Best Business VoIP Providers in Japan - Page 4
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Compare the Top Business VoIP Providers in Japan as of November 2025 - Page 4
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1
SessionCloud
SessionTalk
SessionCloud is a powerful platform for building softphone applications. We have a solution for you whether you are a startup ITSP with just a hundred users, a more established VoIP provider or a PBX vendor supporting multiple companies. When you first login to your SessionCloud account you will be presented with the main Projects view which will be empty. Tap the 'Create App' button to start. Select a plan and then choose a name for your app, please note this cannot be changed later and will be used to identify your project throughout the portal. The main project view will show the newly created project. All projects will be listed here together with the status. To start customising select 'Edit' from the Actions menu on the right hand side. In the Project detail view there are a list of categories. Depending on which Plan was selected this category view will differ.Starting Price: $13 per month -
2
BetterVoice
Voyant
Everything you need in a Business Class phone system. No hardware or additional services required. Set up only takes 5 minutes! You can be set-up in less than 5 minutes! We walk you through the simple process. You can make outbound calls from any of your numbers using our Mobile app or Web Dashboard. Calls can be automatically forwarded to team members when you can't answer your phone. Team members can share a voicemail inbox so calls can be responded to faster. Voicemail transcripts save you time when relaying information to other team members and assistants. Transcripts can easily be imported into your CRM or emailed. Automatically respond to inbound text messages that contain certain keywords. Want to use a soft or VoIP phone with Better Voice? Go ahead! You can easily configure SIP Extensions in your account.Starting Price: $20 per month -
3
BDM Voice
BDM Voice
With so many options to choose from, finding the right telephone system for your business can be overwhelming. If you have time, read on to learn about different options. If not, get in touch and our specialists will work with you to find a suitable solution that meets your needs. BDM offers a different approach to telephony. Dependent on your specific business needs, including company size, location, remote working practices, number of sites and available network connections, we will advise of the most suitable solution that meets these needs. Sometimes called Cloud Telephony, IP Telephony or VoIP (Voice over Internet Protocol). Hosted Telephony simply connects to a data network so requires less hardware. You can still have a familiar desktop handset, or you may prefer to use a desktop PC with a headset, or just a smartphone device – or sometimes a combination of all three! -
4
Sugester
Sugester
Sugester is a powerful and efficient helpdesk for your business. Stop losing customers due to long response times. Sugester helps you collect and sort through incoming messages, assign team members to deal with each question and monitor their resolution. Providing stellar customer support has never been so simple. Cut down on helpdesk costs by helping your customers help themselves. Sugester makes it easy to share how-to's, FAQs and solutions to common problems. Not every issue requires the involvement of your team. Publish help materials online to save money and provide a 24/7/365 support channel. A good helpdesk has to monitor customer communications across all channels. With Sugester no customer question will fall through the cracks again: everything is collected and presented to your team on a single, clean page.Starting Price: $9 per user per month -
5
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 -
6
Alliance Phones
Alliance Phones
Alliance Phones provides Hosted VOIP Systems for small & medium businesses. We perfectly understand the needs of our customers. We do not sell services to residential clients. That means that our customer service is always there, dedicated to help you with any issues that you might experience. We own our technology. Many other companies just resell you solutions based on platforms that they do not own. That means they will not be able to troubleshoot some of the problems that you might experience. Since we own our platforms, we are dedicated to maintain and upgrade them on regular basis. Includes features such as caller ID management, call control based on inbound number, call forwarding control, call hold, extension transferring, blind transfer, call routing, caller ID, online fax, speed dial, intercom, message waiting, call waiting, paging, dial by extension, dial by name directory, custom greetings, call block, direct inward dialing and more.Starting Price: $19.97 per user per month -
7
Zero
Zero
