Best Business VoIP Providers in Japan

Dialpad offers companies a contemporary Voice over Internet Protocol (VoIP) solution, eliminating the need for outdated landline systems through a comprehensive, internet-driven communication platform. This innovative service allows teams to engage in high-quality voice calls, exchange SMS and MMS messages, and maintain connectivity across any device, whether it’s a desktop or mobile. As a fully integrated communications platform, Dialpad also features seamless video conferencing, team chat capabilities, and artificial intelligence-enhanced productivity tools. Consequently, it provides a more adaptable and economical option compared to conventional phone systems, enabling businesses to connect with customers on their preferred channels.

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.

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.

Emphasizing a user-friendly approach to Unified Communications, the Yeastar P-Series Phone System provides businesses of any scale with an all-in-one solution for voice calls, video conferencing, messaging, and seamless integrations right from the start.

Genesys Cloud CX is a versatile, cloud-based solution for contact centers that aims to provide outstanding customer experiences through multiple communication channels. With a focus on scalability and adaptability, it merges voice, chat, email, social media, and messaging into a single, streamlined interface. The platform utilizes sophisticated AI and analytics technologies to offer immediate insights, automate routine processes, and tailor interactions, thereby enhancing customer engagement efficiency. Additionally, its strong workforce management features enable businesses to fine-tune staffing and performance while upholding high service quality. Ideal for organizations of various sizes, Genesys Cloud CX facilitates smooth implementation and flexibility, proving to be an excellent choice for those seeking to improve their customer service capabilities. Furthermore, it ensures that businesses can respond to evolving customer needs and technological advancements seamlessly.

Nextiva combines AI, automation, and omnichannel communication into a single platform that transforms customer experience. It empowers businesses to meet customers on their preferred channels—voice, SMS, email, chat, social, or video—while providing teams with a unified interface to manage interactions. The platform’s customer journey orchestration engine delivers real-time actionable insights, allowing companies to anticipate needs and automate key workflows. With AI-driven automation, organizations can increase self-service containment, reduce costs per interaction, and improve resolution rates. Nextiva is also designed to enhance workforce engagement with tools that prevent agent fatigue, streamline collaboration, and boost retention. Its open architecture and REST API foundation ensure scalability, security, and compliance, even in hybrid or regulated environments. Recognized by TrustRadius, G2, and Gartner, Nextiva has become a top choice for organizations seeking both innovation and reliability. By consolidating technology and reducing IT overhead, businesses maximize ROI while unlocking better customer outcomes.

UniTalk offers a wide range services in the area of telecommunications business. These include IP telephony, virtual PBX and call tracking. Callback buttons and widgets are also available.

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

KrispCall allows you to manage all your telephony needs, whether they are personal, business, or corporate, using one app (Web, Android and iOS). You can access international numbers from the comfort of your own home. KrispCall makes it easy to create international numbers for national, local, shortcode and toll-free numbers (for more than 100 countries) in no matter how fast you want. You can easily manage your call logs. KrispCall's unified phonebox allows you to manage and monitor all your business calls, voicemails, and recorded conversations from one place. Call your international clients through their local numbers to earn their trust. KrispCall offers international numbers for your business at an affordable price. Our embeddable widget makes it easy to reach your customers. Clients can now easily call you by clicking on the KrispCall widget embedded in their website.

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).

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.

Smart VoIP Solution for Teams of Any Size Zadarma replaces traditional phone systems with a cloud-based platform that’s easy to configure and use. Whether you’re a freelancer, small business, or global enterprise — Zadarma scales with your needs. What you get: - Local, mobile, and toll-free numbers worldwide - Virtual PBX with call queues, voice menus, call recording - AI Voice Agent and AI-speech recognition and analytics - Connect multiple offices and remote employees - Affordable call rates and flexible pricing plans - Real-time call statistics and recording storage - Support for IP phones, softphones, and browsers No hardware needed — just connect your team and start calling.

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.

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 Standard plan starts at just $15/month (or $12 annually) and provides features like a web/app dialer, call filters, history, blocking, forwarding, and more. Premium 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.

Spectrum Business provides dependable phone services for businesses at a lower cost, enabling you to enhance your business outcomes. This special offer is available for a limited time and may change. New customers can take advantage of a complimentary month, which will be reflected on the second month's bill. Standard installation, taxes, fees, equipment costs, and broadcast surcharges are part of the package, while usage charges and Spectrum Mobile are not included. Additionally, businesses can access U.S.-based support around the clock, every day of the year. Enjoy unlimited local and long-distance calls along with numerous free features. The service is also compatible with most security and point-of-sale systems. There are no contracts, hidden fees, or extra taxes involved. Spectrum Business Phone stands out by providing over 35 advanced calling features at no extra cost with every package, ensuring comprehensive support for all your communication needs. With such flexibility and support, you can focus more on growing your business.

DID Global offers high-quality, efficient premium IP telephony for business and personal communication that allows you to scale quickly and save advertising budgets while increasing sales. We offer our clients attractive rates. Our working principles are based on the common phrase "price equals quality". You can save 60% on your advertising budget if you use local operators. If you call a prestigious local number, your clients will be more trusting. We only use high-quality, stable communication channels. You can switch to a different provider immediately if you lose your connection thanks to channel redundancy. This allows you to communicate with your customers while your business runs smoothly. We offer the best conditions to our customers in over 150 countries.

