Best Call Center Phone Systems 2025: US Business Guide

Our research has revealed that RingCentral provides the best call center phone system for US businesses in 2025. Its agile, customisable features, from AI analytics and skills-based routing to IVR automation and extensive integration options, should equip your call center with the necessary savviness to keep your customers happy.

RingCentral also has the cheapest call center-specific plan of any provider on this page, although you can find some better value VoIP phone system plans with GoTo in our view, due to the inclusion of unlimited calling minutes (something not available with RingCentral’s cheaper plans).

Whether either is the right phone system for your call center is a completely different question. Read on as we discuss each provider’s benefits and downsides compared to one another.

The Best Call Center IVR Phone System Providers

After extensive research and analysis, our researchers have rounded up the four best call center phone systems.

RingCentral

Best all-round system for call centers

As part of its range of VoIP-backed phone systems, RingCentral offers a comprehensive contact center solution to aid your business’s customer calling interactions.

Its RingCX and RingCentral Contact Center plans – the two calling options RingCentral recommends as its contact center solutions – combine voice, video, messaging, and omnichannel capabilities to provide a unified experience that stands out according to our US market analysis.

Why do we recommend RingCentral for US call centers?

Before we get into why RingCentral is our top call center package for US businesses, we think it’s important we explain the differences and similarities between its two call-centre related plans.

Both RingCentral’s RingCX and Contact Center plans are AI-first contact center solutions that combine voice, video, social media, email, and other channels into a user-friendly interface (surpassing the likes of 8×8 in channels offered). This omnichannel approach also offers capabilities like intelligent routing, real-time analytics, and workforce engagement management to help businesses deliver customised customer experiences.

As the table below highlights, the key difference lies in the number of digital channels you need to utilise and via what software architecture. Here’s a quick comparison of the two plans:

Pricing and feature details are based on available information as of April 2025. For the most current details, please visit RingCentral’s official website.

Offered as part of both the above plans, the smart routing features can be based on interaction type, team, agent skills, and other factors to direct customer calls efficiently. Agents can use features including call transfers, conferencing, hold options, interaction tagging, and an integrated address book for efficient contact management.

Supervisors can monitor and interact with agents in real time, too. They can view performance metrics, listen to live calls discreetly (monitoring), record interactions, provide in-call coaching (whisper), join calls when necessary (barge), and force agent logouts if required.

Teams and individual users can design scripts incorporating features like Automatic Speech Recognition (ASR), Interactive Voice Response (IVR) menus, and virtual agent bots. The simple drag-and-drop interface simplifies the creation of both basic and complex scripts, accommodating various organizational needs.

The platform offers real-time analytics and reporting tools to monitor performance and make data-driven decisions. For instance, you can employ interaction analysis across voice, chat, and email interactions to help identify trends and areas for improvement. Managers can analyse Key Performance Indicators (KPIs) of agents, accessible through intuitive dashboards. We’d argue the level of insight is more comprehensive compared to some competitors like GoTo, providing a clearer view of contact center operations.

With RingCentral offering over 400 pre-built integrations, including popular CRMs like Salesforce and HubSpot, it’s well-suited to slot in smoothly with your current workflows and avoid any issues in data consistency across platforms. While fairly extensive, 8×8 supports fewer integrations, which may limit flexibility for some businesses.

And perhaps most crucially of all, RingCentral offers the cheapest contact center-specific plan of the four providers on this page at $65 per agent, per month via the RingCX plan. While the exact pricing of some of the other provider plans is unclear, this is the lowest price according to our current knowledge.

Are there any drawbacks to RingCentral?

While RingCentral’s contact center solutions are robust, there are potential considerations to be had compared to other contact center calling system providers.

Firstly, and perhaps most pertinent for your operations, there’s no specific pricing for the RingCentral Contact Center plan. This is not readily available on their website, requiring potential customers to contact them for quotes. By comparison, GoTo provides upfront pricing for its most comprehensive contact center plan (although its worth noting all other providers besides GoTo on this page are equally opaque about their top plans, so RingCentral isn’t out of the ordinary in this sense).

Relatedly, these two plans’ extensive range of features, like the 400 pre-built integrations and advanced analytics, might be overkill for some operations, particularly smaller businesses. This complexity, and the potential for underutilised resources as a result, may mean less comprehensive but still capable RingCentral RingEX VoIP phone plans (which we’ll discuss shortly) are a better fit for both practicality and your business finances.

