What should I check before buying a VoIP phone system?

Updated

Understanding What You're Buying

Choosing a VoIP (Voice over Internet Protocol) phone system means selecting a technology that uses your internet connection to make and receive calls, instead of traditional phone lines. For a small or mid-sized business, this can offer flexibility, cost savings, and integration with other digital tools. However, not all VoIP systems are created equal, and making the wrong choice can lead to issues like dropped calls, poor sound quality, or security vulnerabilities.

Why This Matters for US SMBs

Downtime or poor call quality can directly impact your staff's productivity and your customers' experience. If your phone system goes down or calls are unreliable, customers may lose trust or turn to competitors. Moreover, VoIP systems handle sensitive customer and business information, so cybersecurity is a critical concern. For businesses subject to compliance standards like HIPAA (healthcare), PCI DSS (payment processing), or SOC 2 (data security), the phone system must support proper data protection and audit readiness.

A Real-World Example

Consider a 50-person accounting firm in Texas that switched to a low-cost VoIP provider without checking security or reliability. They experienced frequent call drops during tax season, frustrating clients and delaying important conversations. Worse, their system lacked multi-factor authentication and proper access controls, leading to a data breach attempt. After partnering with a managed IT provider, they upgraded to a VoIP system with guaranteed uptime SLAs, encrypted calls, and compliance-ready security features, restoring client trust and operational stability.

Checklist: What to Check Before Buying

  • Call Quality and Reliability: Ask about uptime guarantees (SLAs), jitter, latency, and packet loss metrics. Request references or reviews from similar-sized businesses.
  • Security Features: Verify support for encryption (SIP TLS, SRTP), multi-factor authentication (MFA), and role-based access controls. Confirm how the provider handles software updates and patches.
  • Compliance Support: If your business handles regulated data, ensure the system supports necessary audit logs, call recording controls, and data retention policies aligned with standards like HIPAA or PCI DSS.
  • Integration and Scalability: Check compatibility with your existing CRM, helpdesk, or collaboration tools. Confirm how easily you can add or remove users as your business changes.
  • Disaster Recovery and Backup: Understand how call data and configurations are backed up and how quickly service can be restored after an outage.
  • Cost Transparency: Compare setup fees, monthly charges, per-user costs, and any fees for additional features or support.
  • Support and Training: Confirm availability of technical support (hours, channels), onboarding assistance, and user training resources.
  • Network Readiness: Evaluate your current internet bandwidth and internal network to ensure they can handle VoIP traffic without degradation.

Next Steps

Before committing to a VoIP phone system, talk with a trusted managed IT provider or IT advisor who understands your industry and compliance requirements. They can help assess your current infrastructure, recommend solutions that fit your business needs, and assist with secure deployment and ongoing management. This approach reduces risk, improves employee productivity, and helps maintain customer trust.

Tools & software for this topic

Not ready to change IT providers yet? These buying guides walk through tools your team can use to improve things on your own.

We may earn a small commission if you sign up with any of these tools and services, at no extra cost to you. We only feature tools that are appropriate for American businesses like yours.

Tools you can try right away

These tools line up with the topics in this guide and are commonly used by small and mid-sized businesses.

8x8 X Series

Best for: Best for growing SMBs needing integrated voice, video, and chat in one platform

Reliable cloud phone system for clear calls and flexible work setups

8x8 X Series offers a cloud-based phone system combining voice, video, and messaging. It supports remote and in-office teams with features like call routing and analytics, helping businesses maintain communication reliability and reduce downtime.

Aircall

Best for: Best for growing teams needing easy call management and integration

Cloud-based phone system for flexible, scalable team communication

Aircall is a cloud-based VoIP phone system designed for small and mid-sized businesses. It offers easy setup, call routing, and integration with popular business tools, helping teams stay connected and productive without complex hardware.

CloudTalk

Best for: Best for growing teams needing customizable call routing and integrations

Streamline business calls with flexible cloud-based VoIP solutions

CloudTalk offers cloud-based VoIP services designed to help small and mid-sized businesses manage calls efficiently. It is often used for flexible call routing and integrating phone systems with CRM tools to improve customer communication.

Dialpad

Best for: Best for small to mid-sized teams needing integrated voice and messaging on multiple devices

Reliable cloud phone system for clear calls and easy team collaboration

Dialpad is a cloud-based VoIP phone system designed for small and mid-sized businesses. It offers voice, video, and messaging features with AI-powered call assistance, helping teams stay connected and productive across devices.

GoTo Connect

Best for: Best for small to mid-sized teams needing integrated voice and video calls with flexible user management

Reliable cloud phone system for streamlined team communication

GoTo Connect offers a cloud-based VoIP phone system designed for SMBs seeking reliable voice and video communication. It supports flexible call routing and integrates with common business tools, helping teams stay connected whether in-office or remote.

Grasshopper

Best for: Best for small businesses needing flexible phone presence without hardware

Simplifies business calling with virtual phone numbers and call management

Grasshopper offers virtual phone system services designed for small businesses and startups. It provides features like multiple extensions, call forwarding, and voicemail transcription to help teams stay connected without traditional phone hardware.

Need hands-on help?

If you’d rather have a provider handle this for you, here are firms that work on VoIP & Phone Systems in USA.

Top firms for VoIP & Phone Systems
Sewelltech
Dallas, Texas

Overview

Sewelltech is a managed IT services provider located in Dallas, Texas, specializing in support and repair services for Apple products. They focus on delivering reliable IT solutions to both private customers and businesses, ensuring their clients have the technology support they need to thrive. This IT services company stands out due to their dedicated approach to understanding client requirements and providing solutions that fit those needs.

