# Best Audio Conferencing Software for Medium-Sized Businesses

  *By [Neeraja Prakash](https://research.g2.com/insights/author/neeraja-prakash)*

   Products classified in the overall Audio Conferencing category are similar in many regards and help companies of all sizes solve their business problems. However, medium-sized business features, pricing, setup, and installation differ from businesses of other sizes, which is why we match buyers to the right Medium-Sized Business Audio Conferencing to fit their needs. Compare product ratings based on reviews from enterprise users or connect with one of G2's buying advisors to find the right solutions within the Medium-Sized Business Audio Conferencing category.

In addition to qualifying for inclusion in the Audio Conferencing Software category, to qualify for inclusion in the Medium-Sized Business Audio Conferencing Software category, a product must have at least 10 reviews left by a reviewer from a medium-sized business.




  
## How Many Audio Conferencing Software Products Does G2 Track?
**Total Products under this Category:** 48

### Category Stats (May 2026)
- **Average Rating**: 4.34/5 (↑0.02 vs Apr 2026)
- **New Reviews This Quarter**: 179
- **Buyer Segments**: Mid-Market 44% │ Small-Business 41% │ Enterprise 15%
- **Top Trending Product**: Bell - Voice and Unified Communications (+0.833)
*Last updated: May 18, 2026*

  
## How Does G2 Rank Audio Conferencing Software Products?

**Why You Can Trust G2's Software Rankings:**

- 30 Analysts and Data Experts
- 42,200+ Authentic Reviews
- 48+ Products
- Unbiased Rankings

G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.

  
  
  ## What Are the Top-Rated Audio Conferencing Software Products in 2026?
### 1. [Slack](https://www.g2.com/products/slack/reviews)
  Slack is your single workspace that connects you with the people and tools you work with everyday, no matter where you are or what you do. With Slack you get real-time messaging through calls and chat, a searchable record of all your files and conversations, and integrations with a growing number of handy bots and apps. Now everyone can finally be on the same page and get their work done. Slack: It’s where work happens.


  **Average Rating:** 4.5/5.0
  **Total Reviews:** 37,343
**How Do G2 Users Rate Slack?**

- **Has the product been a good partner in doing business?:** 9.1/10 (Category avg: 8.9/10)
- **Quality of Support:** 8.8/10 (Category avg: 8.8/10)
- **Ease of Admin:** 8.9/10 (Category avg: 8.7/10)
- **Ease of Use:** 9.2/10 (Category avg: 9.2/10)

**Who Is the Company Behind Slack?**

- **Seller:** [Salesforce](https://www.g2.com/sellers/salesforce)
- **Company Website:** https://www.salesforce.com/
- **Year Founded:** 1999
- **HQ Location:** San Francisco, CA
- **Twitter:** @salesforce (581,299 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/3185/ (88,363 employees on LinkedIn®)

**Who Uses This Product?**
  - **Who Uses This:** Software Engineer, Project Manager
  - **Top Industries:** Computer Software, Information Technology and Services
  - **Company Size:** 41% Small-Business, 41% Mid-Market


#### What Are Slack's Pros and Cons?

**Pros:**

- Ease of Use (3483 reviews)
- Team Collaboration (3150 reviews)
- Communication (2876 reviews)
- Integrations (2145 reviews)
- Features (1937 reviews)

**Cons:**

- Notification Issues (1137 reviews)
- Missing Features (941 reviews)
- Limited Features (757 reviews)
- Overwhelming Experience (728 reviews)
- Channel Management (688 reviews)

### 2. [JustCall](https://www.g2.com/products/saas-labs-justcall/reviews)
  JustCall is the only AI-powered business communication platform that brings calls, texts, email, and WhatsApp together in one place. It helps customer-facing teams work more efficiently, respond faster, and connect better with prospects and customers. 6,000+ businesses worldwide use JustCall to: - Manage all customer conversations from a single platform - Automate routine tasks and workflows - Get real-time AI insights to improve conversations - Ensure 24/7 coverage with inbound AI Voice Agents (outbound support coming soon) Key features: - Calling: Global phone numbers, inbound/outbound calling, smart routing, auto/predictive/power dialers - Messaging: SMS & MMS, workflows, bots, shared WhatsApp inbox, multi-level IVR, shared email inbox - AI tools: Real-time agent assist, AI coaching, sentiment analysis, call scoring, live monitoring, SMS Copilot, inbound AI Voice Agent - Integrations & collaboration: 100+ CRM integrations, collaborative team workspace


