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The 8 Best VoIP Providers for your Business in 2025

Traditional landlines are rapidly disappearing, along with fax machines and floppy disks. By 2030, they will likely be relegated to the realm of antiques, replaced by cloud-based Voice over Internet Protocol (VoIP) systems that offer flexibility, savings, and cutting-edge features. If your business is still connected to copper wires, you're not just behind the times, you're spending too much. VoIP requires only an internet connection and a low monthly subscription, starting at $10 per user per month, compared to several thousand dollars for traditional PBX equipment. Here's why you should switch and the 8 best VoIP providers for 2025.

Why switch to cloud-based VoIP in 2025?

  1. Cost savings: Fixed systems, with PBX hardware costing over $1,000, are expensive. VoIP saves businesses around $10 per user per month, as if they were replacing a gas-guzzling car with an electric car.

  2. Flexibility: Make and receive calls wherever you are (coffee shop, home office, or abroad) using a smartphone, laptop, or tablet.

  3. Advanced features: The VoIP market, valued at $162.4 billion in 2023 and expected to reach $508.7 billion by 2030, is being driven by AI-based tools such as call routing, transcription, and analytics.

The 8 best VoIP providers for 2025

1- RingCentral

RingCentral is a top choice for medium and large businesses, used by over 400,000 companies. With 99.999% uptime guarantee, it offers exceptional reliability. Its app library allows integration with over 400 tools, such as Salesforce and Slack, optimizing workflows. Features include unlimited faxing, conference calls, and video conferencing for up to 200 participants. Starting at $20/user/month, it's ideal for complex needs, especially with Emelia.io for seamless B2B campaigns.

  • Why choose it: Recognized by over 400,000 businesses, RingCentral offers robust communication tools.

  • Key features

    • 99.999% availability

    • Integrates with over 400 tools (Salesforce, Microsoft 365, Slack)

    • Unlimited faxing, conferencing, and video conferencing for 200 participants

  • Pricing: Starting at $20/user/month (billed annually)

  • Best for: Medium and large businesses

  • Pro tip: Partner with Emelia.io for seamless B2B communication, with call recording directly in your CRM. –

    A complete solution for businesses

2- Zoom Phone

Zoom in blue and phone in gray on a white background

Zoom Phone is built on Zoom's popular platform, ideal for remote teams. Starting at $10/user/month, it offers HD audio and seamless transitions between chats, calls, and video meetings. The Global Select plan includes domestic calls in 48 countries, perfect for international teams. With 99.95% availability, Zoom Phone is an intuitive and reliable solution for businesses already using Zoom.

  • Why choose it: Integrated with the familiar Zoom platform, perfect for remote teams.

  • Key features

    • HD audio quality

    • Seamless switching between calls, chats, and video

    • Domestic calls in 48 countries (Global Select plan)

  • Pricing: Starting at $10/user/month

  • Best for: Remote teams already using Zoom – Video-centric solution

3- Nextiva

Nextiva written in white on a black and navy blue gradient background with a yellow circle above it

Nextiva stands out for customer-centric businesses, offering a unified platform for multichannel communications. Starting at $30/user/month, it manages calls, live chats, social media, and email in a single dashboard. AI features such as real-time transcription and sentiment analysis improve customer service. With exceptional support and 99.999% availability, it's a premium choice for customer-focused businesses.

  • Why choose it: A customer service center with VoIP as a bonus.

  • Key features

    • Manage live chat, social media, email, and reviews in a single dashboard

    • AI-powered transcription, sentiment analysis, and intelligent call routing

    • Top-notch customer support

  • Pricing: Starting at $30/user/month

  • Best for: Companies that prioritize multichannel customer engagement – Expert in customer experience

4- Dialpad

Dialpad written in white on a pink and purple gradient background

Dialpad shines with its AI features, perfect for businesses looking for innovation at a low price. Starting at $15/user/month, it offers real-time transcription, sentiment analysis, and integration with Salesforce. Its simple interface is suitable for small businesses, while its advanced analytics appeal to larger ones. With 99.99% availability, Dialpad offers intelligent and reliable communication for efficient teams.

  • Why choose it: Its AI-powered features simplify call management.

  • Key features

    • Real-time transcription and sentiment analysis

    • Advanced analytics and Salesforce integration

    • User-friendly interface

  • Pricing: Starting at $15/user/month

  • Best for: Small businesses and large companies that need AI tools – AI innovator

5- Vonage

Vonage written in black on a white background with a large black V on the left

Vonage is a flexible VoIP provider, ideal for businesses that need customization via API. It offers unlimited calls within the US, Canada, and Mexico, with 99.999% uptime. Its API integration capabilities allow for extensive adaptation to existing systems, perfect for developers. Pricing is quote-based, but its scalability is suitable for small and medium-sized businesses looking for customized solutions.

  • Why choose it: Highly customizable via APIs for customized solutions.

  • Key features

    • Unlimited calls within the US, Canada, and Mexico

    • 99.999% availability

    • Extensive API integrations

  • Pricing: Custom quotes

  • Best for: Businesses that need deep system integrations – Leader in API customization

6- 8x8

8x8 offers a unified platform integrating voice, video, chat, and contact center. With local numbers in multiple countries and GDPR/HIPAA compliance, it is designed for global businesses. Its enterprise-grade security and scalability are suitable for businesses of all sizes. Pricing is available on request, but its all-in-one approach offers attractive value for streamlining communications.

