experience.

Learn more

Key differentiators

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Capabilities

8.6

Innovation

9.1

Easy support

Easy ease of implementation

Low cost $

Why it’s ranked

Broadvoice offers an omnichannel contact center solution that simplifies VoIP integration for mid-market businesses, enhancing customer interactions across multiple channels.

Pricing posture

Moderate pricing level with a mid-range cost tier.

Implementation/integration fit

Complex implementation suited for mid-market and enterprise customers, focusing on customer experience.

What to verify

Verify pricing basis, integration requirements, and service scope.

I

97% match

Website

A contact center with collaboration features goes beyond just basic communication channels. It equips agents with tools to work together seamlessly.

This can involve features like real-time chat with colleagues, easy access to shared knowledge bases, and even the ability to consult with supervisors during a call. By fostering teamwork, these contact centers aim to improve agent efficiency, resolve customer issues faster, and ultimately provide a better overall customer experience.

Learn more

Key differentiators

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Capabilities

8.6

Innovation

9.1

Easy support

Easy ease of implementation

Low cost $

Why it’s ranked

Nextiva excels with its unified customer experience platform, enhancing VoIP capabilities and supporting diverse communication channels for SMBs and mid-market businesses.

Pricing posture

Moderate pricing level with a mid-range cost tier.

Implementation/integration fit

Complex implementation suited for medium-sized businesses, emphasizing customer experience.

What to verify

Verify pricing basis, integration requirements, and service scope.

I

97% match

Website

A contact center with collaboration features goes beyond just basic communication channels. It equips agents with tools to work together seamlessly.

This can involve features like real-time chat with colleagues, easy access to shared knowledge bases, and even the ability to consult with supervisors during a call. By fostering teamwork, these contact centers aim to improve agent efficiency, resolve customer issues faster, and ultimately provide a better overall customer experience.

Learn more

Key differentiators

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Capabilities

8.6

Innovation

9.1

Easy support

Easy ease of implementation

Low cost $

Why it’s ranked

Windstream Enterprise provides scalable cloud-native solutions for VoIP and connectivity, making it a cost-effective choice for SMBs and mid-market businesses.

Pricing posture

Low pricing level with a mid-range cost tier.

Implementation/integration fit

Moderate implementation fit for large enterprises and SMBs, emphasizing reliable connectivity.

What to verify

Verify pricing basis, service scope, and integration requirements.

I

97% match

Website

A contact center with collaboration features goes beyond just basic communication channels. It equips agents with tools to work together seamlessly.

This can involve features like real-time chat with colleagues, easy access to shared knowledge bases, and even the ability to consult with supervisors during a call. By fostering teamwork, these contact centers aim to improve agent efficiency, resolve customer issues faster, and ultimately provide a better overall customer experience.

Learn more

Key differentiators

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Capabilities

8.6

Innovation

9.1

Easy support

Easy ease of implementation

Low cost $

Why it’s ranked

Granite's managed internet and voice services provide tailored solutions for SMBs and mid-market businesses, ensuring reliable communication and connectivity.

Pricing posture

Moderate pricing level with a mid-range cost tier.

Implementation/integration fit

Moderate implementation fit for medium-sized businesses, focusing on customer support.

What to verify

Verify pricing basis, service scope, and integration requirements.

I

97% match

Website

A contact center with collaboration features goes beyond just basic communication channels. It equips agents with tools to work together seamlessly.

This can involve features like real-time chat with colleagues, easy access to shared knowledge bases, and even the ability to consult with supervisors during a call. By fostering teamwork, these contact centers aim to improve agent efficiency, resolve customer issues faster, and ultimately provide a better overall customer experience.

Learn more

Key differentiators

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Capabilities

8.6

Innovation

9.1

Easy support

Easy ease of implementation

Low cost $

Why it’s ranked

RapidScale's managed cloud services enhance VoIP capabilities for SMBs and enterprises, focusing on secure and scalable communication solutions.

Pricing posture

Moderate pricing level with a mid-range cost tier.

Implementation/integration fit

Moderate implementation fit for medium-sized businesses, emphasizing cloud integration.

What to verify

Verify pricing basis, service scope, and integration requirements.

How Palomarr ranks VoIP and network without security companies

Palomarr's ranking for VoIP and Network without Security solutions is based on a comprehensive evaluation of 410 companies, with the top 10 presented here. Our methodology assesses both Capability and Innovation scores, reflecting a vendor's current performance and future potential. Capability scores are driven by factors such as network infrastructure, reliability, integration breadth, and compliance features, while Innovation scores consider the adoption of AI-powered features like agentic automation and sentiment analysis. This ranking provides a snapshot of market leaders, but individual buyer needs may vary. We recommend using this as a starting point for your research, always verifying specific features, pricing, and support directly with vendors to ensure alignment with your unique business requirements.

Common buyer questions

What is VoIP and why is it important for businesses?

VoIP (Voice over Internet Protocol) is a technology that allows you to make and receive phone calls over an internet connection instead of traditional phone lines. It's crucial for businesses because it offers cost savings, scalability, advanced features like video conferencing and instant messaging, and supports flexible work environments. Modern VoIP systems are integral to unified communications, enhancing collaboration and customer engagement.

How do I choose the right VoIP and network provider for my business?

Choosing the right provider involves assessing your specific needs. Consider your company size, budget, required features (e.g., advanced call routing, video conferencing, CRM integration), and desired level of support. Evaluate vendors based on their network reliability, scalability, security measures, and their ability to integrate with your existing business applications. Always verify pricing and implementation details directly with potential providers.

What are the key differences between traditional phone systems and modern VoIP solutions?

Traditional phone systems (PSTN/PBX) rely on physical copper lines and hardware, making them less flexible and more expensive to maintain and scale. Modern VoIP solutions, in contrast, use internet connections and cloud-based software, offering greater flexibility, advanced features, lower costs, and easier scalability. VoIP also enables unified communications, integrating voice with other digital communication channels.

What role does AI play in modern VoIP and network solutions?

AI is increasingly transforming VoIP and network solutions by enabling features like agentic automation, sentiment analysis, and predictive workforce optimization. AI-powered tools can enhance customer service through intelligent routing and chatbots, improve operational efficiency by automating routine tasks, and provide valuable insights into communication patterns and customer interactions. Future solutions will leverage 'Cognition AI' for more contextual and intelligent interactions.

What should I look for in terms of security and compliance for VoIP services?

For security, look for providers that offer robust encryption for voice data, network intrusion detection, and strong identity management. In terms of compliance, ensure the vendor adheres to relevant industry regulations such as HIPAA, GDPR, or PCI DSS, depending on your business sector. Verify their data privacy policies, incident response plans, and how they protect against common VoIP vulnerabilities like SIP spoofing and toll fraud.

See how VoIP and network without security suppliers stack up

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Capabilities Innovation

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