7 Top Enterprise Business Phone Systems for Growing Companies

As your company grows, staying connected gets harder. Your team might be in different places. Some work from home, some are in the office, and others are always on the move.

If your phone system is old or hard to use, things can fall apart. Calls get dropped, customers wait too long, and your team wastes time trying to fix problems instead of helping people.

In this article, you’ll find seven business phone systems that are a good fit for growing companies. If your current setup is holding you back, one of these options might be a better fit.

What Is An Enterprise Phone System?

An enterprise phone system helps large teams manage business communications. It goes beyond basic calling. You get features like call routing, call analytics, voicemail, and more. These tools help your sales team stay on track and respond faster.

Most companies today use a cloud phone system. This cloud center setup lets your team make calls from anywhere using a phone, laptop, or tablet. Many of these systems use enterprise VoIP, which sends calls over the Internet instead of traditional phone lines.

Modern phone systems also work well with your other tools. You can connect them with Microsoft Teams, contact center software, and business software. This makes it easier to manage everything in one place.

Business phone providers offer systems with advanced telephony technology. These features are great for remote teams, growing businesses, and busy contact centers. If you want to keep your team connected, a strong phone system is not just helpful, it’s necessary.

Book a demo today and see how Talkroute makes call routing easy for large support and sales teams.

What Are the Three Kinds of Business Phone Systems?

Businesses usually choose from three main types of phone systems: KSU, PBX, and VoIP.

Key Service Utility (KSU)

A Key Service Utility is a basic phone system used by small businesses. It supports traditional desk phones and offers simple features like caller ID, basic call management, and the ability to route calls.

It works with a traditional phone line and is easy to set up, but it doesn’t offer much flexibility or advanced tools.

Private Branch Exchange (PBX)

A Private Branch Exchange gives you more control over business calls. It works well for companies with a contact center department or multiple office lines.

PBX systems support better call routing and caller ID features. However, they still rely on traditional phone lines and are often more costly to install and maintain.

Voice Over Internet Protocol (VoIP)

A VoIP phone system sends calls over the Internet instead of using phone lines. An enterprise VoIP phone system is often part of a cloud-based phone system, making it easy for remote teams to handle customer calls from anywhere.

VoIP calls can be managed with software that connects to your contact center solutions, offering better call management, smart call routing, and cost savings. This is now the most common choice for growing businesses.

Watch how your enterprise can move calls smoothly across departments with Talkroute.

7 Best Enterprise Phone Systems to Check Out in 2025

Let’s look at your top 7 choices of enterprise business phone systems in 2025.

1. Talkroute

Talkroute is a business phone system that lets you talk, text, and meet with customers using desktop, mobile, and web apps. It’s built for teams of all sizes and works without the need for extra hardware.

With affordable pricing, no user-based charges, and no contracts, it’s a simple and flexible choice for businesses that need clear communication on the go or in the office.

Key Features

• Call forwarding and routing – Send calls to mobile phones, landlines, or computers with custom rules
• Business texting – Text customers from your business number using local or toll-free lines
• Video meetings – Host or join video calls with up to 100 participants
• Desktop and mobile apps – Make calls, send texts, and join meetings from any device
• Voicemail to email – Get voicemails sent to your inbox with audio and transcriptions
• Auto attendants – Create menus and submenus to guide callers to the right team or info
• Extensions – Add unlimited single or multi-digit extensions for departments and users
• Call recording – Record and store calls for training, review, or dispute protection

Want better control over your enterprise phone system? See how Talkroute does it.

Talkroute’s Offering for Enterprises

The Enterprise Plan is Talkroute’s top-tier option, built for large businesses that need more users, more numbers, and hands-on support.

It includes submenus, multi-digit extensions, call recording, scheduled call forwarding, reporting tools, and access to the Voice Studio.

The Enterprise plan also expands your capacity with over 10 phone numbers, 20 or more mailboxes, a service-level agreement (SLA), and dedicated account management.