This MSP emphasizes clear communication and thoroughness in their services. Their clients appreciate the consistent follow-up and willingness to explain technical details, which enhances trust and satisfaction. By offering efficient repair services and transparent interactions, Sewelltech helps clients resolve their technical issues quickly and effectively.

What clients say about this company

Clients frequently praise Sewelltech for their friendly and knowledgeable staff. Many have reported that the team is quick to respond and communicates updates throughout the repair process, which provides peace of mind. Customers feel valued and understood, enhancing their overall experience with this IT services provider.

Feedback often highlights the company's efficiency and thoroughness in addressing client needs. Clients appreciate the transparent service, especially when it comes to older devices that other providers may overlook. This dedication to helping clients, regardless of their situation, is a key aspect of what makes Sewelltech a trusted choice for IT services.

4.9★
Webcom IT Solutions
Orlando, Florida

Overview

Webcom IT Solutions is a managed IT services provider based in Orlando, Florida. They specialize in offering reliable IT services, focusing on data cabling, sound masking, and network solutions. This IT services company primarily serves businesses looking to enhance their communication infrastructure and maintain efficient operations.

This MSP is known for their approach to understanding client needs. They work closely with businesses to provide clear options and efficient solutions, ensuring minimal disruption. By emphasizing responsiveness and open communication, they build trust and long-lasting relationships with clients.

What clients say about this company

Clients appreciate the clarity and straightforwardness of Webcom's services. Many have noted how quickly the team assesses situations and proposes practical solutions without unnecessary complexity. Their dedication to transparent communication stands out as a hallmark of their service.

Feedback often highlights the professionalism and knowledge of the team, especially during project delivery. Clients express satisfaction in the timely completion of projects, noting that they feel supported and informed throughout the process. This strong client focus contributes to a positive reputation in their community.

5.0★
4BIS Cybersecurity & IT Services
Cincinnati, Ohio

Overview

4BIS Cybersecurity & IT Services, located in Cincinnati, Ohio, specializes in providing reliable managed IT services and cybersecurity solutions. This IT services company focuses on helping small and medium businesses protect their digital information while ensuring that their IT infrastructure runs smoothly. With experience in handling diverse IT needs, they cater to healthcare, finance, and other sectors where data security is critical.

This MSP offers a range of services including cybersecurity, network management, and phone system upgrades. Their commitment to proactive support and clear communication helps clients navigate complex IT challenges. By partnering with 4BIS, businesses can enhance their operational efficiency and safeguard their data, allowing them to focus on core activities without technology worries.

What clients say about this company

Clients have reported high levels of satisfaction with the professionalism and responsiveness of this managed IT services provider. They appreciate the team's ability to solve problems quickly and effectively, as well as their patience in guiding clients through solutions. This approach not only resolves issues but also builds trust and confidence.

Many businesses view 4BIS as a valuable extension of their operations, particularly for cybersecurity. Clients consistently highlight the company's proactive support and organizational efficiency, noting that 4BIS understands the unique needs of small businesses and works diligently to meet them with respect and professionalism.

5.0★
Louisville Geek
Louisville, Kentucky

Overview

Louisville Geek is a managed IT services provider located in Louisville, Kentucky. They focus on delivering reliable IT solutions to businesses of various sizes, helping them effectively manage their technology needs. Their typical clients range from small to medium-sized enterprises seeking assistance with IT support, network security, and cloud services.

This IT services company excels in providing personalized support tailored to each client's unique requirements. They pride themselves on their professionalism and commitment to customer satisfaction. By maintaining clear communication and a thorough follow-up process, they ensure that clients receive timely resolutions to their IT challenges.

What clients say about this company

Clients frequently highlight the respectful and considerate approach of this MSP. They appreciate the prompt follow-up on requests, which demonstrates the company's dedication to resolving issues efficiently. Customers often express gratitude for the kindness shown during interactions, making the IT experience much smoother.

4.9★
Advanced Business Solutions
Louisville, Kentucky

Overview

Advanced Business Solutions is a managed IT services provider based in Louisville, Kentucky. They specialize in delivering comprehensive IT solutions that contribute to improved business performance for their clients. This IT services company typically serves small to medium-sized businesses, focusing on enhancing their operational efficiency and security.

This MSP offers a wide range of services, including IT support and tech support, tailored to meet the needs of diverse industries. They emphasize reliable service delivery, ensuring that businesses experience minimal downtime and quick issue resolution. Their dedicated team is committed to providing responsive support, fostering a strong partnership with their clients.

What clients say about this company

Clients appreciate the exceptional customer service provided by Advanced Business Solutions. Many highlight how their team is attentive and proactive, checking in after resolving issues to ensure everything runs smoothly. This level of care contributes to a positive overall experience.

The reliability of this IT services company stands out in client feedback. Businesses express satisfaction with the quick response times and professional handling of technical issues. Many clients feel grateful for the consistent support, which allows them to focus on their core operations while relying on expert assistance when needed.

4.9★
TagleRock
McAllen, Texas

Overview

TagleRock is a managed IT services provider located in McAllen, Texas. They focus on delivering reliable and efficient technology solutions tailored to small and medium-sized businesses. With a commitment to transparency and organization, this IT services company effectively supports clients through various IT challenges.

This MSP specializes in network management, system upgrades, and IT support, ensuring that clients can operate smoothly without interruptions. They help businesses regain control over their systems with expert guidance and dedicated service, making technology a powerful ally in their growth.

What clients say about this company

Clients appreciate the knowledgeable and efficient approach TagleRock takes in managing their IT needs. Many highlight the team's transparency and honesty throughout projects, which builds trust and confidence during engagements.

Feedback often emphasizes the reliability of the services provided, as clients experience reduced downtime and improved system performance. This commitment to organization and efficiency has proven invaluable for businesses looking to upgrade their technology without hassle.

4.9★

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