  **Average Rating:** 4.3/5.0
  **Total Reviews:** 2,354
**How Do G2 Users Rate JustCall?**

- **Has the product been a good partner in doing business?:** 8.6/10 (Category avg: 8.9/10)
- **Quality of Support:** 8.3/10 (Category avg: 8.8/10)
- **Ease of Admin:** 8.6/10 (Category avg: 8.7/10)
- **Ease of Use:** 8.8/10 (Category avg: 9.2/10)

**Who Is the Company Behind JustCall?**

- **Seller:** [Saas Labs](https://www.g2.com/sellers/saas-labs)
- **Company Website:** https://www.saaslabs.co/
- **Year Founded:** 2016
- **HQ Location:** Palo Alto, California
- **Twitter:** @saas_labs (306 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/10436435/ (428 employees on LinkedIn®)

**Who Uses This Product?**
  - **Who Uses This:** CEO, Account Executive
  - **Top Industries:** Computer Software, Financial Services
  - **Company Size:** 59% Small-Business, 31% Mid-Market


#### What Are JustCall's Pros and Cons?

**Pros:**

- Ease of Use (286 reviews)
- Features (207 reviews)
- Helpful (193 reviews)
- Customer Support (161 reviews)
- Call Management (154 reviews)

**Cons:**

- Call Issues (154 reviews)
- Call Functionality (99 reviews)
- Connection Issues (78 reviews)
- Missing Features (77 reviews)
- Poor Call Quality (66 reviews)

### 3. [Voximplant](https://www.g2.com/products/voximplant/reviews)
  Voximplant is a communications platform as a service, it allows developers to add real-time communications features (voice, video and messaging) in their applications without a need to build any backend infrastructure. Voximplant architecture is designed for serverless: developers upload their JavaScript code into our cloud and uploaded code is being executed automatically when a call arrives at the platform or when an HTTP API command is executed. A call can arrive at the platform from a phone network, from a SIP device or application, and from Voximplant Web or Mobile SDK.


  **Average Rating:** 4.8/5.0
  **Total Reviews:** 31
**How Do G2 Users Rate Voximplant?**

- **Has the product been a good partner in doing business?:** 9.6/10 (Category avg: 8.9/10)
- **Quality of Support:** 9.7/10 (Category avg: 8.8/10)
- **Ease of Admin:** 8.9/10 (Category avg: 8.7/10)
- **Ease of Use:** 9.0/10 (Category avg: 9.2/10)

**Who Is the Company Behind Voximplant?**

- **Seller:** [VoxImplant](https://www.g2.com/sellers/voximplant)
- **Year Founded:** 2013
- **HQ Location:** Palo Alto, California
- **Twitter:** @voximplant (973 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/voximplant/about (196 employees on LinkedIn®)

**Who Uses This Product?**
  - **Top Industries:** Computer Software, Information Technology and Services
  - **Company Size:** 55% Mid-Market, 29% Small-Business


#### What Are Voximplant's Pros and Cons?

**Pros:**

- Ease of Use (1 reviews)
- Easy Communication (1 reviews)
- Features (1 reviews)

**Cons:**

- Connectivity Issues (1 reviews)
- Internet Connectivity (1 reviews)
- Internet Dependency (1 reviews)