Does RingCentral have any other VoIP plans suited to call centers?

Yes, RingCentral offers various VoIP plans under the RingCentral RingEX plans, which can be suitable for call centers, especially those not requiring the full suite of contact center features. These plans are:

These plans differ from the contact center-specific solutions by focusing more on unified communications rather than specialised contact center features like omnichannel support. They are cost-effective alternatives for businesses that may not require the full functionality of a dedicated contact centre solution but still need robust communication tools to manage customer interactions effectively.

Vonage

Best for small call center teams

For contact centers, Vonage has two options for US businesses: Vonage Priority and Vonage Premium. Both have a wide range of communication channels so that you cover all bases with your customer base, though there are some important distinctions between the two (alongside Vonage’s other VoIP phone plans, which could act as a cheaper alternative).

Why do we recommend Vonage for US call centers?

Both Vonage Priority and Premium plans come with a comprehensive suite of features to support efficient customer communications, including omnichannel capabilities, via CRM integration, to let businesses communicate with customers across voice, email, and chat seamlessly.

Phone line operators will see screen pop-ups during calls, thereby helping agents deliver more personalised service by providing relevant customer information during interactions.

When calls come in, intelligent routing features, such as IVR, skills-based routing, and SLA optimization, help direct customers to the most suitable agents to solve their queries. Priority call handling and personal queues help businesses prioritise high-value clients efficiently, too.

While waiting for their call to be taken, customers are kept informed with announcements of their place in the queue so they have a clear expectation of wait times.

After calls are complete, advanced analytics, reporting, and dashboards can provide businesses with in-depth insights into performance, too. Businesses can also benefit from activating Vonage’s post-call quality ratings, which can provide essential feedback to improve customer satisfaction in the future.

How do the Vonage Priority and Premium Contact Center plans differ?

While these are all features both plans have in common, it’s worth quickly highlighting how the Vonage Priority and Premium Contact Center plans differ from one another:

Are there any potential drawbacks to Vonage?

While Vonage’s contact center solutions are robust, it’s worth stressing that Vonage states that its omnichannel capabilities are only supported through CRM integration. This might require additional configuration compared to providers offering native omnichannel support, like RingCentral. Equally, if you already have a comprehensive CRM system, this could be a benefit, but it’s something to be aware of.

Vonage also lacks RingCentral’s breadth of pre-built integrations or 8×8’s unlimited call minutes, which may limit scalability for larger enterprises. And, even though there isn’t much in it, Vonage also only offers a 95% to 99.8% uptime guarantee, unlike RingCentral’s 99.9% uptime promise.

And lastly, its Priority and Premium plans are custom-priced, which can make it harder for businesses to compare costs upfront. By contrast, GoTo offers its Contact Center plan at a (sometimes) transparent $72 per agent per month, providing clarity for businesses looking for all-in-one solutions– albeit, that fluctuates constantly. At the time of writing it has removed its pricing once again.

Does Vonage have any other VoIP plans suited to call centers?

Yes, Vonage offers Unified Communications plans under the Vonage Business Communications (VBC) suite, which can be suitable for call centers with less demanding needs.

Since you’re very likely to want CRM integrations to access customer information easily, we’d suggest that the Advanced plan will be the best suited to call centers of the bunch. In any case, below is a quick comparison of these VoIP plans:

8×8

Best for global call centers

8×8 provides a range of contact center solutions tailored for US businesses, focusing on delivering comprehensive features with an emphasis on unlimited calling options to 48 countries across the globe.

This included perk, combined with a more comprehensive system than GoTo (which has a similar 50+ countries included with its calling) makes 8×8 our pick for international call center operations wanting the best system going.

Why do we recommend 8×8 for US call centers?

While the latest pricing pages on the 8×8 website have no description of its exact plans, before 2025 (and still today on certain pages of its website if you scroll to the bottom), these were listed as being: X6, X7, and X8.

The biggest perk of these 8×8 packages, now simply titled Contact Center to the public, compared to the other providers on this page, is for international calling operations since 8×8 has unlimited calling to 48 countries with any of the listed plans. That’s better than all the other providers on this page, which either require paid add-ons or have custom rates for international calling.

We found its software to be simple to use, too, for the most part, with a calling interface that didn’t leave us confused or bound up in knots.