Zero unites all your enterprise voice, video and messaging into a single, mobile ready, cloud platform designed for the modern workforce. Integrate all your business communications with Zero’s all-inclusive platform. Multi-level auto attendant, ring groups, business hours, voicemail and much more. Instant provisioning and activation of phone numbers in over 50 countries. Eliminate the cost of mobile and internal calls inside your company with our free VoIP apps. Host conference calls with up-to 40 participants and video meetings with up-to 6 participants. Accelerate team communications with secure one on one and group messaging. Simultaneous ringing, call transfer, three way call, hold, call recording and more. Make and take calls from your PC, mobile or desk phone using your business phone number. Access your voicemail, enterprise messaging system and conferencing service anywhere.Starting Price: $8 per user per month -
8
NextOS
Nextiva
The NextOS platform unifies five business tools on one single screen: CRM, phone service, live chat, surveys, and analytics. This empowers users to seamlessly manage their communication tools with one log in and one account. NextOS utilizes machine learning and artificial intelligence to give your business a holistic view of each customer, making it the most intuitive platform on the market. Know how customers feel at any moment by tracking every interaction with your business. Share customer information in real-time across your entire business to empower everyone to make better decisions. Use personalized automation to make everyone feel special. Put a system of automated actions and notifications in place to engage customers at the right time with the right message. Exceed customer expectations without doing any extra work.Starting Price: $35 per month (billed annually) -
9
banter
banter.io
Why do business phone lines cost so much? Get a business phone line starting at $4.99/month. Add a business line to your personal phone, so you can do business on the go. Get a robust and reliable business phone system without wasting money on unnecessary office phone systems. Keep your personal number private and receive business calls through your smartphone using the mobile app. banter differentiates business calls from personal so you can always make the right impression. Get your business calls sent straight to your cell phone. No expensive phone system required. You can make a call using your desk phone, PC or smartphone. Ease of integration, progressive technology, and a simple interface is what makes us stand apart from the rest. We offer the most sophisticated VoIP system that is simple to operate. Always get notified of your incoming calls on multiple channels. Integrate multiple communication channels with banter for faster interactions with your potential customers.Starting Price: $4.99 per month -
10
Bandwidth
Bandwidth.com
You want the best quality voice, messaging, and more. To get them, you need the only API provider with its own nationwide network. You can eliminate the middleman, save on costs, give yourself more control, and build the application that your customers are craving. You’re not new to this, but you need a partner to help you reach the scale you know you’re capable of. Whether you’re bringing your own carrier or building your own solution from the ground up, Bandwidth has the tools you need to reach your maximum potential. Bandwidth is a communications platform with limitless flexibility. You need integrations, enterprise-class APIs, and tools to manage your communications stack intelligently. We are open where you need it the most, with optionality and control. Our global network is directly connected to where it matters most. Giving unmatched reliability. Bringing your customers closer. Scaling wherever your business takes you. -
11
VCC Live
VCC Live
VCC Live is an Enterprise Cloud Contact Center software provider that for more than 10 years has been consolidating its presence internationally as a reliable business solution for companies dealing with wide-range customer communications through a variety of channels, including Phone, SMS, Email, Webchat, and Social media. Know more about our solution: https://vcc.live/Starting Price: $45 per month -
12
Yo Telecom
Yo Telecom
Much like how your smartphone is more than just a device for making and receiving calls – Yo telephone systems are packed with cutting-edge features that not only increase your communication efficiency, but also maximise your customer experience. From feature-rich business phones to user-friendly marketing tools, all of our services are chosen to help increase your business’ success. Our business telephone systems are more than just a business landline… Track your missed calls, integrate your CRM on your PC with your business phones, and automatically record all calls in the cloud. Handle cordless calls from anywhere on site with 100% coverage guaranteed. -