This setup gives you more control and helps your business run smoother as it grows.

It’s a good fit for companies with 20 or more users. You can get a custom quote based on your needs, and the pricing adjusts based on how many people you add.

If your team is growing fast and needs reliable call tools without limits, this plan gives you all the core features along with personal support to keep things running well.

Start your free trial today and test how Talkroute handles call transfers across your enterprise team.

2. RingCentral

Source: ringcentral.com

RingCentral is a communication platform that helps businesses talk to customers and work together as a team. It brings phone calls, messages, video meetings, and customer support into one system.

RingCentral works across different devices and includes built-in AI to help with daily tasks like scheduling, call summaries, and customer support. The platform is designed to support both small businesses and large companies.

Key Features

• Business phone system – Make and receive calls on your computer or mobile device
• Messaging and video – Chat with your team and host video meetings in one place
• AI receptionist – Answer and route calls automatically without a live person
• Conversation insights – Get real-time notes and summaries from customer calls
• App integrations – Connect with tools like Salesforce, HubSpot, and over 300 others

RingCentral’s Offering for Enterprises

RingEX has three main plans for businesses with 6 to 100 users. The Core plan is $30 per user per month and includes unlimited domestic calling, SMS, and MMS, video meetings for up to 100 people, call menus, shared voicemail, and integrations with Google and Microsoft tools.

It also comes with an AI Assistant that transcribes calls and meetings and summarizes video recordings. The Advanced plan costs $35 per user and adds auto call recording, call monitoring, CRM integrations, and usage analytics with six months of stored data.

The Ultra plan is $45 per user and includes video meetings for up to 200 people, unlimited storage, device analytics, and 12 months of reporting. Its AI tools can also write and translate SMS and team chat messages.

For companies with over 100 users, the same three plans are available, but pricing is not listed on the website.

These versions include all the same features, including multi-site support, cloud storage, analytics, and full access to the AI Assistant.

Recommended reading:

Ring Central vs Dialpad: Which Fits Your Needs Best?

3. Dialpad

Source: dialpad.com

Dialpad is a VoIP platform that helps teams talk, message, and meet from anywhere.

It brings phone calls, video meetings, and team chat into one place. The built-in AI helps with tasks like writing call summaries, coaching during live calls, and checking customer satisfaction.

You can use Dialpad for everyday work or set it up as a full contact center. It works on both computers and mobile phones, making it easy for teams to stay connected.

Key Features

• AI-powered calls and messages – Talk, text, and meet with real-time summaries and action items
• AI contact center tools – Use virtual agents, live coaching, and conversation insights to support customers
• AI sales tools – Help sales teams with smart tips and live feedback during calls
• Data privacy and security – All data stays in-house and meets major privacy rules
• App integrations – Connect with tools like Salesforce, Google, Microsoft Teams, and more

Dialpad’s Offerings for Enterprises

Dialpad’s Enterprise plan is built for large organizations that need more security, control, and room to grow. It includes features such as unlimited calling, AI-powered meetings, built-in team messaging, and CRM integrations like Salesforce and HubSpot.

It also offers tools like 24/7 live support, multiple phone numbers, Microsoft Teams integration, global SMS, and real-time analytics. These features help teams stay connected and manage communication across different offices.

The Enterprise plan also adds single sign-on (SSO), advanced user access controls, and support for unlimited office locations. It also comes with a 99.9 percent uptime guarantee.

Recommended reading:

Aircall vs Dialpad: Features, Price, and Which One to Choose

4. Nextiva

Source: nextiva.com

Nextiva is a unified communications and customer experience platform that helps businesses talk to customers across many channels. You can use it for calls, chat, email, social media, and more.

Everything runs on one system, so your team can see what’s happening with each customer in real time. Built-in AI and automation help reduce support costs and speed up daily tasks.

