Best Business VoIP Apps for iPhone of 2025

3CX is an open-standards, software-based IP PBX that provides complete Unified Communications right out of the box. 3CX is suitable for all industries and sizes. It can provide everything you need, from mobility and status to advanced call center features and more, at a fraction the cost. 3CX is ideal for remote companies and includes mobile apps, video conference, and website live chat. The installation, management, and maintenance of the PBX are so simple that you can easily manage it yourself, on your own appliance, server, or on a cloud-based platform. You can also choose to have it hosted on 3CX for an easy solution.

Are you looking for a smart phone system? CloudTalk.io is a new-generation cloud phone system that can be used by SMEs, startups and online stores. It also works with call centres (sales or customer service) and call centres (sales). You will find 25+ integrations with your favorite CRM, helpdesk, or e-commerce tools like Shopify, Salesforce or Pipedrive at your disposal along with a 5-star customer success team that makes it easy to seamlessly migrate, or set up a new cloud call center from scratch. We are growing rapidly every month and have already established successful partnerships with more than 1000 companies around the world, such as DHL, Yves Rocher, Karcher. CloudTalk offers a 14-day free trial (no credit card details necessary).

RingCentral RingEX, a powerful cloud-based telephone system, helps optimize your business communication. RingCentral RingEX provides enterprise-grade communication tools, including voice, fax and text, as well as BYOD (bring your own device) capability. This allows you to work wherever and however you choose. RingCentral RingEX's core features include auto-recording and conferencing as well as unlimited long-distance calling and local calls. RingCentral RingEX can be customized to suit your needs by configuring call management features such as call forwarding, message alerts and missed-call notifications.

Ultatel is a leader in business communication solutions, providing organizations with state-of-the-art cloud VoIP technology designed to enhance productivity and maintain seamless connections with customers anytime, anywhere. Our services are fully adaptable, offering unlimited HD Voice, SMS, Fax, Chat, Video, along with more than 40 advanced features and integrations to meet your changing needs. With our transparent pricing model, you can trust that there are no hidden fees—what you see is what you pay! As a recognized Gartner Category Leader and G2 High Performer, Ultatel delivers a unified communications platform that grows alongside your business. Thanks to our innovative FlexScale technology, adjusting your communication requirements is a breeze, with no downtime or extra charges involved. Our Award-Winning Customer Support team is available around the clock, ensuring a remarkable 94% resolution rate on first contact. With Ultatel, you can enjoy the confidence that comes from being connected without limits.

Voice. Text. Video. Fax. Conferencing. Collaboration. Phone.com is the modern, flexible, work-from anywhere solution for today's mobile entrepreneurs and growing businesses. Phone.com offers advanced business phone features that your growing business requires to serve customers professionally and effectively. Advanced call handling options can enhance your company's image. Mobility features allow you to stay connected with customers, colleagues, and partners from anywhere, anytime.

VirtualPBX Business VoIP stands out as a leading provider in the realm of cloud communications, tailored to accommodate businesses of varying sizes. With a rich history spanning over 27 years, VirtualPBX offers a powerful and dependable VoIP service boasting an impressive 99.999% uptime, along with a suite of advanced features and top-notch customer support. As a privately owned and US-based entity, VirtualPBX is committed to delivering award-winning customer service available 24/7/365, along with flexible solutions designed to scale alongside your business. Additionally, small enterprises can take advantage of significant savings, averaging between 40-80%, making VirtualPBX a smart and economical choice for business communication needs.

Intulse is a business VoIP provider, offers hosted/cloud VoIP UCaaS services to businesses. We offer managed VoIP phone systems for businesses in the USA designed for mobility, speed, flexibility, & more. Intulse was established in 2015 to assist businesses who were stuck with old communication systems that did not do enough but cost a lot. The Intulse UCaaS (Unified Communication as a Service) solution is designed to increase productivity through the Intulse App which offers a VoIP softphone, SMS texting, messaging, CRM integration (ex. Salesforce & HubSpot), softphones, time-based routing, virtual receptionists, customized greetings (including AI generated), unlimited extensions, and more. Customers who choose Intulse as their cloud VoIP provider get the power of a feature-rich system that can be customized to best-fit how they do business. Intulse’s communications specialists work closely to help select and implement features to ensure each business gets the most out of their system and service. Intulse offers 24/7, 100% US-based support which is unmatched in the industry, and we answer the phone when you call.

Ooma Office, a business VoIP solution that is affordable, easy to use and award-winning for all sizes of businesses, is simple to adopt. Ooma offers advanced voice and collaboration features that can be adapted to any number of employees, no matter how many. Ooma Office offers unlimited lines for your business, as well as an easy-to-use setup that requires no contracts or long-term commitments. Ooma makes it easy to scale up your office phone system for small businesses as their business grows. Customers can choose from a variety of hardware options: traditional analog phones, IP phones or virtual service through Mobile and Desktop apps. Ooma provides a complete suite of business phone features that will ensure a seamless communications experience. Advanced features like a virtual receptionist and ring groups, call parking, multi-site access, and call parking make small businesses seem big.