13
Diabolocom
Diabolocom
For 20+ years, Diabolocom has redefined customer engagement. Our cloud-based Contact Center as a Service (CCaaS), powered by our proprietary generative AI, provides the smart automation, reachability, and insights today’s customer service and sales teams need. From real-time transcription and satisfaction analysis to next-best-action recommendations, our AI Assistant seamlessly supports each customer interaction for faster resolutions. Diabolocom combines native AI for CX with telecom services to deliver a unique, hyper-customized telephony experience. By automating routine tasks, your teams focus on what truly matters—driving customer loyalty and growth. We integrate smoothly with CRMs like Salesforce, Oracle, and Microsoft, giving teams full visibility to fuel business growth. Industry leaders like Mitsubishi Electric, Nikon, and Brinks trust Diabolocom for customer experiences that stand out. -
14
Call Simplified
Priority Reply Networks
Call Simplified is a mobile device app that helps healthcare providers respond to urgent after hours patient messages in a more effective and safe manner. Traditional "On-Call" services for physicians are inefficient, expensive, and out-dated. Call Simplified solves these problems and is the most accurate, convenient, and HIPAA-compliant way to manage call. Reduce the effort of taking call and increase convenience for your patients using modern web enabled services. Our secure iOS and Android App ensures patient messages reach the on-call Provider and prioritizes the most urgent requests. Providers can document and respond to patients—often without making a single call. Let us improve your after-hours life! Take Call without leaving your family, dinner or a movie. No more multiple calls to complete a single request. Collect and verify required patient information with convenient online forms or telephone prompts.Starting Price: $100 per month -
15
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 -
16
Vonage SIP Trunking
Vonage
Vonage SIP Trunking makes it easy to connect your existing PBX system to the world in minutes. Still planning around peak traffic? Not anymore. Scale up or down with virtually unlimited capacity, save on costs with per-second billing, and easily go global. Link your PBX infrastructure to the cloud and work faster, save money, and avoid traditional capacity restrictions. Power your contact center with SIP connectivity to avoid carrier and contract management in multiple countries. Accept global inbound calls through the cloud. Send outbound calls anywhere with Vonage local phone number support. Enjoy easy-to-use developer tools to extend calls into the cloud, which adds SIP connectivity to your voice applications. Instantly connect your PBX to the telephone network and scale up and down on command. Connect your company to 7 billion people across 225 countries and over 1,600 telecommunications networks. Forgo capacity planning and scale up or down as required by your business. -
17
Circle Loop
Circle Loop
Modern-day business communications that you can set up within a matter of minutes! Professional business numbers, features and calling in a powerful desktop application. Everything you expect from a business phone system and more! Call recording, voicemail transcription, team and menu structures in a powerful desktop application. Seamlessly integrate CircleLoop with the other tools you use every day! Sync contacts, log activity and increase productivity. Whether you’re an investment bank, a financial advisor or a financial services provider, a powerful communication tool can make the difference between success and failure. That’s where CircleLoop comes in. With many making the shift to working remotely, and that shift looking likely to be permanent for many, it’s important that your teams are still complying with their recording obligations, and CircleLoop can help.Starting Price: 6.55 per month -
18
peachcomm VoIP
Peachcomm
With PeachComm, your business can choose the industry-leading Cisco Webex platform that is leading digital transformation and communication innovation. We’ve been a proud, certified partner since 2001. Dedicated communications specialists start with your business in mind to create a customized phone system that works with your unique needs. From desktop phones to receptionist consoles to call center phones, we have a model that meets your business needs. PeachComm has proudly been a Cisco partner (formerly BroadSoft) since 2001. Cisco takes customer security very seriously investing in technology and creating innovative solutions to ensure your business is protected. No counting minutes with our unlimited calling for all of users. Connect with business applications and other cloud services. Desktop, Tablet and Smartphone applications for PC and Mac. Answer calls 24/7. Provide personalized messages & route calls.Starting Price: $19.95 per month -
19
Velocity Voice