### 4. [Mitel MiCollab](https://www.g2.com/products/mitel-micollab/reviews)
  Mitel MiCollab is an enterprise collaboration platform that securely and swiftly powers communications for whenever you need them, wherever you are. KEY BENEFITS - Everything you need in one place – single application for voice, video, messaging, presence, conferencing, mobility, and team collaboration - Multiple devices, single experience – communications experience that’s consistent across all your devices - Increased business productivity – with unified service, spend less time trying to connect and more time engaged in productive communications - Harness the power of teams – Keep up with projects, stay connected with colleagues, and boost the sharing of knowledge and ideas across business silos - Simple Deployments: Deployment QR codes to simplify the process FEATURES - Unified communications and team collaboration - Available for PC, Mac, Web, and Mobile Devices - Mobile-first design - Real-time voice and video calling - Audio conferencing with web sharing - One number reach - Simultaneous ringing / Mobile twinning - Collaborative workspaces - Individual and group chat - File annotation - WebRTC softphone - Outlook® and calendar integration - File and screen sharing - Multiple layers of security - Multi-region / language support


  **Average Rating:** 4.2/5.0
  **Total Reviews:** 29
**How Do G2 Users Rate Mitel MiCollab?**

- **Has the product been a good partner in doing business?:** 7.1/10 (Category avg: 8.9/10)
- **Quality of Support:** 8.1/10 (Category avg: 8.8/10)
- **Ease of Admin:** 5.0/10 (Category avg: 8.7/10)
- **Ease of Use:** 8.2/10 (Category avg: 9.2/10)

**Who Is the Company Behind Mitel MiCollab?**

- **Seller:** [Mitel Networks](https://www.g2.com/sellers/mitel-networks-01d2c63e-d7d9-47b7-9278-bf4db28c95a9)
- **Year Founded:** 1972
- **HQ Location:** Kanata, Ontario
- **Twitter:** @Mitel (22,475 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/4924/ (3,998 employees on LinkedIn®)
- **Total Revenue (USD mm):** $1,300

**Who Uses This Product?**
  - **Company Size:** 52% Mid-Market, 27% Small-Business


#### What Are Mitel MiCollab's Pros and Cons?

**Pros:**

- Features (3 reviews)
- Calling Features (2 reviews)
- Convenience (2 reviews)
- Ease of Use (2 reviews)
- Easy Communication (2 reviews)

**Cons:**

- Admin Control (2 reviews)
- User Interface (2 reviews)
- Admin Control Issues (1 reviews)
- Customer Service (1 reviews)
- Customer Support (1 reviews)

### 5. [Spike](https://www.g2.com/products/spike/reviews)
  Spike is an AI-powered email and team communication platform that combines email, chat, meetings, and collaboration tools into a single, organized workspace. It is designed for professionals, small teams, and businesses that use email as their primary communication channel but want a faster, more streamlined way to manage daily interactions and tasks. By transforming traditional email into a chat-like format, Spike simplifies how users read and reply to messages. The platform removes repetitive headers, quoted text, and long chains, allowing conversations to appear as clean, continuous threads. Users can manage all email accounts, calendars, and contacts in one place while taking advantage of built-in AI to summarize conversations, draft replies, and organize the inbox automatically. Spike supports both individual and team use. Freelancers and professionals use it to manage clients and projects more efficiently, while teams rely on Spike to centralize communication, share files, and collaborate in real time without switching between multiple tools. Core Features: Conversational Email: Presents emails as natural chat-like conversations while remaining fully compatible with standard email protocols. AI Productivity Tools: Provides automatic summaries, suggested replies, translations, and content drafting to speed up workflow. Priority Inbox: Uses AI to sort incoming messages into relevant categories—Priority, Other, Notes, and Starred—helping users focus on what matters most. Integrated Meetings: Enables voice and video calls directly from email threads for faster coordination. Collaborative Notes and Docs: Allows users to create, edit, and share documents in real time within the inbox. Unified Inbox and Search: Consolidates multiple email accounts and calendars into a single interface with cross-account search. Shared Inbox: Helps teams manage customer and project communications collaboratively, ensuring faster response times. Compatibility: Works with Gmail, Outlook, iCloud, Office 365, Yahoo Mail, and all IMAP-supported accounts across desktop, mobile, and web platforms. Security and Privacy: Spike is ad-free and never sells or monetizes user data. All message data is encrypted using the AES-256 standard. Spike is suited for users seeking a unified communication platform that enhances productivity while maintaining the familiarity of email. It bridges the gap between traditional email clients and modern collaboration tools, offering a single, AI-enhanced workspace that helps individuals and teams stay focused and efficient.