Kixie: Smarter Calling & Texting for Revenue Teams Kixie is the AI-powered sales engagement platform that helps teams connect faster, close more deals, and scale effortlessly—all while keeping it personal. 🔥 Outbound Sales: Boost connection rates up to 400% with AI-powered Local Presence, Multi-Line PowerDialer, and Spam Risk Prevention. 🚀 Marketing: Automate calls & texts for instant follow-ups and high-converting outreach—without the manual work. 📞 Inbound Sales & CS: Handle more calls with smart CRM-based routing, shared SMS inboxes, and instant auto-replies. 📊 RevOps & Leadership: Get AI-driven insights, real-time coaching tools, and advanced analytics to level up your team. 💥 Supercharge your sales team today! Visit our website to get started for free, no credit card required.

The simple, smart, efficient & all-in-one UCaaS, Customer Engagement & Workforce Management Platform. ConneXio Cloud is a full suite of Communication and Workforce Management Tools - AI & Voice Recognition IVRs - Omni-Channel IVRs - Voicemail and Call Menu Builder - VoIP Web-Phones - CRM - UCaaS / CCaaS - Predictive Dialer - BPO & Outsourcing Create the exact solution you need to engage customers at every step of their journey on their preferred channels – anywhere in the world! Provide a white-glove, VIP service so convenient and proactive, your customers will think you can read minds! - Real-time Analytics & Reporting - Custom-Tailored - AI & Machine Learning - Industry-Leading VoIP Network

Virtual phone system designed for businesses. All you need to manage business communications via your phone and desktop. Start at $19 per month You can make and receive business calls from your smartphone or desktop. You can make and receive calls from any smartphone or desktop using our virtual phone system. Talkroute gives you the power of an enterprise-level telephone system without the need to purchase or maintain additional equipment. Get our apps today to make business calls from your smartphone and PC.

You don't need to spend a fortune to get a business phone system. We make it easy for small businesses to access big business tools in the United States. Insider Telecom provides the equipment for as long as you need it. You can enjoy features such as caller ID, conference calling, call forwarding and intercom. A complete business phone system requires no upfront investment. This is the Insider Telecom difference. Our support team understands that you may not be able to speak "telephone." They are trained to listen to your needs and help you choose the right phone system for you. We want you to feel confident that you are working with the right platform.

Hosted Business Phone System PBX can make any company sound and function as a Fortune 500 company. All your calls can be answered by an auto-attendant. This allows callers to dial by name, choose extensions, and select departments. You can have your calls transferred to your mobile phone automatically if you're on the move. T-Max is completely geo-redundant. Our servers are hosted in top-notch data centers across the United States. Multiple carriers are used to ensure maximum connectivity to the PSTN. T-Max uses high-quality desk phones made by Yealink and Polycom. There are many models to choose from to best suit your environment. We offer a variety of reception consoles, agents phones, wireless phones, conference room phones, and wireless phones. The best Hosted Business Phone System for the price is available today. 1-888-245-34883 Departments Extensions Digital Receptionist Voice Prompts Voice Mail Fax Service And Much More

We offer the perfect VoIP solution for anyone looking to simplify their office or mobile communications. TecWerks offers a unique alternative to other telecom providers. We offer options that can scale from the smallest company to multi-site national companies without the sticker shock. You will save BIG on your phone service costs with our telecom plans. There are no hidden fees. Are you required to leave the office occasionally? Our VoIP phone systems can be used on mobile devices. Don't miss an important call if you are not available. You can take the office with you, even if your cell phone number is not publicized. Are you looking for remote workers or field staff? No problem. We have the solution that fits your needs. We can customize telecom packages to meet your business's needs. VoIP (voice over IP), which is completely portable, reduces costs and increases accessibility for your business. We have everything you need, from basic to advanced cloud-based voice-over-IP solutions - we have it all.

A versatile platform and applications tailored for MSPs and UCaaS Providers. Elevate your business with contemporary communication and phone systems, enhancing customer experience without significant upfront expenses. Chosen by a multitude of global customers, UCaaS providers, and resellers, Thirdlane is the preferred solution for those seeking a competitive advantage. Whether for businesses of any scale, government agencies, or call centers, Thirdlane's reliable and user-friendly multichannel communication solutions boost productivity, customer engagement, sales, and cost efficiency. Discover how Thirdlane can bolster your organization; request a quote today. In addition to the telephony features of the Thirdlane Multi Tenant PBX or Thirdlane Business Phone System, customers gain entry to the Thirdlane Connect application (desktop&mobile), covering chat, voice and video calls, conferencing, screen sharing, along with integration capabilities with CRM and diverse applications.

