Best VoIP Mobile Phone Service Providers of 2025

• Holiday and business hours routing: Ensure effective handling of customer inquiries and automatically route calls based on pre-set business hours and holiday schedules.
• Dial-by-name directory: Lets callers reach the right employees by entering their name via the phone keypad. 
• Enterprise APIs and security: Offers customizable APIs and enterprise-grade security protocols, ensuring seamless integration and data protection for large organizations.
• Bring-your-own-carrier: Allows you to retain your preferred telecom carrier and integrate the extensive range of VoIP services Zoom Phone offers for greater flexibility and cost savings.Hot desking: This feature allows employees to log into any shared desk phone with their individual credentials for seamless access to their personalized settings and call history.

1. Zoom Phone Pro: Starts at $10 per user, per month
   • Features: This basic plan includes unlimited calling within the US and Canada, voicemail, call recording, and essential phone system management features. It’s suitable for small businesses that require standard VoIP services and have basic international calling needs.
2. Zoom Phone Pro Plus: Starts at $15 per user, per month
   • Features: This plan includes all the features of the Pro plan, plus advanced functionalities like auto-attendants, call queues, and integration with CRM systems. It is ideal for businesses looking to scale their operations with more robust communication tools.
3. Zoom United Business: Starts at $30 per user, per month
   • Features: This plan combines Zoom’s full suite of video conferencing and phone services, offering unlimited domestic and international calling to over 40 countries. It is designed for larger businesses with extensive international communication needs.

International Calling Rates

Zoom offers competitive international calling rates to over 150 countries and regions, with varying prices depending on the destination country. For example:

• United Kingdom: $0.02 per minute (landline), $0.08 per minute (mobile)
• Australia: $0.03 per minute (landline), $0.12 per minute (mobile)

Its Global Select plan has two calling plan options, which come with one number in one selected country per license. Zoom Phone’s international calling options are as follows: 

• Metered: Starts at $15, and all outbound minutes are metered
• Unlimited: Starts at $20 for unlimited domestic calling within one selected country/territory

For detailed insights into the best VoIP solutions for international calls, explore our top eight recommended providers, each selected for their unique strengths and ideal use cases. Read our full guide to find the ideal VoIP provider for your business.

• SMS: Send and receive text messages from your business phone number using your mobile or desktop app. Get 100 to unlimited messages monthly, depending on your plan
• Live chat: Engage with website visitors in real time and provide quick customer support to improve lead conversion rates and client communications. 
• Social media management: Use a single interface to manage customer interactions across multiple social media platforms.
• IVR: Depending on your plan, get an easy-to-setup, simple automated phone system for basic call routing or its advanced IVR, which provides complex routing options with customizable menus.Voice analytics: Get actionable insights about call data and track performance metrics, monitor customer sentiment, and optimize communication strategies for improved service quality.

Nextiva Small Business Plans

1. Digital Plan: $20/user/month (billed annually) or $25/user/month (billed monthly)
   • Features: Two social media accounts, three group email mailboxes, unified digital user inbox, digital service helpdesk, and messaging apps. 
2. Core Plan:$30/user/month (billed annually) or $35/user/month (billed monthly)
   • Features: Everything in the Digital plan, plus inbound and outbound voice, business SMS, video meetings, screenshare and file share, and call routing.
3. Engage Plan:$40/user/month (billed annually) or $50/user/month (billed monthly)
   • Features: Everything in the Core plan, plus call center and queuing, toll-free number and minutes, advanced reporting, MS Teams integration, and website chatbot.
4. Power Suite Plan: $60/user/month (billed annually) or $75/user/month (billed monthly)
   • Features: Everything in the Engage plan, plus advanced IVR, intelligent routing, unified team interface, supervisor dashboard, and transcribe and summarize.

Nextiva Enterprise Packages*

1. Essential Plan: From $129/agent/month
   • Features: Powerful inbound/outbound channels, full workflow engine, workflow automations and application programming interface (API), transcription and summarization, custom intelligent and skills-based routing.
2. Professional Plan: From $159/agent/month
   • Features: Full customer journey context, omnichannel support (voice, SMS, chat, email, social, messaging, webform), advanced AI bots, real-time supervisor support, secure payment agent assist (PCI-DSS).
3. Premium Plan: From $199/agent/month
   • Features: Full workforce management (WFM), optimized workflows for interaction deflection, CX analytics for all business functions, and multiscreen recording. 