  • Why choose it: Combines voice, video, chat, and contact center features.

  • Key features

    • International local numbers compliant with GDPR and HIPAA

    • Enterprise-grade security

    • Scalable for startups and large enterprises alike

  • Pricing: Custom quotes

  • Best for: Businesses looking for an all-in-one communications platform – Added value of unified communications

7- GoTo Connect

Goto write in black on a white background and underline in yellow

GoTo Connect is a simple VoIP solution for small and medium-sized businesses, combining phone, meetings, and messaging. Its visual call flow editor and unified app make collaboration easy. With over 100 features, such as real-time analytics and automatic SMS responses, it is user-friendly. Pricing is available on request, and with 99.95% availability, it is an economical choice.

  • Why choose it: Easy-to-use platform that brings together calls, meetings, and messaging.

  • Key features

    • Drag-and-drop call flow editor

    • Unified app for calls, meetings, and file sharing

    • Over 100 features, including analytics and automatic responses

  • Pricing: Custom quotes

  • Best for: Small and medium-sized businesses looking for simplicity – Simple collaboration

  • Ooma

    • Why choose it

      : Affordable and simple, like a reliable, inexpensive watch.

    • Key

      • Unlimited calls to the US, Canada, Mexico, and Puerto Rico

      • Dedicated conference bridges

      • Combines traditional hardware with mobile/desktop apps

    • Pricing: Starting at $19.95/user/month

    • Best for: Small businesses concerned about costs – Reliability at a low price

Key features to look for

  1. Reliability: Look for 99.99% or higher availability with clear service level agreements for compensation in the event of downtime.

  2. Integrations: Ensure compatibility with CRMs (e.g., Salesforce) and tools such as Emelia.io for seamless workflows.

  3. Mobile support: Enable calls on iOS/Android devices for remote working.

  4. Call management: Look for auto attendants, interactive voice servers, call routing, recording, and analytics.

  5. Scalability: Choose systems that adapt to growth with customizable call flows.

VoIP provider comparison

Provider Starting price Ideal for Key strengths Availability

Provider

Starting Price

Best For

Key Strength

Uptime Guarantee

RingCentral

$20/user/month

Enterprise businesses

Comprehensive features

99.999%

Zoom Phone

$10/user/month

Remote teams

Video integration

99.95%

Nextiva

$30/user/month

Customer-focused businesses

Multi-channel support

99.999%

Dialpad

$15/user/month

AI-driven businesses

Real-time transcription

99.99%

Vonage

Custom pricing

Developer-friendly

API customization

99.999%

8x8

Custom pricing

Global enterprises

Unified communications

99.99%

GoTo Connect

Custom pricing

Small-medium businesses

Simple collaboration

99.95%

Ooma

$19.95/user/month

Budget-conscious

Cost-effectiveness

99.9%

Hidden costs to avoid

  • Setup/integration: Some providers charge for system design or training.

  • Premium features: Additional fees for call recording, premium support, or integrations.

  • Number portability: Transferring existing numbers may incur costs.

How to choose the right VoIP provider

  1. Map out your needs: Identify pain points (e.g., missing features, inefficiencies).

  2. Plan for growth: Consider increasing user numbers, new markets, and future features.

  3. Test first: Use free trials to evaluate performance.

  4. Check integrations: Ensure compatibility with CRMs, especially for Emelia.io users.

  5. Evaluate support: Look for 24/7 support and robust training resources.

Implementation tips

  1. Stable internet connection: Ensure you have sufficient bandwidth (100 kbps/call).

  2. Backup power: Plan for power outages, as VoIP relies on the internet and electricity.

  3. Team training: Use the provider's apps for quick setup and train staff for greater efficiency.

The future of VoIP

By 2025, expect:

  • AI improvements: chatbots and analytics for better customer service.

  • Enhanced security: improved encryption and compliance.

  • Mobile optimization: improved apps for teams on the go.

  • Deeper integrations: tighter connections with business tools.

Conclusion

The move to cloud-based VoIP is a game-changer, improving efficiency, customer experience, and scalability. Whether you're a start-up using Emelia.io for your communications or a business with complex needs, the right VoIP provider can keep you competitive. Focus on your needs, test different options, and choose a scalable solution. The cloud is calling—answer it.

FAQ

Illustrations with lots of question marks
  • What is VoIP?

    It converts voice into digital packets sent over the internet, mimicking traditional phone calls.

  • How much can I save?

    Approximately $10 per user per month, or $2,400 per year for a team of 20 people.

  • What internet speed is required?

    At least 100 kbps per call for clear sound.

  • Can I keep my number?

    Yes, thanks to number porting.

  • What is the impact of a power outage?

    VoIP requires an internet connection and power, but mobile apps or call forwarding can help.

  • Is VoIP secure?

    Most providers offer encryption and GDPR/HIPAA compliance.

  • How long does it take to set up?

    From a few hours to a few days, depending on the size of the business.

  • CRM integration?

    Yes, most integrate with Salesforce, HubSpot, and tools such as Emelia.io.

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