# RingEX vs Yeastar S-Series VoIP PBX Comparison
---
## AI Generated Summary
- **G2 reviewers report** that RingEX excels in reliability, boasting a 99.99% uptime which minimizes call drops. Users appreciate the platform's all-in-one capabilities for calls, texts, video meetings, and team messaging, making it a versatile choice for small businesses.
- **Users say** Yeastar S-Series VoIP PBX is straightforward to manage once configured, with a user-friendly interface that simplifies tasks like adding extensions and changing call routes. This ease of management is particularly beneficial for teams looking to streamline their communication setup.
- **Reviewers mention** that while RingEX offers a clean and intuitive user interface, some users have found it challenging to set up initially. However, once operational, the platform is praised for its clear audio quality and effective mobile application, enhancing day-to-day communication.
- **According to verified reviews** , Yeastar S-Series VoIP PBX has a strong focus on supporting remote work, allowing seamless communication between employees regardless of location. Users highlighted the effectiveness of the phone app in maintaining connectivity, which is crucial for distributed teams.
- **G2 reviewers highlight** that RingEX's support team is highly responsive and helpful, contributing to a positive user experience. This level of support is essential for businesses that may encounter technical issues and need quick resolutions.
- **Users express** that while Yeastar S-Series VoIP PBX has a solid feature set, some users have faced challenges with setup and provisioning, indicating that the initial configuration may require more effort compared to RingEX's more intuitive onboarding process.



| | RingEX | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **Star Rating** | 4.2 out of 5 | 4.9 out of 5 | 
| **Total Reviews** | 1,414 | 15 | 
| **Largest Market Segment** | Small-Business (57.9% of reviews) | Small-Business (87.5% of reviews) | 
| **Entry Level Price** | $30.00 1 User Per Month | No pricing available | 

---
## Top Pros & Cons

### RingEX

Pros:
- Ease of Use (216 reviews)
- Customer Support (127 reviews)

Cons:
- Poor Customer Support (55 reviews)
- Complex Processes (49 reviews)

### Yeastar S-Series VoIP PBX

**Not enough data**

---
## Ratings Comparison
| Rating | RingEX | Yeastar S-Series VoIP PBX | 
|---|---|---|
  | **Meets Requirements** | 8.8 (1153 reviews) | Not enough data | 
  | **Ease of Use** | 8.6 (1172 reviews) | Not enough data | 
  | **Ease of Setup** | 8.2 (753 reviews) | Not enough data | 
  | **Ease of Admin** | 8.3 (663 reviews) | Not enough data | 
  | **Quality of Support** | 8.1 (1055 reviews) | Not enough data | 
  | **Has the product been a good partner in doing business?** | 8.3 (651 reviews) | Not enough data | 
  | **Product Direction (% positive)** | 7.9 (1117 reviews) | Not enough data | 

---
## Pricing

### RingEX

#### Entry-Level Pricing

Plan: Core

Price: $30.00 1 User Per Month

Description: A reliable, core phone system to get your business up and running

Key Features:
- Unlimited domestic calling
- SMS and MMS
- IVR

[Browse all 3 editions](https://www.g2.com/products/ringex/pricing)

#### Free Trial

Yes

### Yeastar S-Series VoIP PBX

#### Entry-Level Pricing

No pricing available

#### Free Trial

No information available

---
## Features Comparison By Category

### Online Fax

| Product | Score | Reviews |
|---|---|---|
| **RingEX** | 8.7/10 | 184 |
| **Yeastar S-Series VoIP PBX** | N/A | N/A |

#### Documents

| Feature | RingEX | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **Editing** | Feature Not Available | Not enough data | 
| **Document Signature ** | 7.3 (149 reviews) | Not enough data | 
| **Storage** | 8.1 (157 reviews) | Not enough data | 

#### Agentic AI - Online Fax

| Feature | RingEX | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **Autonomous Task Execution** | 8.5 (11 reviews) | Not enough data | 
| **Cross-system Integration** | 8.6 (11 reviews) | Not enough data | 

#### Sending

| Feature | RingEX | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **Fax Number** | 9.1 (173 reviews) | Not enough data | 
| **Existing Numbers** | 9.1 (170 reviews) | Not enough data | 
| **Cross-Platform Sending** | 8.9 (158 reviews) | Not enough data | 
| **Unlimited Sending** | 9.2 (161 reviews) | Not enough data | 
| **Contact Management** | 8.9 (165 reviews) | Not enough data | 
| **Alerts** | 9.1 (165 reviews) | Not enough data | 

### Webinar

| Product | Score | Reviews |
|---|---|---|
| **RingEX** | 8.3/10 | 106 |
| **Yeastar S-Series VoIP PBX** | N/A | N/A |

#### Host Tools

| Feature | RingEX | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **Branding** | 8.5 (76 reviews) | Not enough data | 
| **Role-based Access** | 8.7 (81 reviews) | Not enough data | 
| **Recording** | 9.0 (91 reviews) | Not enough data | 

#### Attendee Tools

| Feature | RingEX | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **Registration** | 8.7 (85 reviews) | Not enough data | 
| **Attendee Live Chat** | 8.9 (85 reviews) | Not enough data | 
| **Polls and Surveys** | 8.1 (68 reviews) | Not enough data | 