*Nextiva also offers usage-based pricing and concurrent pricing, which start at $0.018 cents and $179 concurrent, respectively. 

• Revenue intelligence: Gain actionable insights for sales performance and growth by tracking call data and customer interactions.
• Visual voicemail: RingCentral automatically converts voicemail messages into text, for easy and efficient listening. 
• Receptionist and admin console: This offers a centralized location for managing call routing, user settings, and team communication, ensuring professional customer handling.
• AI Assistant for phone: Access AI capabilities to transcribe calls, gain real-time call suggestions, take real-time notes, and closed captioning support. 
• Audio conferencing: Get unlimited audio conferencing capabilities for collaborative sessions without time or participant restrictions.Agent call monitoring: Allows supervisors to monitor, whisper, or barge into calls, ensuring proper agent training and high-quality customer service.

Core Plan

• Price:$20 per user, per month (billed annually) or $30 per user, per month (billed monthly)
  • Features: This plan includes unlimited calling to the US and Canada, 100 toll-free minutes, 25 SMS credits, multilevel auto attendant and IVR, on-demand call recording, basic call queues, and 100 video meeting participants. This plan, which comes with an AI assistant for video and phone is ideal for small businesses with fundamental VoIP needs​.

2. Advanced Plan

• Price:$25 per user, per month (billed annually) or $35 per user, per month (billed monthly)
  • Features: The Advanced plan is more suited for remote and hybrid businesses, offering 1,000 toll-free minutes, 100 business SMS, advanced call queue, automatic call recording, advanced agent monitoring, and unlimited internet fax. It offers users integrations with popular tools like Salesforce and Zendesk.

3. Ultra Plan

• Price: $35 per user, per month (billed annually) or $45 per user, per month (billed monthly)
  • Features: This plan is designed for large businesses and contact centers, thanks to features like unlimited storage, end-to-end encryption for video and messaging, and advanced analytics. It supports up to 200 participants in video meetings and comes with 10,000 toll-free minutes and 200 business SMS. 

International Calling Rates

RingCentral offers metered international calling with competitive rates that vary depending on the country. It has an unlimited international calling plan covering over 50 countries. If the countries you call aren’t included in this plan, calls are billed per minute.

Additional International Options:

• International Numbers: Add extra international numbers for $5.99 per user, per month, or international toll-free numbers for $14.99 per user, per month.
• Additional Minutes: Should you exceed the included minutes for international calls, extra minutes are billed at varying rates depending on the country.

• Hot desking: Employees gain more flexibility by logging into shared desk phones and using their personal settings and call history.
• Phone paging: Broadcasts announcements to desk phones and sends out quick team updates or emergency notifications.
• Join meetings from mobile: Easily join video meetings from their mobile devices and give your team continued connectivity even when on the go.
• Queued callback: Give customers the option to receive a callback instead of waiting on hold and reduce overall wait times.Call park: Place calls on hold in a shared parking space so colleagues can pick them up from any compatible device once available.

• X2: Unlimited calling to 14 countries, voicemail, mobile and desktop apps, hot desking, call transfer, 100 video participants, 1:1 and team messaging, and 1GB media storage
• X4: Everything in the X2 plan plus, international calling to 47 countries, switchboard pro for user presence and availability, agent call monitoring (barge, monitor, and whisper), and 10GB media storage
• X6: Everything in the X4 plan plus, expert connect for call chat and bridging, IVR, skills-based routing, and post-call survey
• X8: Everything in the X6 plan plus 5,000 minutes using AI outbound predictive dialer, inbound chat, email and social channels, and co-browse for customer page visibility. 

8×8 is a comprehensive communications platform that provides contact center solutions, application programming interface (API), and unified communications. For more information on plans and packages, you can chat with an 8×8 expert or request a quote directly on its website.

• Call park: Places a call on hold within a shared parking spot so another team member can pick it up from any phone.
• Virtual extensions: Streamline connectivity and assign extensions to remote employees or departments without requiring physical phone lines.
• Call forwarding during device outages: Automatically redirect incoming calls to another device or number for uninterrupted communication during outages.
• Conference bridge: Host virtual meetings with multiple participants on a dedicated conference line.
• Flexible numbering: You can choose and manage multiple local or toll-free numbers to suit your business’s geographic or branding needs.Call transfer from app: You can redirect calls directly from the Ooma app to other extensions or numbers for better mobility.

