List of the Top 25 Telephony Software in Japan in 2025

Are you in the market for a modern phone system? CloudTalk.io presents an advanced cloud-based phone solution tailored for small and medium enterprises, startups, and online retailers. It is also compatible with both sales and customer service call centers, enhancing their operational efficiency. With over 25 integrations available for popular CRM, helpdesk, and e-commerce platforms such as Shopify, Salesforce, and Pipedrive, you can easily connect your existing tools. Additionally, our dedicated 5-star customer success team is committed to ensuring a smooth transition, whether you’re migrating from another system or establishing a new cloud call center from the ground up. Our rapid growth is evident, as we have formed successful collaborations with more than 1,000 companies globally, including renowned names like DHL, Yves Rocher, and Karcher. Plus, you can try CloudTalk risk-free with a 14-day trial that doesn't require any credit card information, allowing you to explore its features without commitment. Experience the benefits of an innovative communication system today!

3CX is a versatile, software-driven IP PBX built on open standards that delivers comprehensive Unified Communications straight out of the box. It caters to businesses of all sizes and across various sectors, offering a full suite of features that range from mobility and presence indicators to sophisticated call center functionalities, all at a significantly reduced cost. This platform is particularly well-suited for remote work environments, featuring mobile applications, video conferencing capabilities, and live chat integration for websites. Installation, management, and maintenance of the PBX are straightforward, allowing users to easily handle it themselves on their own hardware, a dedicated server, or via a cloud environment. Alternatively, users can opt for 3CX's hosting services to simplify their setup even further. With its user-friendly design and extensive feature set, 3CX empowers companies to enhance their communication strategies effectively.

Introducing the T-Max Predictive Dialer, a versatile CRM dialing solution that supports unlimited calling and free trials, making it perfect for teams involved in debt collection, marketing, and sales activities. This innovative dialer empowers users to connect with numerous live contacts simultaneously by dialing up to five numbers at once, enhancing efficiency and productivity. The automated functionality of the T-Max Predictive Dialer significantly minimizes issues like busy signals, misdialed numbers, or lack of responses, ensuring that recipients are directed to a live agent with their very first attempt. Furthermore, managers can utilize monitoring features to listen in on calls, intervene for quality assurance purposes, or effectively conclude conversations when necessary. In addition to its predictive dialing capabilities, this hosted auto dialer VOIP phone system incorporates a range of features such as a preview dialer, power dialer, SIP phones, webphones, voicemail drops, and local caller ID. Our offerings also extend to Voice Broadcasting AutoDialer Trials, making it a comprehensive tool for communication needs. Notably, T-Max Predictive Dialer seamlessly integrates with various CRM platforms, including Salesforce, Zoho, and Monday, ensuring flexibility and ease of use for all types of businesses.

You can obtain an effective business phone system without breaking the bank. At Insider Telecom, we simplify access to advanced tools for small businesses across the United States. We provide the necessary equipment for as long as you require, allowing you to take advantage of essential features such as caller ID, conference calling, call forwarding, and intercom services. Importantly, you won't have to make any upfront investments to acquire a comprehensive business phone system. This is what sets Insider Telecom apart from the competition. Our dedicated support team recognizes that not everyone is familiar with telecommunications jargon, so they are equipped to listen to your unique needs and assist you in selecting the ideal phone system for your requirements. We strive to ensure that you feel assured in your choice of platform and confident in the service you receive. Ultimately, we believe that every business deserves access to top-notch communication tools.

Zadarma provides a business phone solution that eliminates the need for extensive wiring or complex hardware setups. Their services include VoIP, Cloud PBX, CRM functionalities, and website widgets, along with seamless integration with leading CRM platforms. Additionally, virtual phone numbers can be obtained in 100 different countries worldwide, starting at just $2 each month, making it an affordable option for businesses of all sizes. This flexibility allows companies to streamline their communication processes while maintaining a global presence.

PBXware stands out as the original and most prominent IP PBX Professional Open Standards Turnkey Telephony Platform available today. Since its inception in 2004, PBXware has been delivering adaptable, dependable, and scalable Next Generation Communication Systems (NGCS) alongside VoIP solutions tailored for small and medium-sized businesses (SMBs), large enterprises, Internet Telephony Service Providers (ITSPs), call centers, and various governmental agencies across the globe. This achievement is realized by integrating the finest elements of cutting-edge technologies. The Bicom Systems softswitch is offered in several editions, including Business, Call Center, and Multi-Tenant, with each edition designed to support specific features that enhance performance, reliability, and expandability, ensuring users get the most out of their systems. This versatility makes PBXware a preferred choice for organizations seeking robust telephony solutions.

