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Compare the Top Softphone Applications in Japan as of October 2025

What are Softphone Applications in Japan?

Softphone applications are software-based phones that allow users to make voice calls over the internet instead of using traditional phone lines. They run on devices like computers, smartphones, or tablets, leveraging VoIP (Voice over Internet Protocol) technology to transmit audio. Softphones offer a range of features, including call forwarding, voicemail, and conferencing, typically integrated with business communication platforms. These apps require only an internet connection and can significantly reduce costs associated with traditional telephony. With the ability to connect globally, softphones are ideal for remote teams, providing flexibility and scalability for businesses. Compare and read user reviews of the best Softphone applications in Japan currently available using the table below. This list is updated regularly.

  • 1
    3CX

    3CX

    3CX

    3CX is a software-based, open standards IP PBX that offers complete Unified Communications, out of the box. Suitable for any business size or industry 3CX can accommodate every need; from mobility and status to advanced contact center features and more, at a fraction of the cost. Ideal for companies working remotely, 3CX includes mobile apps, video conferencing and website live chat. Installation, management and maintenance of the PBX is so easy that you can effortlessly manage it yourself, whether on an appliance or server at your premise on Windows, Linux or in the cloud. Alternatively you can choose to have it hosted by 3CX for a completely hassle-free solution.
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    Starting Price: Free for up to 10 users
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  • 2
    Squaretalk

    Squaretalk

    Squaretalk

    Squaretalk is a powerful contact center solution that transforms how modern teams connect with prospects and customers, convert sales opportunities, and grow their operations. The combination of AI Voice Agents, calling and WhatsApp Business messaging, AI-powered automation, and affordable scalability ensures that companies of all sizes shorten their sales cycle and elevate outreach without additional complexity or costs. Squaretalk’s platform offers omnichannel communication, powerful call-handling features, automated transcripts, sentiment analysis, contact management, customizable workflows, advanced reporting, and enterprise-grade security. With local numbers in over 150 popular and niche destinations, we enable businesses to establish and maintain a local presence, build trust, and support their global expansion. Discover how Squaretalk’s cloud contact center platform can enhance your team’s connection rates and performance.
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    Starting Price: $25/month/user
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  • 3
    CallTrackingMetrics

    CallTrackingMetrics

    CallTrackingMetrics

    CallTrackingMetrics is the only SaaS platform that uses call tracking and conversion intelligence to inform contact center automation—resulting in a more personalized customer experience. Discover which marketing campaigns are generating leads and conversions, and use that data to automate call flows and power your contact center. Unify communications across your entire organization with our phone, text, online form, and live chat tools. More than 100,000 users around the globe trust CallTrackingMetrics to manage communications for their marketing, sales, and service teams. Call tracking features include reliable dynamic number insertion (DNI) for session-level attribution, local, toll-free, and vanity tracking numbers, and omnichannel attribution across calls, texts, form fills, and chats. Key contact center features include a browser-based softphone, smart routing options, SMS campaigns, automated call scoring, and smart dialer functionality.
    Starting Price: $79 per month
  • 4
    Insider Telecom

    Insider Telecom

    Insider Telecom

    Get a business phone system without breaking the bank! We help small businesses in the United States get access to big business tools, while keeping prices within reach. In fact, with Insider Telecom, we provide the equipment as long as you need it. Enjoy features like caller ID, call forwarding, conference calling, intercom, auto attendant, and many more! No big upfront purchase for a complete business phone service. That's the Insider Telecom difference. Our support team knows that you probably don't speak "telephone." So they're trained to listen for and understand the root of your specific need - from training and configuration, all the way to fitting you with a different phone system. We want to be sure you're working with the right platform.
    Starting Price: $17.95 per user per month
  • 5
    Thirdlane

    Thirdlane

    Thirdlane

    Thirdlane is a scalable UCaaS platform that blends multi-tenant PBX, Contact Center, and collaboration apps into one solution. MSPs, Enterprises, and telecom providers adopt Thirdlane when they want freedom of deployment, deep integrations, and reliable control over their communications stack. Whether your team prefers cloud-hosted services or on-premises deployments, Thirdlane adapts to your strategy. IT departments appreciate the API-first design, while business leaders value the ability to cut costs and avoid lock-in. Core benefits: - Enterprise-grade PBX with calling, video meetings, voicemail, and advanced routing. - Unified Thirdlane Connect apps for chat, video meetings, and file sharing. - Built-in Contact Center - Advanced analytics to improve service and sales. - CRM integration for context-rich customer interactions. - White-label branding across all user touchpoints. - Options for geo-redundancy and high availability.
  • 6
    Zadarma

    Zadarma

    Zadarma

    Powerful Cloud Telephony for Global Businesses Zadarma offers a feature-rich VoIP platform designed for businesses that want flexibility, scalability, and professional communication without high costs. Set up your cloud PBX in minutes, manage international teams, and serve customers worldwide — all from a single interface. Key features: - Virtual phone numbers in 110+ countries - Free cloud PBX with IVR, call routing, and analytics - Integration with CRMs: HubSpot, Zoho, Bitrix24, and more - Apps for desktop, mobile, and browser-based calling - AI-powered voice agents and call tracking - Full control via web interface and API Ideal for remote teams, support centers, and growing companies looking to modernize their phone systems.
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    Starting Price: $2/month
  • 7
    Adversus Dialer
    Adversus is an outbound dialing solution that helps you streamline your call strategies, automate manual processes, and provide valuable insights to improve your outbound workflows and efficiency. Adversus was born in 2015 after our founders experienced a lack of flexibility with the solution they worked with. The dream was to build an outbound solution that would change the game․ We believe in user-driven innovation, and we acknowledge that every single user has different needs and demands. We provide a solution that incorporates flexibility and customization to every aspect of the workflow. At Adversus, our primary focus is to have a future-proof solution that never falls behind. We do not just want to adapt to the market but instead push the boundaries of what is possible. Adversus is used by businesses in a wide range of industries, with the common goal to make their outbound call activities more efficient. The size ranges from one to several hundred end-users.
    Starting Price: $150 per user per month
  • 8
    Qubicles

