What is VoIP software?

Voice-over-internet protocol, or VoIP, is a communication technology that allows audio and video interaction over the internet. It is a mode of phone transmission that enables internet phone calls using any smart device as opposed to traditional telephone services. VoIP, often pronounced as “vŏy'p” or “V-O-I-P,” is also commonly called voice-over IP. VoIP software enables online calling using digital signals, making it a more cost-effective alternative to traditional phone lines. It includes functions such as automated calls, phone and video calls, call queuing, and screen sharing. VoIP relies on a fast and dependable internet connection, and it can be understood as an “internet telephone" in layman’s terms. VoIP providers, also known as virtual phone systems, can help companies significantly improve call quality and reduce communication costs. VoIP solutions streamline communications and standardize the workflow, enabling companies to make international or overseas audio and video calls without expensive payments. It’s also a more flexible solution that allows employees to communicate long distances when away from their typical office space.

Who uses VoIP software?

Generally, VoIP calls can be accessed by everyone. Although most people use video calling platforms for personal use, VoIP products are adopted by large corporations. More options are available with advancements in technology and VoIP itself, especially regarding professional solutions for meetings and conferences with ethernet. VoIP software is often used in the following industries: Customer service: VoIP services have nearly taken over this industry, with customer service centered on phone lines. It reduces wait time by automatically redirecting calls to available people. It also has live monitoring and data-collecting capabilities, making it ideal for this type of work. Hotel and tourism: The backbones of this sector are effective communication and 24-hour service. For best customer satisfaction, hotels use VoIP services to assist in managing calls and avoiding congestion on a single line at a time. Healthcare: Healthcare industries use cloud-based VoIP phone systems to book online consultations with doctors, patient registrations, floor-to-floor communications, inventory management, etc. Financial institutions: Besides assisting with encrypted communication and authentication, VoIP allows finance professionals to communicate in real-time with their peers and customers. It also provides its consumers with financial data, news, and evaluations, which is necessary for making informed investment decisions. Manufacturing: Manufacturing includes a variety of fields such as finance, accounting, sales, and warehouse, making it an industry for VoIP networks. Employees benefit significantly from VoIP software features like instant messaging, video conferencing, file sharing, advanced voice call management, etc., which enable effective telecommunication and collaboration.

What types of VoIP software exist?

Five types of VoIP services are available in the market for interested buyers. Residential VoIP services: The landline phone is linked to a Wi-Fi modem via an adapter to make and receive internet calls. Charges are set according to different plans. Example: VoIP.com and Lingo. Device-based VoIP services: To make free calls within the United States involves purchasing a VoIP device from a service provider and connecting it to an already-owned device. This removes the requirement for equipment other than a conventional landline phone and a monthly fee. Example: MagicJack and Ooma. Software-based VoIP services: This is the most commonly used VoIP service. It requires a web-based application online or installed PC software. It’s then used via the computer's audio input and output devices. Example: Skype and Zoom. Mobile VoIP services: Mobile VoIP is an application installed on mobile phones, allowing call access from anywhere with a reliable internet connection. Example: WhatsApp and Google Hangouts Business VoIP services: The two VoIP choices for businesses are on-premises and cloud-based. Both offer far more cost-effective communication options than traditional landlines and have several valuable features. These include video and audio conferencing services, screen-sharing, interactive voice response, automated attendants, call queues, and call reports. These often expandable features come with comprehensive technical assistance.

Best VoIP Providers with Instant Messaging Capabilities

RingEX

WHAT IS RINGEX? RingEX is the all-in-one business communications platform that connects teams, customers, and conversations across voice, video, messaging, SMS, and AI agents all powered by AI. Designed for organizations that value productivity, customer satisfaction, and simplicity, RingEX brings together everything your business needs to collaborate and engage effectively from anywhere. ADVANCED AI WITH AIR, AVA, AND ACE RingEX transforms every interaction into a strategic advantage through three specialized AI agents. AI Receptionist (AIR) acts as an intelligent digital front desk, answering calls 24/7 in natural, multilingual conversations to answer FAQs, capture leads, schedule appointments, and route complex calls with full context. AI Virtual Assistant (AVA) acts as a proactive co-pilot for daily tasks, automatically capturing meeting summaries, generating follow-up actions, and drafting context-aware messages. AI Conversation Expert (ACE) serves as a flagship conversation intelligence platform, analyzing every interaction to provide coaching, automated call scoring, and deep sentiment analysis. By turning raw data into executive insights and syncing directly with your CRM, ACE helps leaders replicate winning behaviors and stay ahead of customer trends. NEW: CUSTOMER ENGAGEMENT BUNDLE Built for small and mid-sized customer-facing teams, the Customer Engagement Bundle helps businesses deliver faster, more connected customer support without the complexity of a full contact center. The bundle seamlessly blends voice and SMS support in one unified workspace. Key capabilities include a shared SMS inbox for team visibility, automated SMS opt-out compliance, and reply templates to maintain a consistent brand voice. It also features queue transparency with place-in-line updates and live reports for real-time visibility into agent performance and service quality. WHY RINGEX? Whether your team is connecting internally or engaging customers, RingEX delivers reliability, flexibility, and intelligence in one platform. Backed by enterprise-grade security, RingEX helps you stay connected and responsive at every moment that matters. RingEX customers gain smarter communication with AVA, revenue intelligence with ACE, and better customer experiences through the Customer Engagement Bundle. RingEX isn’t just a phone system. It is the intelligent core of your business that ensures every conversation—internal or external—is connected, analyzed, and impactful.