Key Features

• Unified customer experience platform – Manage voice, chat, email, SMS, and social conversations in one place
• AI-powered automation – Handle tasks faster and lower support costs with built-in self-service tools
• Real-time customer insight – View live data and customer sentiment to guide support and sales
• Workforce engagement tools – Help your team stay productive and reduce agent burnout
• Flexible setup and integrations – Customize your system and connect tools through APIs and pre-built apps

Nextiva’s Offerings for Enterprises

Nextiva offers four enterprise-level plans designed for different team sizes and needs. The Digital plan starts at $25 per user per month and includes messaging across channels, review management, and a digital service helpdesk.

The Core plan, at $36 per user, adds voice calling, SMS, video meetings, screensharing, file sharing, and voicemail transcription powered by AI.

The Engage plan costs $50 per user and includes everything in Core, plus live chat, chatbots, Microsoft Teams integration, toll-free numbers, and advanced reporting.

For teams that require more call handling tools, the Power Suite is available at $75 per user. It includes everything in Engage, along with call center features, priority routing, a supervisor dashboard, and a unified interface for managing sales and support.

All plans are priced monthly and designed to support growing businesses with multiple communication channels, internal collaboration tools, and customer service functions.

Recommended reading:

Nextiva vs RingCentral: Which Tool to Choose

5. OpenPhone

Source: openphone.com

OpenPhone is a business phone system that brings calls, texts, and contact history into one shared space. It helps teams stay on the same page and respond quickly, whether they’re working together on customer support or sales.

The platform includes AI features that save time by writing call summaries, tagging calls, and logging important details. Teams can work from anywhere and still have full context on every customer interaction.

Key Features

• AI answering agent – Sona answers calls 24/7 and logs key details so you never miss a lead
• Call summaries and transcripts – Automatically capture and organize key points from every conversation
• Shared numbers and team tools – Work as a team with shared inboxes, warm transfers, and internal threads
• Custom call flows and routing – Set up how calls are handled, routed, and answered based on your needs
• Integrations and automations – Connect with tools like HubSpot and schedule replies or record calls automatically

OpenPhone’s Offerings for Enterprises

OpenPhone’s Scale plan is a suitable enterprise option at $47 per user per month.

It includes AI-generated call summaries and transcripts, call transfers, group calling, phone menus, and integrations with tools like HubSpot and Salesforce. It also comes with analytics, auto call recording, and live chat support.

The Scale plan has advanced tools for growing teams, including AI call tags, upcoming conditional call routing, dedicated onboarding support, and faster access to help through priority live chat and email ticket support.

This plan is designed for businesses that need more automation, stronger support, and better control over their phone system setup.

Recommended reading:

RingCentral vs OpenPhone: Which One Offers More Value?

6. Aircall

Source: aircall.io

Aircall is a cloud-based platform that helps teams manage customer calls, texts, and messages from one place.

It works well for both sales and support teams, with tools that make conversations smoother and more productive. The system includes AI agents that can handle calls around the clock, plus insights to help your team improve.

It also supports messaging on WhatsApp and connects with popular tools like Salesforce, HubSpot, and Zendesk.

Key Features

• AI voice agents – Handle incoming calls automatically at any time of day, even outside business hours
• AI-powered workflows – Get real-time support during calls, plus help with follow-ups and next steps
• Unified communication hub – Manage phone calls, texts, and WhatsApp messages in one shared inbox
• Built-in analytics – Track team performance and find areas to improve using call data and reports
• Easy setup and integrations – Start fast and connect with tools like CRMs, help desks, and eCommerce platforms

Aircall’s Offerings for Enterprises

Aircall’s Custom plan is designed for larger teams and includes Salesforce integration, advanced analytics, live monitoring, Power Dialer, voicemail drop, queue callback, and smart call routing.

It builds on these tools by adding support for unlimited worldwide calling, single sign-on, and a service-level agreement (SLA).