    Qubicles

    Qubicles

    We possess all the features needed to run an enterprise contact center or a 5-agent work-at-home business. Our patent-pending blockchain-based solution includes on-demand staffing, inbound, outbound, live chat, quality assurance, drag-n-drop scripting, advanced reporting, and more. Open APIs and an elastic infrastructure that can quickly scale to meet the most demanding program requirements also come standard. All the features needed to run your contact center, at an affordable price. Agents earn passive income in the form of Qubicle (QBE) crypto tokens by exceeding performance goals. Our built-in university offers candidates to support, service, and sales training to help them qualify for open positions. Includes an easy-to-use cloud contact center software for inbound, outbound and blended operations of all sizes.
    Starting Price: $0.02
  • 9
    Exelysis Contact Center
    Exelysis Contact Center is a contemporary telecom framework providing advanced features, improving the reliability of communication. Exelysis, through group based routing, allows the intelligent distribution of calls and the optimal utilization of agent resources. With Exelysis Contact Center, each call can be multiply tagged based on its characteristics, allowing for fine grained handling. An agent group acts like the bonding agent between calls and handling agents. Groups can abstract skills, departments and campaigns, providing great flexibility when modelling the call routing scenarios. Groups can be bundled in sets, allowing more complex scenarios to be implemented. Queueing of calls is performed dynamically, based on the call’s characteristics. Priorities allow for delicate tuning of call handling order, and advanced features like priority levels allow assigning important calls to agents concurrently with their streamlined workload.
    Starting Price: 50e
  • 10
    Contact Cloud

    Contact Cloud

    Bipath Software

    The fastest and most cost effective way to connect marketing channels to sales teams, while supporting customers. Get rid of manual, repetitive tasks. Implementing automated routing and workflows for your routine calls and activities frees up your marketing, sales, and support teams to act strategically instead of getting bogged down by manual tasks. Eliminate the disconnect between you and your customer. One line of Contact Clouds' tracking code on all the pages of your site does all of the work. No custom URLs or tags needed. Tracking code will instantly recognize the channel and geographic location visitors are coming from and show them the correct phone number. Ensure critical actions take place while conserving your agent resources. Use triggers to define logic and create a unique workflow for your team that routes callers how you want, based on events or actions taken by you or your caller.
    Starting Price: $0 per company
  • 11
    3CLogic

    3CLogic

    3CLogic

    3CLogic transforms customer and employee experiences with its patented and award-winning AI-powered cloud contact center solutions purpose-built to enhance today's leading CRM and Customer Service Management platforms. Globally available and leveraged by the world's leading brands, its offerings empower enterprise organizations with innovative capabilities, such as intelligent self-service, Generative AI, Voice AI, agent automation & coaching, and AI-powered sentiment analytics — all designed to lower operational costs, maximize ROI, and deliver better, faster, and more personalized interactions for IT, employee, and customer service.
    Starting Price: Contact for a quote
  • 12
    Ringover

    Ringover

    Ringover

    ingover Group is a European SaaS software publisher and telephone operator since 2005. A true expert in business telecoms, since early 2018 it has been offering Ringover, a voice - video - chat - SMS and call centre communication solution, 100% cloud and trusted by 10,000 users. Integrable with business apps and offering real-time statistics, Ringover makes it possible to manage business communications in just a few clicks. Our keys: end-to-end technological expertise, a user-friendly interface and full support at every stage. With Ringover, your business communications are possible anywhere in the world via PCs or smartphones. A standard internet connection is all you need!
    Starting Price: $44.00/month/user
  • 13
    nexogy

    nexogy

    nexogy

    From phone systems & texting to internet access & video conferencing, nexogy® centralizes the way your business works. Manage messages over different channels and reply immediately. With automated responses, shared documents, and more, you can get it ALL done. Communicate from your smartphone with all the features of your phone system. With a clear commissions structure, you'll provide clients with a simple and effective tool they'll love, which will encourage them to stay longer. Best High-speed bandwidth prices nationwide that allow businesses to perform large data transfers and stream voice/video applications. Improving quality on company-wide communications requires your supervisors to be able to record, monitor and coach agents, or even intercept active calls to speak with both the agent and caller (barge-in).
  • 14
    101VOICE

    101VOICE

    101VOICE

    101VOICE offers end-to-end cloud communication and secured connectivity solutions that keep your organization securely connected at all times, creates flexibility, and increase operational efficiency. 101VOICE is a leading Unified Communications as a Service provider with extensive experience serving the Government and Education sector. Our award-winning, leading cloud telephony platform has all the traditional features and functions you expect, plus unique and special purpose tools and features for greater and enhanced value. Our service is rich in features and offers scalability virtually without limitation, delivered with dramatic cost savings.
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