WeChat serves as a multifunctional platform for communication, enabling users to effortlessly send messages and share multimedia content with friends and family, regardless of where they are situated. The app allows you to easily find and connect with others by entering their WeChat ID or phone number, and as soon as your request is accepted, you can start chatting without delay. Through the Moments feature, users can share their favorite experiences via photos and videos while staying updated on their friends' posts. Additionally, WeChat facilitates real-time interactions with its instant voice and video calling options, accommodating both individual and group chats. If expressing your emotions through words proves challenging, a fun sticker can add a light-hearted touch to your conversations. The diverse Sticker Gallery, featuring creations from talented artists around the globe, provides a plethora of free stickers for you to download and use, enhancing the enjoyment of your exchanges. Discover and select your preferred stickers today to make your interactions even more lively! Furthermore, WeChat regularly rolls out new features, ensuring that its user experience remains fresh and exciting. Through these continuous updates, the platform not only meets the evolving needs of its users but also fosters deeper connections among them.

VitalPBX is a comprehensive PBX platform built on Asterisk and designed to operate on Centos 7. This powerful and adaptable platform enables users to effortlessly manage their PBX systems with ease. With an intuitive user interface complemented by helpful tooltips, navigating through the system is straightforward. It is essential for telephony systems to remain vigilant about potential security vulnerabilities and implement measures to mitigate these risks. VitalPBX provides multiple layers of defense to safeguard against cyber threats in the realm of VoIP communications. Moreover, its security features ensure that users can maintain a reliable and secure communication environment.

Our VoIP services are primarily focused on Europe, yet we operate in over 165 countries worldwide. At the core of our offerings is the Premium Plus package, which ensures you receive top-notch quality while enjoying competitive pricing. You can utilize a variety of number types for identification, such as Geographic, National, Toll-Free, UIFN, Mobile VoIP, and Elastic Pool numbers, among others. Additionally, we provide a SoftPhone solution and are excited to soon introduce new Roaming products to enhance your communication experience even further. This commitment to innovation reflects our dedication to meeting diverse customer needs.

AVOXI Genius offers an affordable and user-friendly cloud-based call center software solution. With this web-based contact center, you can effortlessly oversee your business communications. The software seamlessly integrates voice services with your contact center operations. You can also activate virtual phone numbers in over 170 countries. AVOXI Genius is recognized as the top-selling solution globally, with pricing plans beginning at just $19.99 per user. For a limited time, you can take advantage of an offer that includes two months of complimentary service. This makes it an excellent option for businesses looking to enhance their communication capabilities without breaking the bank.

Remote teams can effectively utilize cloud phone systems, and JustCall offers a versatile solution that functions seamlessly on any device, enabling sales and support teams to communicate from anywhere at any time. Users can swiftly acquire phone numbers across 70 different countries and initiate or receive calls within moments. In just a few minutes, you can establish your own cloud phone framework, making JustCall the quickest and most straightforward option for managing your telecommunication needs. Discover how companies leverage JustCall to streamline their phone communications, enhancing agents' abilities to boost sales and conversion rates. Eliminate the complications of manual dialing and data entry, potentially increasing your sales call volume and productivity by as much as 300%. Moreover, with features like IVR and Smart Call Routing, as well as Live Call Monitoring, you can ensure a smooth customer experience. The addition of SMS Bots allows you to provide clients with responsive support around the clock, while automated integrations can connect with various business tools and applications. Utilizing CRM systems, Helpdesk solutions, and other software automation tools, you can create efficient workflows that benefit both support and sales teams, ultimately leading to greater operational success. By implementing these advanced features, organizations can not only improve their internal processes but also enhance customer satisfaction significantly.

VoIP Office stands out as a frontrunner in cloud communication services, enabling effortless connections to individuals globally. Our versatile communication solutions cater to businesses of all sizes across various sectors. As a provider of cloud-based communications, VoIP Office delivers all the functionalities of a conventional PBX while leveraging cutting-edge VoIP technology. Additionally, VoIP Office integrates smoothly with your existing business applications, creating a cohesive system that unifies both your desktop and workplace environments. This innovative approach not only enhances productivity but also streamlines communication processes.