All plans also include essential features designed to improve customer experience and operational efficiency, such as intelligent routing via its auto-attendant/IVR system, real-time monitoring, and CRM integration with popular systems. In other words, you have all the essential tools for effective customer interactions.

Below is a comparison highlighting the key differences among these three plans, according to its business phone webpage (although, as previously mentioned, it’s not clear whether 8×8 is still using these plans given its pricing page now has no reference to them):

Plan details are based on available information as of April 2025. For the most current details, please contact 8×8.

Are there any drawbacks to 8×8?

A key issue with 8×8 is around the transparency of its pricing across any of its plans (including its other less extensive calling packages we discuss below). 8×8 doesn’t state the price of any plans, requiring you to get a custom quote for your business needs. And our research tells us that 8×8 tends to have higher prices than the three other providers on this page, although this could have changed since 8×8 last stated its pricing publicly.

This can make assessing the costs of your business compared to other systems more difficult, although since call center plans are generally custom-priced (due to being the most feature-rich of most providers), you can utilise our quote-finding tool to get answers for each provider quickly and easily.

Additionally, while 8×8 supports multiple communication channels and advanced analytics, its CRM integrations are fewer in number compared to RingCentral, which boasts over 400 integrations, including Salesforce and HubSpot. This may make 8×8 less appealing to businesses that rely heavily on diverse software ecosystems, though your mileage may vary depending on the tools you use, as 8×8 still caters to a decent variety of software.

Does 8×8 have any other VoIP plans suited to call centers?

Yes, 8×8 offers Unified Communications plans under the 8×8 Work package, which can also be suitable for call centers, especially those not requiring the full suite of contact center features. Previously titled as the X Series, these plans used to be listed as:

X2 plan: This plan includes unlimited calling to 14 countries, video conferencing, and team messaging, making it suitable for small to medium-sized businesses.

X4 plan: It expands unlimited calling to 48 countries and includes advanced call handling and analytics, catering to businesses with a global presence. Again, the X4 plan has custom pricing like all other 8×8 packages.

Today, these plans aren’t listed on its main pricing page, suggesting things might have changed in 2025. But given they are still discussed on its business phone page, we thought it was still worth highlighting here.

GoTo Connect

Best for value for money

GoTo offers cost-effective contact center solutions tailored for US businesses, focusing on affordability without compromising essential features.

The only provider on this page to publicly state the pricing for all of its plans, including its contact center-specific plan, we think it’s one of the best choices for monetary value overall. Even if you can get one of RingCentral’s contact center plans for a little less investment, in terms of the providers as a whole, it’s an appealing choice, no matter what plan you pick.

Why do we recommend GoTo Connect for US call centers?

GoTo Connect keeps it simple with just one plan relevant for call centers and is aptly titled Contact Center.

As you will expect from a contact center package, it supports multiple communication channels like the other providers on this page, including voice, email, chat, SMS, and social media, allowing businesses to engage with customers through their preferred mediums.

Features such as skills-based routing and auto queue callback should help customers be directed to the most appropriate agents (to improve first-call resolutions), and then reduce wait times in the long run.

All this valuable data integrates with popular CRM systems such as ServiceNow and Zendesk, so your agents can access customer information effortlessly and provide personalized service. Granted, this extent doesn’t match RingCentral and 8×8, but it’s around par with Vonage.

When compared in terms of value for money, our research tells us that we believe GoTo might be your best bet on this page. At around $72 per user, per month, it’s the only provider on this page to have its highest-priced and most feature-rich plan to have publicly priced, which is transparency we value highly. And you get unlimited international calling to over 50 countries, no matter what plan you pick, bettering all other options purely in terms of the number of countries you can call without an extra charge.

Add in that its Phone System and Connect CX plans are also competitively priced according to our research, and we reckon GoTo is an attractive option for small to medium-sized businesses seeking comprehensive contact center capabilities without significant financial investment (particularly compared to RingCentral and 8×8).

Like RingCentral, GoTo highlights the inclusion of AI-driven tools such as call summaries, chat analysis, and sentiment detection to help improve agent productivity and provide valuable insights into customer interactions (and that’s majorly helpful if you’ve made hundreds of calls that week and can’t quite remember what was said in a particular one).

Relatedly, GoTo offers detailed analytics and reporting capabilities to monitor individual agents’ performance metrics, as well as understand customer trends, and use that information to adapt your approach accordingly.

Are there any drawbacks to GoTo Connect?

