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Top Rated Business Phone Systems Software with Open source - Page 4

Last updated: October 2026

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156 software options

Soho66 logo

VoIP solution for managing communication

Soho 66 is an award winning cloud-based VoIP solution. With a multitude of features and benefits, this system is perfect for remote working, giving users the flexibility and security they need to operate from any location.

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Kloudtalk logo

Robust and Feature-Packed Cloud-based Business Phone System

KloudTalk is a cloud-based business phone system that offers useful communication and collaboration tools for for small, mid-sized, and large businesses.

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PiPcall logo

Business calls over the mobile network, not VoIP

Mobile+ is a business phone system for field, frontline and deskless teams. Calls are carried over the mobile voice network (GSM/VoLTE), not VoIP. Deploy by SIM, eSIM or the PiPcall app, with business and personal calls fully separated and every user and number managed centrally in one portal.

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InfoFlo Impact logo

HIPAA compaliant case management software

HIPAA compliant Case Management software made simple so you can focus on your running your organization all at an affordable price!

Seamlessly manage all your client goals, referrals, documentation, events, classes, and activities within a single platform—eliminating the need for multiple tools.

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Textr Team logo

Call, and Connect.

Textr Team meets all your business texting & calling needs covered and more with our affordable pricing.

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Aline logo

Cloud-based VoIP phone system

Aline is a cloud-based VoIP phone system, which helps businesses handle incoming and outgoing calls through call routing, recording, shared extensions, live chat and various other functionalities. Other features include customizable caller ID, virtual fax, call transfer, and spam blocking.

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Intulse logo

VoIP business phone system for organizations of all sizes

Intulse is a cloud-based VoIP service designed to help organizations streamline processes for inbound and outbound communications by providing phone solutions. Key features of managed VoIP include team collaboration, call queue management, conference calling, voicemail, number porting & reporting.

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FusionWorks Business Phone Services logo

Mobile-Friendly, Hosted Business Phone Service

FusionWorks all-in-one phone service provides businesses with reliable telephony, affordable calling plans, HD office phones, and features that help employees work smarter, from anywhere. Numerous features and advanced options like visual voicemail, call recording, auto attendant, and more.

Read more about FusionWorks Business Phone Services

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EasyCall Cloud logo

Software for managing agents, VoIP & call center operations

EasyCall Cloud offers scalable Call Center and Contact Center software with transparent pricing, easy management of tasks, VoIP lines, and omnichannel support. Enjoy seamless integration, data security, and cost-effective operations.

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Fonvirtual Call Center logo

Communication solution for call management & distribution

Fonvirtual Call Center is a cloud-based communication solution designed to assist users with managing calls & call distribution via various automated tools such as interactive voice response (IVR) & an automatic call distributor (ACD).

Read more about Fonvirtual Call Center

Users also considered
GoTo Connect logo

The first-ever truly unified voice and video solution.

GoToConnect combines the power and reliability of Jive's cloud VoIP phone systems with GoToMeeting's web, audio and video conferencing into one simple, reliable and flexible solution. Users can meet, talk, chat, text and collaborate seamlessly via web browser, desktop application, or desk phone.

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Users also considered
Zendesk Talk logo

Connecting customers to Agents through voice and message

Zendesk Talk offers advanced call transcriptions, redaction, and quality assurance capabilities to monitor and record calls.

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OnRelay logo

Business phone system for call management

OnRelay is a business phone system that enables businesses across diverse industries to queue calls, view communications in a shared view and manage users. Key features include custom voice menus, automated attendant, video conferencing and call routing.

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Users also considered
Talkroute logo

Virtual phone system for communicating with customers

Talkroute is a virtual phone system designed to help businesses manage voicemail, route calls and communicate with customers via various channels. It offers an audio library, which includes several prompts for agents to create custom greetings for clients.

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BroadVoice Cloud PBX logo

Broadvoice b-Hive Cloud Communications for SMBs

Broadvoice’s leading cloud-based business phone systems unify your business phone, video conferencing, and texting under a single phone number.

Get fast implementation, quality and reliable service, at an affordable cost.

Read more about BroadVoice Cloud PBX

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YOVU logo

Business VoIP Phone Software

YOVU Office phone is a Canadian founded business VoIP solution with CRM and Mobility integrations.

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Weave logo

Customer communication and appointment scheduling solution

Weave is the all-in-one customer communications and engagement platform for small and midsize business. From the first phone call to the final invoice and every touchpoint in between, Weave connects the entire customer journey.

Read more about Weave

Users also considered
Calilio logo

Cloud-based business phone system

AI-powered cloud phone system for calls, SMS, AI voice, and call management across web, iOS, and Android.

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Tresta logo

Business communication, simplified.

Tresta is a virtual phone system with unlimited calling and texting and powerful call management features.

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Users also considered
Ring4 logo

Second phone number app for texting and calling

Ring4 provides companies and individuals with a lightweight Business Phone solution to manage phone lines as simply as they manage emails. The Ring4 smart numbers work on any iOS or Android device and can be managed via the Admin Console.

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Ringblaze logo

Business Communication Solution

Ringblaze is specifically designed to meet the needs of small businesses and teams as the world is redefining the way we work. It delivers omnichannel communication choices for team members to connect with customers and vice versa.

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Users also considered
Comcast Business VoiceEdge logo

Cloud-based PBX and business phone software

Comcast Business VoiceEdge is a cloud-based PBX and business phone software that is designed for businesses in several industry segments, such as professional services, retail, and manufacturing. It allows organizations to manage operations related to call transfer, parking, forwarding, and more on a centralized platform.

Read more about Comcast Business VoiceEdge

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8x8 Contact Center logo

One solution for every customer interaction.

8x8 Contact Center is a complete, reliable and secure solution that helps businesses boost engagement, collaboration, and operational effectiveness for customer success.

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Ring.io logo

Intelligent sales call handling with native CRM integration

Ringio promises improved caller productivity with logging, lead generation, call routing and reporting features crucial to improving sales and customer support

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Users also considered
Natterbox logo

The Voice Experts for Salesforce

Natterbox is an expert voice solution for Salesforce with native telephony integration that helps organizations personalize customer experience at scale, boost sales and service efficiency, and gain complete visibility into their operations.

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