Yeastar CloudPBX (legacy) is an advanced telephone solution tailored for small enterprises, providing a future-proof option for communication needs. With Linkus UC Clients, users can effortlessly engage in remote work and improve call handling across various devices. The hosted deployment eliminates the need for initial hardware investments, significantly reducing management overhead. Yeastar's hosted system is user-friendly and offers a wide range of compatibility features, ensuring that any transitions or upgrades occur smoothly. It's important to remember that the Yeastar P-Series PBX System has replaced the old Yeastar Cloud PBX, bringing along enhanced call center functionalities and integrated communication capabilities for users. This evolution makes it an even more attractive choice for businesses looking to streamline their communication processes.

We drive human progress through teamwork, connectivity, and advanced communication technologies. Every aspect of business revolves around people, and when tailored technology enhances human creativity, both individuals and organizations flourish. Teams that excel accomplish greater feats, reach higher goals, and experience increased success. Organizations become more agile, efficient, and adaptable to change. Our team is dedicated to simplifying technology and keeping it affordable. Our passion for our work is evident in how we collaborate with you, starting from our initial discussion and continuing with ongoing support after installation. Serving over 30,000 customer locations across more than 65 countries, we provide clear, secure, and scalable global managed services along with sophisticated collaboration and communication solutions. Let's work together to enhance your human potential and foster innovation. By combining our expertise with your vision, we can create remarkable outcomes.

The word "Free" in FreePBX embodies the concept of Freedom, underscoring that FreePBX is the foremost open-source IP PBX solution worldwide, which enables users to design a tailored phone system that aligns with their unique needs. Delve into the possibilities of open-source communication and investigate the wide array of features offered by FreePBX that assist in building your perfect phone system. By incorporating commercial modules from Sangoma and a variety of other enhancements, you can transform your FreePBX setup into a robust Unified Communications platform. Remember to consult the Knowledge Base on the FreePBX Wiki for further information! Alternatively, seeking support from FreePBX experts can aid you with installation, updates, troubleshooting, and additional services. FreePBX is accessible for free download and usage, and its strength is bolstered by a global community of developers committed to ensuring its high compatibility and flexibility, which guarantees it encompasses all necessary functionalities required to establish a scalable business phone system for any budget. This community-driven approach not only promotes innovation but also ensures ongoing advancements, solidifying FreePBX as a dependable option for diverse communication requirements. With its extensive resources and community support, users can continually enhance their experience and capabilities.

Telzio provides VoIP phone systems tailored for businesses, serving leading organizations worldwide. As a premier cloud-based phone solution, Telzio guarantees exceptional uptime and offers a wide array of features alongside an intuitive interface that simplifies the setup process. Users can access toll-free numbers, efficient call center routing, real-time analytics, call insights, and numerous additional functionalities. One standout aspect of Telzio is its innovative usage-based pricing model, which can help businesses lower their monthly telecommunications costs by an average of 30%. The service includes unlimited users, the ability for simultaneous calls, and call recording, along with voicemail transcription capabilities. Moreover, Telzio ensures that assistance is readily available with its 24/7 customer support service, providing peace of mind for businesses at any hour.

Introducing an unparalleled UCaaS solution designed to drive the success of Service Providers. This white-label platform is fully customizable, enabling you to set your brand apart and stand out in a competitive marketplace. KAZOO, the comprehensive UC platform by 2600Hz, provides the flexibility required to ensure an exceptional communication experience for your users. Your clients will benefit from seamless and efficient communication with you. With access to over 300 APIs, you can tailor solutions specifically for your clients, enhancing their operational efficiency. Establishing and sustaining brand recognition in the industry is simplified with the ability to white label your offerings. Starting your journey is quicker and more affordable with minimal upfront investments. Your clients will enjoy constant connectivity, backed by reliability and geo-redundancy, allowing them to access their business from anywhere, at any time, through mobile devices. KAZOO's multi-tenant architecture opens up various sales channels, enabling you to choose between engaging resellers, adopting a direct approach, or implementing an agent-based model. This flexibility not only enhances your business potential but also positions you strategically in the evolving communication landscape.

VoipNow is a comprehensive Cloud communications solution that offers essential features for service providers and organizations, including a powerful enterprise PBX system, voice and video capabilities, presence management, instant messaging, and conferencing tools. This platform ensures seamless communication and collaboration within businesses of all sizes.