The plan also includes custom onboarding and access to developer-level API support. It is aimed at businesses that require more flexibility, deeper integrations, and enterprise-level reliability. A minimum of 25 licenses is required, and pricing is not listed publicly.

Recommended reading:

Aircall vs RingCentral: Features, Pricing Plans, & Which to Pick

7. MightyCall

Source: mightycall.com

MightyCall is a cloud-based call center platform built for small and mid-sized businesses. It helps teams handle customer calls, track performance, and stay organized, all in one place. The setup is easy, and the system includes tools for sales, support, and compliance.

It also offers strong call quality, live analytics, and helpful support from real people. Whether you’re taking inbound calls or making outbound sales calls, MightyCall gives you the tools to stay on top of every conversation.

Key Features

• Unified agent and supervisor interface – Manage calls, track performance, and coach teams on one screen
• Automatic call distribution – Send incoming calls to the right agent using smart routing rules
• Advanced auto dialer – Use preview, progressive, or predictive dialing to save time and reach more people
• Live analytics and reporting – View real-time data and generate reports to improve team performance
• Legal and data compliance – Stay protected with built-in support for HIPAA, PCI-DSS, FCC rules, and call encryption

MightyCall’s Offerings for Enterprises

MightyCall’s Enterprise plan is the highest-tier option and is designed for larger teams with more complex calling needs.

It includes a preview dialer, progressive dialer, answering machine detection, and a dedicated account manager.

In addition, the Enterprise plan adds a predictive dialer, SIP trunking support, and custom integration options tailored to the business.

This plan is intended for organizations that need more control over call routing, automation, and system setup.

The plan supports custom setups and is suited for businesses that handle high call volumes or require advanced outbound calling tools.

Recommended reading:

MightyCall vs Grasshopper: Which One Is Right For You?

What Key Features Should You Look for in an Enterprise Business Phone System?

Choosing the right enterprise phone system isn’t just about making calls. Here are the features to look for:

Call Management Tools

A strong phone system should give you full control over how calls are handled. Look for features like call forwarding, auto attendants, call queues, and voicemail. These tools help your team manage high call volumes without missing customer calls.

They also make it easier to route calls to the right person or department, saving time and keeping things organized.

Caller ID and Call Analytics

Caller ID helps you know who’s calling before you answer, which is helpful for both the sales team and support staff.

Call analytics show how your phone system is being used, how many calls come in, how long they last, and how quickly they’re answered. These insights help you improve your customer service and track team performance in a clear, simple way.

Voicemail With Transcription

Voicemail is standard, but voicemail with transcription saves time. Instead of listening to each message, your team can quickly read the message and respond faster.

This is especially helpful when people are in meetings or working remotely.

Software Integration

Your phone system should work well with the business software you already use. It should connect smoothly with Microsoft Teams, CRMs, and contact center software.

This makes it easier for your team to manage calls, track customer data, and work across different tools without switching between apps. It saves time and keeps your team focused.

User-Friendly Dashboard

A good phone system should come with a dashboard that’s easy to understand and simple to use.

You should be able to see everything in one place: call activity, missed calls, team performance, and live call status.

This helps managers quickly spot problems, track trends, and see how busy the team is throughout the day.

Strong Customer Support

No system is perfect. Even the most reliable setup will run into a problem at some point. That’s why strong customer support is so important. You want a provider that’s easy to reach and quick to respond when something goes wrong.

Whether it’s a dropped call, a feature that’s not working, or just a simple setup question, support should never feel like a struggle.

Call Recording

Call recording is a key feature for any growing business. It gives you the ability to go back and listen to past conversations, which can be helpful in many ways. For training, it lets new team members hear real examples of how to handle calls.

Managers can use recordings to coach staff, point out what went well, and suggest better ways to respond in tricky situations.

IVR (Interactive Voice Response)

IVR, or Interactive Voice Response, is a helpful tool that lets callers interact with your phone system through a menu.