Velocity Voice
Big business phone systems on a small business budget that are feature rich and designed to enhance the professionalism of your business, increase your productivity, and overall customer satisfaction. Our state of the art system is easy to manage with no licensing fees, upgrade fees, or additional costs for features. Take your business communications to the cloud today and enjoy all of the benefits of an on-premise phone system while maximizing flexibility and reducing costs. Gain access to advanced calling features with no upfront costs, no equipment to purchase, and no long term contracts. Our advanced Cloud PBX platform is powered by geo-redundant infrastructure and backed by a 99.999% up time guarantee!Starting Price: $15 per user per month -
20
CompletePBX 5 IP PBX
Xorcom
Virtual IP PBX (Private Branch Exchange) or Phone System Appliance – CompletePBX is the heart of Xorcom hardware and software phone systems. Built on top of the solid Linux and Asterisk platforms, it’s built for stability and performance. CompletePBX was designed from the ground up to combine ease of use, advanced features and security at every level. Download free, fully functional CompletePBX 5 VM – evaluation virtual machine now! Check out our FREE online certification training course that will take you step by step through all the basics of CompletePBX system. Save a lot of time and effort by trying to go at it alone. Let us help you get there faster. -
21
SIPTRUNK.com
SIPTRUNK.com
SIPTRUNK.com makes it easy to become a SIP trunking reseller. With our reliable, high-performance network and powerful software tools, you can begin earning commissions and saving money for your clients in no time. Our easy-to-use control panel takes the hassle out of getting customers up and running. We do the heavy lifting so you can resell SIP without becoming an expert. We don’t require any contracts or up-front costs.There’s no hardware to buy and we handle taxes, billing and support. You focus on growing your business. Earn money every month that your customers stay on the service. Every customer you add increases your automatic monthly recurring revenue stream. In North America, 45% of businesses are already using SIP trunking with an increase to 67% predicted by the end of 2017. That means that this year many of your customers will be switching to SIP whether they can get the service from you or not. It’s no wonder that SIP trunking is so popular with businesses. -
22
Ecosmob
Ecosmob Technologies Pvt. Ltd.
Ecosmob offers market-leading expertise and solutions to power businesses across the world implementing trending technologies. Modernize your network with customized solutions that are highly advanced and cost-effective. With extensive expertise in Open Source telephony development, Ecosmob provides innovative VoIP services tailored to suit your business needs. Create interactive, scalable, and robust web applications using the most advanced tech stacks and frameworks. Take your business to the next level with a responsive website designed to be user-friendly and set your brand ahead of your competition. Expand your digital reach and target a wide spectrum of customers via mobile application development services. We build customized, highly scalable, and robust mobile applications to match your business requirements. Unlock new business possibilities and opportunities with AI and ML technologies.Starting Price: Custom -
23
CallHarbor
CallHarbor
CallHarbor offers small and medium-sized business phone & UCaaS systems. Our platform give you statistics on your employees, integrates with your existing applications, and allows you to access full functionality even when out of the office. We are so much more than just in and out calling. CallHarbor works with businesses in diverse industries and continually provides industry leading systems to streamline workflow in communication. CallHarbor offers leading mobile and web apps to allow you to work on the go. From making calls on your desktop, to checking your voicemail in your email, we have it all. CallHarbor does not limit the amount of Queues, Auto-Attendants, Parking Lots, or Users your system can have. This makes it easy to start small and grow big. We're with you every step of the way. We have reliable geo-redundant data centers so that you don't have to worry about a dropped call. We offer 25+ world class features with your original plan, and give you one great flat rate.Starting Price: $18/month/user -
24
magicApp
magicJack
Take your magicJack home phone service with you on-the-go. With magicApp Companion app, you can have your home phone and smartphone ring simultaneously! It works just like using your magicJack service at home. Plus get unlimited text messages to any U.S. mobile number. magicApp Companion App is FREE - included with your active magicJack device service. -
25
SoundCurve
SoundCurve