Average Rating: 4.2/5.0

Total Reviews: 1,437

How Do G2 Users Rate RingEX?

Has the product been a good partner in doing business?: 8.4/10 (Category avg: 8.8/10)
Phone Calls: 9.1/10 (Category avg: 9.1/10)
VOiP Number: 9.1/10 (Category avg: 9.0/10)
Desk-to-Desk Calls: 9.0/10 (Category avg: 8.6/10)

Who Is the Company Behind RingEX?

Seller: RingCentral
Company Website:
Year Founded: 1999
HQ Location: Belmont, CA
Twitter: @RingCentral
61,963 Twitter followers
LinkedIn® Page: www.linkedin.com
6,675 employees on LinkedIn®

Who Uses This Product?

Who Uses This: Owner, CEO
Top Industries: Computer Software, Information Technology and Services
Company Size: 57% Small, 34% Medium

What Do G2 Reviewers Say About RingEX?

AI-generated summary from verified user reviews

Pros

Users appreciate the ease of use of RingEX, making communication and collaboration seamless for their teams.
Users value the helpful customer support of RingEX, enhancing the overall experience and usability for everyone.
Users appreciate the high-definition voice quality of RingEX, enhancing communication and customer support experiences.
Users find RingEX to be incredibly helpful for maintaining client connections, enhancing reliability and support.
Users commend the reliability of RingEX, ensuring consistent connections and high-quality communication experiences.

Cons

Users find the customer support challenging, often facing difficulties in communication and unnecessary complications.
Users find the complex processes in RingEX challenging, particularly when navigating setup and administration aspects.
Users find the difficulties with customer service occasionally complicate resolutions and frustrate the overall experience.
Users often face call issues with RingEX, including inadequate tracking of calls and poor customer support experiences.
Users find the customer support difficult to access, making resolutions more complicated than necessary for known issues.

What Are Recent G2 Reviews of RingEX?

"Intuitive All-in-One Calling and Collaboration with Reliable Performance"

Rating: 4.5/5.0 stars

— Leepika M.

Product	Best for	User Review
RingEX 4.2/5(1,497)	Unified calling, texting, and team communication	"Intuitive All-in-One Calling and Collaboration with Reliable Performance"
Nextiva 4.5/5(3,672)	Managed business phone setup with support	"Nextiva takes CTCAdventures phone system to a new level"
Zoom Phone 4.6/5(2,676)	Cloud calling inside the Zoom workflow	"Convenient All-in-One Calling with Smooth Forwarding, Voicemail, and SMS"
Quo 4.7/5(3,422)	Shared calls, texts, and summaries	"Easy to Use, Clear Guidance, and Unbeatable Value"
Dialpad Connect 4.4/5(4,216)	AI-assisted calls with transcripts and CRM context	"User-Friendly Transcripts and Easy Contact Management"
Webex Suite 4.2/5(18,927)	Meetings, calls, and collaboration in one suite	"Webex Suite: All-in-One Platform with Reliable Audio/Video and Seamless Collaboration"
Webex Calling 4.5/5(642)	Stable calling inside the Webex ecosystem	"Webex Calling Makes Business Calls Centralized, Professional, and Easy to Manage"
Aircall 4.4/5(1,677)	Sales and support call management	"Re-listen to calls and manage multiple lines: a great benefit"
8x8 Work 4.2/5(941)	Cloud telephony with SMS and Teams support	"Modern interface, easy configuration, and fast chat support"

Best VoIP Providers with Instant Messaging Capabilities

How Many VoIP Providers Products Does G2 Track?

Category Stats (Oct 2026)

How Does G2 Rank VoIP Providers Products?

G2 Grid® for VoIP Providers

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