Toky is a comprehensive Business Phone System designed to facilitate smooth communication between customers and employees alike. With just an internet connection, you can stay connected from virtually any location around the globe. The system provides virtual phone numbers, ensuring you are reachable no matter where you are. Additionally, it allows for seamless integration with your CRM and other business tools, enabling you to call customers with a single click while automatically recording all relevant details. Known for its reliability and cost-effectiveness, Toky offers a range of features, including call recordings, SMS, speech-to-text capabilities, and voicemail management, making it a versatile choice for businesses. This combination of features ensures that you can maintain effective communication and streamline your operations efficiently.

CloudCall stands out as the sole communications platform specifically tailored for companies utilizing CRM systems. It enhances decision-making by recording all calls and communications, seamlessly integrating them into CRM contact records, which empowers businesses to maintain oversight of remote teams and boost productivity significantly. This unique approach ensures that teams can operate efficiently, regardless of location, while also fostering a more insightful understanding of customer interactions.

Asterisk is a dynamic open-source framework that facilitates the development of a variety of communication applications. It enables a standard computer to function as a powerful communications server. Asterisk is integral to IP PBX systems, VoIP gateways, conference servers, and many other customized solutions. Its user base includes small businesses, large corporations, call centers, telecom operators, and government entities around the world. Provided free of charge, Asterisk is backed by Sangoma's support. Currently, there are over a million Asterisk-powered communication systems in operation across more than 170 countries. Notably, virtually all companies within the Fortune 1000 list leverage Asterisk in some form. Frequently adopted by system integrators and developers, Asterisk can serve as the basis for a complete business phone system or be used to enhance an existing setup or link various systems. Whether you aim to design a bespoke system using Asterisk or are interested in acquiring an effective and affordable turnkey solution, there are numerous options to explore that can help you find the perfect match for your requirements. As it adapts to technological advancements and user needs, Asterisk remains a key player in the evolving landscape of modern communication solutions. Its ongoing development ensures users continue to benefit from innovative features and improved performance.

HoduPBX stands out as an exceptional choice for enhancing business communication. Its distinctive user interface, combined with an optimal user experience, ensures that businesses can interact efficiently with their clients and stakeholders. This software excels in providing seamless connectivity, whether in a traditional office setting or remote locations, thereby facilitating smooth communication. Additionally, HoduPBX enhances agents' productivity through its multitasking features and streamlined operations. As a robust IP PBX solution, it can handle over 1000 concurrent calls and accommodates up to 10,000 extensions, making it an ideal option for diverse business needs. The HoduPBX IP PBX Software is equipped with a range of advanced functionalities, including Add-on Modules, a Reseller Module, SIP Trunking, Queue Pro, Voice Transcription, and Webphone capabilities. Moreover, it supports white label options across various platforms such as iOS, Android, Chrome Extension, Windows, Mac, Linux, and the ZohoPhonebridge Plugin, ensuring versatility and adaptability for all types of users. This comprehensive feature set positions HoduPBX as a leading solution in the realm of business communication technologies.

Cradle enables you to engage with customers in a more personal manner. While it serves as a phone system, its capabilities extend far beyond basic functions. Our innovative features are revolutionizing how companies interact with their clients. Despite having extensive data on your customers, how often does your team actually access the most relevant information? With our seamless integration with HubSpot, all calls can be effortlessly recorded and managed. This integration helps you gain a comprehensive understanding of your marketing return on investment by incorporating insights from traditional media as well. HubSpot empowers sales professionals to monitor their phone interactions alongside their HubSpot metrics. This streamlined approach allows them to prioritize important tasks effectively, ensuring they provide maximum value to your business. We simplify the process of getting started through our three-step onboarding, enabling you to connect with customers swiftly and efficiently! Moreover, our platform continuously evolves to meet the changing needs of businesses in today’s fast-paced environment.

MaxContact is suitable for platforms accommodating anywhere from 6 to over 1000 users. It serves a diverse range of industries, including business process outsourcing and financial services. Many leading companies in these sectors rely on MaxContact as a dependable provider for their needs. This trust underscores MaxContact's reputation in the marketplace, solidifying its position as a key player in various fields.

CompletePBX, Xorcom's core telephone system solution, serves as a Virtual IP PBX (Private Branch Exchange) or Phone System Appliance, integrating Asterisk and Linux to ensure robust stability and high operational performance. Developed with user-friendliness, advanced functionalities, and comprehensive security in mind, CompletePBX is designed to meet the diverse needs of modern communication. You can access a fully functional evaluation of the CompletePBX 5 virtual machine at no cost! Additionally, free online certification training for CompletePBX is offered, providing a foundational understanding of the system that can significantly streamline your learning process. With our assistance, you can expedite your journey to mastering this powerful phone system.