  **Average Rating:** 4.6/5.0
  **Total Reviews:** 250
**How Do G2 Users Rate Spike?**

- **Has the product been a good partner in doing business?:** 8.6/10 (Category avg: 8.9/10)
- **Quality of Support:** 9.0/10 (Category avg: 8.8/10)
- **Ease of Admin:** 8.7/10 (Category avg: 8.7/10)
- **Ease of Use:** 9.3/10 (Category avg: 9.2/10)

**Who Is the Company Behind Spike?**

- **Seller:** [Spike](https://www.g2.com/sellers/spike)
- **Year Founded:** 2014
- **HQ Location:** Herzliya, IL
- **Twitter:** @SpikeNowHQ (3,043 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/3240452/ (31 employees on LinkedIn®)

**Who Uses This Product?**
  - **Who Uses This:** CEO, Owner
  - **Top Industries:** Information Technology and Services, Computer Software
  - **Company Size:** 72% Small-Business, 15% Mid-Market


#### What Are Spike's Pros and Cons?

**Pros:**

- Ease of Use (46 reviews)
- Email Management (35 reviews)
- Communication (32 reviews)
- Helpful (26 reviews)
- Features (23 reviews)

**Cons:**

- Missing Features (19 reviews)
- Limited Features (12 reviews)
- Integration Issues (10 reviews)
- Expensive (9 reviews)
- Limited Customization (9 reviews)

### 6. [XTIUM Unified Communications as a Service](https://www.g2.com/products/xtium-unified-communications-as-a-service/reviews)
  XTIUM, created through the business combination of ATSG and Evolve IP, delivers a modern security-first approach to the managed IT services experience. Leveraging AI innovations, enterprise-grade cybersecurity, virtual desktops, unified communications, and more, XTIUM acts as a trusted partner to help businesses reduce risk, boost operational efficiency, and scale with confidence. At XTIUM, we empower IT leaders to scale confidently, reduce risk, and drive measurable business outcomes with a level of service and accountability that sets a new industry standard. Our mission is simple: to make our clients more secure, more agile, and more successful, every step of the way.


  **Average Rating:** 4.2/5.0
  **Total Reviews:** 69
**How Do G2 Users Rate XTIUM Unified Communications as a Service?**

- **Has the product been a good partner in doing business?:** 9.2/10 (Category avg: 8.9/10)
- **Quality of Support:** 9.0/10 (Category avg: 8.8/10)
- **Ease of Admin:** 8.8/10 (Category avg: 8.7/10)
- **Ease of Use:** 8.5/10 (Category avg: 9.2/10)

**Who Is the Company Behind XTIUM Unified Communications as a Service?**

- **Seller:** [Xtium](https://www.g2.com/sellers/xtium-367414e0-0979-4601-8508-a216e2b31350)
- **Year Founded:** 2007
- **HQ Location:** New York, NY
- **LinkedIn® Page:** https://www.linkedin.com/company/xtium/ (457 employees on LinkedIn®)

**Who Uses This Product?**
  - **Top Industries:** Information Technology and Services
  - **Company Size:** 64% Mid-Market, 21% Small-Business


#### What Are XTIUM Unified Communications as a Service's Pros and Cons?

**Pros:**

- Communication (3 reviews)
- Reliability (3 reviews)
- Customer Support (2 reviews)
- Ease of Use (2 reviews)
- Easy Communication (2 reviews)

**Cons:**

- Expensive (2 reviews)
- Licensing Issues (1 reviews)
- Small Business Limitations (1 reviews)


    ## What Is Audio Conferencing Software?
  [Collaboration & Productivity Software](https://www.g2.com/categories/collaboration-productivity)
  ## What Software Categories Are Similar to Audio Conferencing Software?
    - [Video Conferencing Software](https://www.g2.com/categories/video-conferencing)
    - [UCaaS Platforms](https://www.g2.com/categories/ucaas-platforms)