When someone calls your business, they hear a voice menu with simple options like “Press 1 for sales” or “Press 2 for support.” This helps direct calls to the right department without needing a live person to transfer them.

IVR makes your business sound more professional and organized. It also saves time for both your team and your customers.

Recommended reading:

Your Guide to a Business Phone System Installation

VoIP Advantages and Disadvantages: A Quick Overview

Upgrade Your Enterprise Communications with Talkroute

Looking for a smarter way to manage your company’s phone system? Talkroute for Enterprise gives you everything you need to talk, text, and meet using one platform.

It works with your current internet connection, supports teams across multiple locations, and requires no special hardware. Whether your staff works in the office or remotely, everyone stays connected.

Switch to a flexible business VoIP system that grows with your business and puts you in full control.

A Trusted VoIP Provider

Handle all your business phone calls using secure internet protocol without needing landlines or complex setups. Talkroute gives you a modern alternative to traditional phone systems, with clear call quality and tools that help you stay organized.

A Dedicated Business Phone Number

Set up a professional identity with a custom business phone number. Choose from local, toll-free, or vanity numbers to match your brand. You can also add more numbers at any time for different departments or locations.

Call Queues And Phone Extensions

Create call queues to manage high volumes and route callers efficiently with custom phone extensions. You can build out a system for departments like sales, support, or billing so every call gets to the right place without delay.

A Full-Featured Desktop And Mobile App

Use the Talkroute desktop and mobile app to make and receive calls from anywhere. Whether you’re on a cell phone, mobile phone, or desktop computer, your business line stays with you. The app also supports texting, voicemail, and video meetings, all in one place.

Conference Call Tools

Easily run internal meetings or talk with clients using built-in conference calls. You can invite up to 100 participants and share your screen or files during the meeting. It’s a simple way to collaborate without switching tools.

Flexible Routing Options

Forward calls to any number, no matter which phone service provider your team uses. You can build routing rules based on user schedules, time zones, or location. That means your team can work from home, on the road, or in different offices and never miss a call.

Internet Protocol-Based Calling

All calls on Talkroute are powered by VoIP technology, which uses your internet connection instead of traditional phone lines. This gives you better call quality, more flexibility, and lower costs than legacy systems.

Seamless Setup

There are no contracts, no per-user fees, and no surprise charges. Just a flat monthly rate starting at $19. You can get started fast and manage your entire phone system right from your browser, with help from our support team if you need it.

Start your free trial and explore all enterprise phone features from day one.

FAQs About Enterprise Business Phone Systems

What is an enterprise phone system?

An enterprise phone system is a full-featured solution that helps large businesses handle high call volumes, call routing, and team collaboration across many users or locations.

It often includes advanced features like video conferencing, automatic call recording, auto attendants, and integrations with business tools like Slack and Microsoft Office.

Talkroute offers these features too, but with simpler setup and pricing, making it a flexible choice even for growing teams needing enterprise-level functions.

What is the best telephone system for a small business?

The best phone system for a small business is easy to manage, flexible, and doesn’t charge per user. Talkroute checks all those boxes.

It lets you make and receive business calls, texts, and video meetings from your desktop or mobile device.

With a flat $19/month starting price and no contracts, it’s a smart option for small teams looking for a business phone system tailored to their needs.

What is the best phone service for a small business?

For small businesses, the best phone service is one that offers strong features without being expensive or complicated.

Talkroute gives you call forwarding, auto attendants, business texting, and video meetings all in one app. It works on any device and helps you manage business calls professionally without the hassle of traditional phone systems.

How much does a business phone system cost?

Most small business phone systems charge per user, which adds up fast. Talkroute keeps it simple with pricing that starts at $19/month for your whole system, not per user.

You can add virtual phone numbers as you grow, and since there are no extra taxes or hidden fees, you know exactly what you’re paying each month.