Our hosted cloud-based PBX provides phone numbers to help you grow your business. Our cloud PBX can be connected to your existing phone or SIP device. Our PBX portal allows you to create complex calling plans and access many other features. No contract required. Save 70% on your current service provider. We will recommend you based on your requirements. Our VoIP solutions are specifically designed for businesses that want a simple, reliable, and extensible solution in a short time. Our powerful Telephony API's allow you to enhance the features of existing products. Both SIP Trunking and Hosted PBX support API calls. It is easy to integrate our robust and powerful API's. We monitor our support lines 24/7 so give us a call or talk to our support team via live chat on our web (https://vndpbx.com). New Zealand: 0 9 8896552 (Auckland) U.S.A.: +1 929 489552 (New York).

CallHippo is a modern Contact Center Tool that allows you to connect with customers. CallHippo is simple to use and offers robust functionality with extensive reporting and seamless integrations that enable sales and service teams have productive conversations with customers. CallHippo is trusted worldwide by more than 5000 companies.

Aircall transforms business communications with an intelligent, cloud-based phone system built for modern sales and customer support. More than just a calling tool, it provides an all-in-one hub that connects phone, SMS, and WhatsApp conversations in a single platform. Its AI Assist Pro feature delivers real-time coaching during calls and simplifies follow-up, enabling reps to sell smarter and resolve support issues faster. Teams can leverage advanced capabilities like call routing, IVR, analytics dashboards, and power dialers to maximize efficiency. With integrations across Salesforce, HubSpot, Zendesk, Intercom, Shopify, and 100+ other apps, Aircall seamlessly fits into existing workflows. Businesses benefit from reliable call quality, international number coverage, and scalable features that grow with their needs. Customer stories highlight improvements such as a 4% increase in CSAT scores and the ability to process 25,000+ calls per month with stability and ease. Aircall makes customer conversations more personal, productive, and impactful—without the complexity of traditional systems.

Hosted VoIP solution with European focus, but presence in more than 165+ countries. Premium Plus is the basis of all our solutions, so you get the best quality at the lowest price. All numbers can be used to identify you, including your Geographic, National, TollFree, UIFN, Mobile VoIP, Elastic Pool, and many other types of numbers. We also have a SoftPhone, and will soon launch other Roaming products.

As high-speed internet becomes increasingly affordable, both homeowners and small business owners are making the transition to VoIP. We make sure our customers have access to the necessary specialists and resources to quickly set up Voiply with all the essential features required by their users. After installation, we ensure that our operations run exceptionally well, consistently supporting our clients and their businesses. Established in 2012, Voiply was created with a clear mission in mind; we recognized a shift in the market and the growing need for companies to communicate in a more efficient manner. Back then, we anticipated that the "Cloud" was not just a temporary trend, but rather the future of communication. This foresight led us to develop a cloud-based unified communication system that leverages the latest technologies. Our goal was to be at the forefront of this evolution, providing exceptional service to SMBs worldwide. Additionally, the Voiply Extra Line app enables users to utilize their Data or WiFi connection to gain an extra phone line, further enhancing communication capabilities. This innovative approach reflects our commitment to continually adapt and meet the changing needs of our clients.

My Country Mobile offers low-cost, easy-to use VoIP solutions that are excellent. Enjoy the following features with a 30-day, risk-free trial of our premium VoIP phone system. Our mission is to enable families and friends to stay connected across borders by leveraging technology and intelligence. We aim to empower personal and professional connections with ease and efficiency. Our team has a wealth knowledge and expertise that allows us to deliver high quality results and exceed clients' expectations. We look forward to expanding our portfolio and growing. My Country Mobile, with its tens of year's experience in developing technologies and solutions that facilitate communication and sharing for businesses and individuals worldwide, has been a leader in the development of these technologies and services.

EveryDay Voip combines phone, video, meetings, and messaging into one reliable PBX system. Our service is designed to keep you connected to your clients from anywhere in the world. It also gives you the freedom to run your business as you please. You can install our apps on your tablet, smartphone, or desktop and enjoy HD-quality web and audio with one-click functionality. Collaboration is made easy with unlimited SMS, team messaging, and more. Next-generation voice services are scalable, secure, and easy to use. EveryDay Voip is a leader in international carrier services. EveryDay Voip offers the best international wholesale solutions to all communication service providers worldwide, with over 1000+ interconnects that range from PTT's and Mobile Network Operators to VoIP suppliers in-country. To ensure proactive dominance, bring to the table win-win survival strategies.

Simplii's click-to-call functionality allows you to seamlessly transition from web browsing to making phone calls with just a single click. Once activated, any phone number displayed in your Chrome browser becomes clickable. Additionally, our Fusion extension ensures that any incoming calls to your phone will appear on any open tab in your Chrome browser. The Screen Pops feature enables you to either answer or decline calls, send text responses, and even manage call transfers or holds directly from your screen. Furthermore, you can jot down notes and contact details within the Screen Pop, and this information will be instantly saved to your contacts. When linked with an integrated Simplii CRM, all relevant data, including call history, call recordings, SMS messages, call dispositions, and notes, are recorded in real-time, synchronizing effortlessly with your CRM. Simply connect your CRM account to Fusion, and you'll see the logs being updated automatically, enhancing your workflow and communication efficiency. This integration not only streamlines your calling process but also ensures that all your interactions are meticulously documented for future reference.

Toll-free and local numbers are available from more than 160 countries. Forward incoming calls from any phone, PBX, or SIP. Our global network offers multiple layers of redundancy. You can make international outbound calls by using any of your business numbers as a Caller ID. Showing a local caller ID will increase your success rate. To make outbound calls, connect our SIP trunks with your phone system. You can easily set up and modify smart calling routing features such as auto-attendant /IVR, location and time-based routing, and simultaneous ringback tones. Custom greetings, call recording, voicemail, and call recording are all possible. You can easily add or remove virtual numbers, modify calling plans, download call detail records and invoices, modify advanced features, and reach technical support 24/7. Contact your account manager.