The cloud phone solution is natively designed for the Zoom platform. Modern user interface and enterprise-class features to simplify voice communications. Zoom administrator portal allows you to manage and provision users, as well as monitor call quality and usage. Globally distributed Zoom cloud platform provides secure HD Voice with enterprise-class reliability. You can easily make and receive calls, share content and participate in video meetings. You can also send chat messages using Zoom desktop or mobile apps. You can easily elevate phone calls to Zoom Meetings without having to ask participants to hang up or dial in to a separate conference bridge. Native apps for Windows, MacOS and Android are easy to use and maximize voice and video quality. There is an ever-growing number of countries that provide local phone numbers. Customers who want to simplify global telephony carrier management can port numbers to Zoom.

MightyCall is a flexible & scalable cloud-based call center solution designed specifically
for small & mid-sized businesses. Be part of the MightyCall family and witness firsthand how our Call Center solution can revolutionize your business communications.

Business Phone system that doesn't require heavy wiring or hardware. Zadarma offers VoIP and Cloud PBX, CRM, website widgets and integration with top CRM systems. Virtual phone numbers in 100 countries around the globe are available for as low as $2 per month.

PBXware is the first and most established IP PBX Professional Open Standards Turnkey Telephony Platform. PBXware has been providing flexible, reliable and scalable Next Generation Communication Systems (NGCS) and VoIP solutions to small and medium-sized businesses (SMBs), enterprises and Internet Telephony Service Providers, (ITSPs), call centers and governments around the world since 2004. This is done by combining the best of the latest technologies. Bicom Systems softswitch is available in the Business, Call Center, and Multi-Tenant Editions. Each edition supports specific features that maximize performance, reliability, expandability, and expandability.

Discover how the Telnyx API is a developer-friendly tool that can transform your business communications. Telnyx is a communication platform that can be customized to meet your specific needs. Our network was designed with real-time communication in mind. We can deliver high quality calls, messaging, data, and data all over the globe. Our SMS API makes it easy to create reliable messaging. Two-factor authentication via SMS or voice codes is a great way to protect your data. You can plug and play your VoIP setup within minutes. Get carrier-grade voice and elastic SIP trunks. You can rest assured knowing that you are protected in the event of a network outage thanks to our cloud-agnostic approach. Telnyx enables communications to be deployed exactly according to specifications.

Stay connected, organized, and focused with a user-friendly phone solution designed for organizations of any size. With Voice, making work-related calls becomes a breezy experience. You can easily make and receive calls using a dedicated work number from any device, no matter your location. Begin to enhance your communication strategies today. Voice is adaptable, allowing you to tailor it to your daily tasks seamlessly. The processes for number assignment, porting, and billing are all streamlined within the user-friendly G Suite Admin console. Google's advanced AI technology helps filter out spam calls, automatically transcribes voicemails, and allows you to customize your PBX settings. Additionally, integrations with Hangouts Meet and Calendar ensure you remain focused on what truly matters. Voice can be rapidly deployed on a global scale from any location, significantly reducing the need for administrative overhead. Concentrate on your priorities while effortlessly staying connected through desk phones, smartphones, and web applications, making your workday more efficient than ever.

GoTo Connect gives your business a professional boost. GoTo Connect is a cloud-based, feature-rich, business phone system that helps thousands of companies in all industries and sizes to improve their communications and achieve greater success. GoTo Connect Hosted VoIP provides a wide range of features that can replace legacy landline phones such as unlimited voicemail boxes and auto attendants.

EnableX makes it easy to integrate real-time communications into applications or workflows. It was designed and developed for Service Providers and Systems Integrators. It provides a robust, scalable, secure communications platform without the complexity and maintenance of maintaining the network infrastructure. Developers can quickly customise and embed all of the communication functions, such as voice, video, and SMS, into existing applications, workflows, and systems by simply using EnableX's extensive sets of programmable SDKs and APIs. Businesses can communicate with customers worldwide using the Virtual Number services, as well as advanced features like AI and NLP.

VoIPco offers a wide variety of services and a rich selection of features to enhance your business's telecom experience. VoIPco allows businesses to upgrade their business phone system and achieve a Return on Investment in 6-12 months. You can access your telecom services from any device on your IT network, including desktop phones, mobile phones, and computers. Unified Communications (UC), is the seamless integration voice, video, chat and contact center/IVR apps. This technology can dramatically improve your communication and business productivity. Our software and services allow you to access your account, and seamlessly integrate our high-value cloud communications services.

Calilio is a reliable cloud telephony platform that simplifies business communication with virtual phone numbers in over 100 countries. Launched in 2023, it prioritizes user-friendliness with a simple and intuitive dashboard and application. Even users with minimal technical expertise can easily navigate Calilio's features, which include texting, calling, voicemail, chat, image sharing, and more – all from a single window. Calilio offers affordability too. Their Basic plan starts at just $15/month (or $12 annually) and provides features like a web/app dialer, call filters, history, blocking, forwarding, and more. Business and Enterprise plans offer additional features with customizable pricing based on your needs. Keeping pace with advancements, Calilio integrates AI-powered call monitoring and evaluation features. Gain valuable insights with sentiment analysis to understand customer satisfaction, and use call summaries and transcriptions to easily grasp conversation details and outcomes. Calilio streamlines business communication with a user-centric approach and feature-rich platform, making it an excellent choice for businesses of all sizes.