Essentials

• Price: $19.95 per user, monthly
  • Features: 100-plus standard features, unlimited calling in the US, Mexico, Canada, and Puerto Rico, virtual receptionist, and mobile app

Pro

• Price: $24.95 per user, monthly
  • Features: All features of the Essentials plan plus a desktop app, 250 text messages, 25 video conferencing participants, and call recording

Pro Plus

• Price: $29.95 per user monthly
  • Features: All features of the Pro plan, plus CRM integration, 1,000 messages, 100-participant video conferencing, team chat, hot desking, and call queueing

International Calling Rates

• Basic and Premier Service: Basic service offers low rates on international calling. For only $9.99 per month, Premier service offers unlimited calling to Canada and Mexico, plus special low rates to many other destinations.
• World Plan: Unlimited minutes to landlines in over 60 countries and mobile phones in over 10 countries for only $17.99 monthly.
• World Plus Plan: For only $25.99 per month, this plan includes unlimited calling to landlines in over 70 countries and to mobile phones in over 40 countries.

• Ring groups: Get better response times and improve customer service by simultaneously distributing incoming calls to multiple team members.
• Advanced reporting: Integrate with BigQuery to gain detailed analytics on call metrics for better data-driven decision-making.
• Service level agreement (SLA): Google guarantees a 99.9% uptime for reliable service so businesses can continue uninterrupted work with minimal disruptions.
• Web and mobile apps: You can access your Google Voice account from any compatible and internet-enabled device through its web and mobile apps. Google Voice is compatible with Chrome OS, Apple Mac, Microsoft Windows, Android, and Apple iOS.
• Unlimited domestic texting: Send and receive texts within the US without additional charges.Unlimited users: Base plan subscribers get up to 10 users, but higher plans allow businesses to scale effortlessly by adding as many users as necessary.

Personal Plan

1. Personal: Free for one user
   • Features: Designed for a solopreneur or freelancer. Users get one US phone number, call forwarding, voicemail transcripts, and mobile app

Business Phone Systems

2. Starter: $10 per user, monthly
   • Features: Designed for small and growing teams needing unlimited local calls, unlimited SMS, voicemail transcripts, call forwarding, and usage and activity reporting
3. Standard: $20 per user, monthly
   • Features: Designed for medium to large businesses looking for tools like multilevel auto-attendant, ring groups, desk phone support, and call recording
4. Premier: $30 per user, monthly
   • Features: Designed for enterprises with distributed locations looking for macro analytics and call documentation. Tools include all those in lower plans, plus advanced reporting and automatic call recording

• Business texting: Use your business number to send and receive texts and keep your personal and professional communication separate.
• Voicemail: Maximize your internet connection and make and receive VoIP calls and messages, including voicemail messages. Access new voicemails through the Grasshopper app, email, or online portal, with transcription options.
• Instant response: Ensure quick communication and automatically reply to calls and messages with custom text responses so no clients call through the cracks. 
• Call forwarding: You can direct incoming calls to any phone number of your choice and customize how calls to an extension are handled. True Solo accounts can forward to one call forwarding number per extension, while all other accounts can add up to 15 forwarding numbers to each extension. Custom Greeting: Personalize your business greeting with custom messages you can edit based on operational hours, holidays, or departments. You can choose from pre-loaded default recordings or upload your own.

Solo Plan: $14 per month (billed annually) or $18 per month (billed monthly)

• Features: This package includes 1 phone number and 3 extensions. It is ideal for solopreneurs or small teams needing basic features like call forwarding, voicemail transcription, and mobile app access.

Partner Plan: $25 per month (billed annually) or $32 per month (billed monthly)

• Features: This plan includes 3 phone numbers and 6 extensions. It is suitable for small businesses with multiple partners or departments, and additional numbers and extensions add more flexibility.

Small Business Plan: $55 per month (billed annually) or $70 per month (billed monthly)

• Features: This plan includes 5 phone numbers and unlimited extensions. It is best for small businesses needing more extensive communication capabilities across multiple team members.