GoTo’s Contact Center plan is competitively priced at around $72 per agent per month, offering excellent value for businesses seeking affordability. However, compared to RingCentral, which includes over 30 digital channels in its Contact Center plan, GoTo’s omnichannel capabilities are slightly less comprehensive.

Additionally, while GoTo integrates with CRM systems like ServiceNow and Zendesk, it lacks the extensive integration library of RingCentral, which may impact businesses with diverse software needs. 8×8’s unlimited call minutes across different countries is also a distinct advantage for organisations with high outbound calling demands, an area where GoTo does not match.

Does GoTo Connect have any other VoIP plans suited to call centers?

Yes, GoTo offers additional plans under the GoTo Connect suite, which can be suitable for call centers, especially those not requiring the full suite of contact center features. These plans include:

Phone System plan: Costing around $25 per user/month, this plan includes essential communication tools such as voice calls, video conferencing, and team messaging, making it suitable for small to medium-sized businesses.

Connect CX plan: Priced at approximately $32 per user/month, it adds features like omnichannel communication, shared inbox, and enhanced reporting and analytics, catering to businesses with more advanced customer interaction needs.

All prices discussed here are estimates based on the CAD pricing, as at the time of writing this page, GoTo has made its pricing private again. It has routinely switched between making this public and private over the past six months though, so this may have changed if you visit its pricing page today.

What are the benefits of a call center phone system?

• Keeps your customers happy – When customers give your business a call, they expect their query to be handled quickly and seamlessly. A powerful IVR phone system that can assign the right calls to the right agents will ensure your customers can hang up – rather than slam down – the phone, feeling satisfied with your service.
• Boosts efficiency – Whether you’re running a small or big business, your call center is likely to experience a large number of inbound calls. Therefore, streamlining your service is key. IVR systems allow you to track all call activity in a single place, making it simple to understand where you’re faltering in customer service. Did you know that IVR phone systems can help reduce telephony-related costs by 30%?
• Scale up your business – The perfect fertiliser for growing your business is slashing costs and planting an infrastructure that’ll make your agents as productive as they can be. Call center phone systems can do just that. They can also help you collect data to understand how your product is performing, and where it needs improvement. In fact, call center phone systems can reduce your IT costs by up to 14%.

What do call centers need from a phone system?

Compared to other areas of your business, your call center has a specific and unique set of needs. With so many features and systems available, you may be overwhelmed with what exactly you need to choose the right system.

We’ve done the research for you and noted the key features phone systems for call centers should have:

• Call routing – this will help callers be put through quickly and efficiently to the right person. There’s nothing worse than being put on hold for a long period or being bounced around to different departments before you eventually find the right person. Efficient call routing will reduce this from happening.
• Call recording – an important feature as it helps to protect both your business and the caller if a dispute is raised. Call recording is legal in the US in this scenario as it is done to ensure a business is complying with regulatory procedures.
• Integrated CRM – an integrated CRM system will help keep all of your calls and records unified. It makes it easier for your employees to access necessary information quickly, providing callers with a more efficient experience and ensuring fewer mistakes are made. If you already have a CRM system, then look for a phone system that integrates easily.
• Training mode – this will ensure your agents avoid mistakes that could lead to bigger issues and provide agents with more confidence when dealing with real calls.

What hardware do I need for a call center?

To provide a high-quality customer experience, each of your agents will need reliable hardware, including a computer, headset, and a high-speed internet connection. On the software side, you’ll need a business phone system, customer relationship management (CRM) software, and workforce management tools.

Here is why you need them:

Hardware equipment ($1000+ per workstation)

• Computer – to access your call center software and other tools.
• Headset (headphones and microphone set) – having a comfortable and reliable headset with a noise-cancelling feature will facilitate clear communication between your agent and the customer.
• Internet connection – you’ll need strong bandwidth to ensure smooth communication, high-quality calls, and uninterrupted service.

Software tools ($3,500+ per year)

• Call center phone system – whether cloud-based or on-premise, a call center software is your agents’ main tool to manage all your customer communication.
• Customer relationship management (CRM) system – a database typically integrated into your call center phone system, which stores important customer information, such as client demographics, call logs, and purchase history.
• Workforce management tools – a software that helps you manage your workforce to make sure you have enough call center agents to handle high call volumes, such as customisable SLAs and call monitoring.

How We Compare Call Center Phone Systems