Affordable business phone service. No need to buy phones - use our phones, on us. We'll even ship them to you for free. No commitment required. Every feature you need to create a polished image for your business: Auto Attendants, Ring Groups, voicemail transcriptions, Professional studio recorded Greetings and MUCH more. Get a dedicated, U.S. based account manager who learns your business' needs and sets up your phone system the way you want it. Our desk phones work anywhere an internet connection is available. Use mobile apps to make and receive calls without a desk phone.Starting Price: $14.99 per user per month -
26
Avaya Cloud Office
Avaya
Avaya Cloud Office is a cloud-based unified communications solution that combines voice, video, messaging, meetings, and collaboration tools into a single platform. It seamlessly connects office, remote, and mobile workers across multiple devices, ensuring smooth and consistent communication. With features like business phone numbers, voicemail transcription, team messaging, and document sharing, it enhances productivity and collaboration. The platform also prioritizes security with encryption and integrates with over 100 business applications, including Salesforce, Office 365, and G Suite, helping businesses streamline workflows and improve efficiency.Starting Price: $19.99/user/month -
27
Telavox
Telavox
Collaborate with colleagues. Engage with customers. Any channel. Any device. Anywhere. Telephony, PBX, messaging, meetings, and contact center in one simple platform. Reach out and engage with customers and colleagues. Empower your workforce with the right tools. One app for both customer engagement and collaboration with colleagues. Agents can work remotely without compromising a great customer experience. Get work done with one simple app for calling, messaging and meetings. Avoid distractions and collaborate in real-time. Use smart features to let colleagues know when you're available, and when you're not. Stay connected, stay productive. Fixed and mobile telephony, and PBX. All your voice communication needs in one place. Any device, any platform. Regardless of where a call happens - over cellular, PSTN or the internet - the experience and features are the same. -
28
Voiso
Voiso
Voiso is an advanced cloud-based contact center solution, allowing to easily start, scale, and run your contact center while improving business metrics and customer experience. A complete set of contact center capabilities includes local calling experience, smart auto-dialers, AI-powered speech recognition, agent management features, omnichannel support, answering machine detectiion, and much more. By combining it with ready-to-use integrations with major CRM and helpdesk systems, Voiso helps scale your communications, reach your customers even in the most regulated countries, and grow your business globally.Starting Price: $49 per user per month -
29
AT&T Office@Hand
AT&T
A flexible cloud-based solution that provides voice, fax, text messaging, and audio and video conferencing so workers can be more productive in the office or on the go. Let employees work virtually anywhere from smartphones, tablets, softphones or desktop IP phones and enhance their ability to connect with their customers. Utilize just one number to connect callers with the right person to help ensure your customers can always reach you. Leverage instant local numbers, toll-free access, internet fax, and time of day service. Take advantage of a single solution that provides video meetings and online collaboration. Avoid maintenance, software, setup, and support fees, and CapEx with a cloud-based service. Enjoy an easy-to-use phone, fax, messaging and conferencing system that lets you spend more time serving customers, not managing communications. Get up to 3 company numbers for your business: a local main number, a toll-free number, and a local number for faxes.Starting Price: $25.40 per month -
30
JOONTO
Joonto
Say bye-bye to your office phone system. Today the office phone system has become a glorified phone forwarding machine, sending office line calls directly to user’s mobile phones. So this begs the question: why do we still have office phones and company phone lines? JOONTO approaches the entire virtual phone platform uniquely. Rather than creating third-party apps that are clunky and rarely used by reps in the field, JOONTO brings the power of every office business phone system feature directly to your users’ native mobile phone dialer and text message application. JOONTO literally converts all the mobile phones used by your employees and mobile workforce to a fully-functional, scalable office phone solution; without clunky apps or dialers! Whether you’re traveling, a road warrior, or simply telecommuting; JOONTO allows users to utilize their mobile devices as their primary office line without compromising the functionality found in each phone’s built-in native phone dialer.Starting Price: $4.99 per user per month