#### Post-Event Tools

| Feature | RingEX | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **Event Analytics** | 8.5 (65 reviews) | Not enough data | 
| **Attendee Reports** | 8.3 (68 reviews) | Not enough data | 

#### Integrations

| Feature | RingEX | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **Social Media Integration** | 8.1 (59 reviews) | Not enough data | 
| **Software Integrations** | 8.3 (66 reviews) | Not enough data | 

#### Agentic AI - Webinar

| Feature | RingEX | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **Autonomous Task Execution** | 7.7 (8 reviews) | Not enough data | 
| **Multi-step Planning** | 7.7 (8 reviews) | Not enough data | 
| **Cross-system Integration** | 7.5 (8 reviews) | Not enough data | 
| **Natural Language Interaction** | 8.1 (8 reviews) | Not enough data | 
| **Proactive Assistance** | 8.1 (8 reviews) | Not enough data | 

### Conversation Intelligence

| Product | Score | Reviews |
|---|---|---|
| **RingEX** | N/A | N/A |
| **Yeastar S-Series VoIP PBX** | N/A | N/A |

#### Call Analytics

| Feature | RingEX | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **Call Recording** | Not enough data | Not enough data | 
| **Machine Learning** | Not enough data | Not enough data | 
| **Call Analysis** | Not enough data | Not enough data | 
| **Lead Qualification** | Not enough data | Not enough data | 

#### Artificial Intelligence - Conversation Intelligence

| Feature | RingEX | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **Customer Scoring** | Not enough data | Not enough data | 
| **Speech-to-Text** | Not enough data | Not enough data | 
| **Sentiment Analysis** | Not enough data | Not enough data | 

#### Generative AI

| Feature | RingEX | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **AI Text Summarization** | Not enough data | Not enough data | 

#### Agentic AI - Conversation Intelligence

| Feature | RingEX | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | 
| **Multi-step Planning** | Not enough data | Not enough data | 
| **Cross-system Integration** | Not enough data | Not enough data | 
| **Adaptive Learning** | Not enough data | Not enough data | 
| **Natural Language Interaction** | Not enough data | Not enough data | 
| **Proactive Assistance** | Not enough data | Not enough data | 
| **Decision Making** | Not enough data | Not enough data | 

### Contact Center Quality Assurance

| Product | Score | Reviews |
|---|---|---|
| **RingEX** | N/A | N/A |
| **Yeastar S-Series VoIP PBX** | N/A | N/A |

#### Quality Assurance

| Feature | RingEX | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **Evaluation** | Not enough data | Not enough data | 
| **Calibration** | Not enough data | Not enough data | 
| **Reports** | Not enough data | Not enough data | 

#### Engagement

| Feature | RingEX | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **Feedback** | Not enough data | Not enough data | 
| **Dashboards** | Not enough data | Not enough data | 
| **Training** | Not enough data | Not enough data | 

#### Performance

| Feature | RingEX | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **Integrations** | Not enough data | Not enough data | 
| **Compliance** | Not enough data | Not enough data | 

#### Generative AI

| Feature | RingEX | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **AI Text Generation** | Not enough data | Not enough data | 
| **AI Text Summarization** | Not enough data | Not enough data | 

### Video Conferencing

| Product | Score | Reviews |
|---|---|---|
| **RingEX** | 8.9/10 | 305 |
| **Yeastar S-Series VoIP PBX** | N/A | N/A |

#### Collaboration Tools

| Feature | RingEX | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **Screen Sharing** | 9.1 (256 reviews) | Not enough data | 
| **Presentations** | 9.1 (141 reviews) | Not enough data | 
| **Whiteboarding** | 8.6 (116 reviews) | Not enough data | 
| **Live Chat** | 8.9 (143 reviews) | Not enough data | 
| **Hand Raising** | 9.1 (122 reviews) | Not enough data | 

#### Meeting Coordination

| Feature | RingEX | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **Scheduling** | 8.8 (245 reviews) | Not enough data | 
| **Recording** | 9.1 (236 reviews) | Not enough data | 
| **Participant Permissions** | 8.9 (223 reviews) | Not enough data | 
| **One-Click Join** | 9.0 (146 reviews) | Not enough data | 

#### Software Type

| Feature | RingEX | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **Mobile** | 9.0 (246 reviews) | Not enough data | 
| **Browser Application** | 9.0 (143 reviews) | Not enough data | 
| **Desktop Application** | 9.2 (164 reviews) | Not enough data | 

#### Agentic AI - Video Conferencing

| Feature | RingEX | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **Autonomous Task Execution** | 8.3 (13 reviews) | Not enough data | 
| **Proactive Assistance** | 8.5 (12 reviews) | Not enough data | 
| **Decision Making** | 8.3 (12 reviews) | Not enough data | 

### Call Center Infrastructure (CCI)

| Product | Score | Reviews |
|---|---|---|
| **RingEX** | 8.8/10 | 263 |
| **Yeastar S-Series VoIP PBX** | N/A | N/A |

#### Platform

| Feature | RingEX | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **Omnichannel** | Feature Not Available | Not enough data | 
| **Mobile Access** | 9.0 (241 reviews) | Not enough data | 
| **Queue Management** | 8.7 (224 reviews) | Not enough data | 
| **Call Routing** | 9.1 (236 reviews) | Not enough data | 
| **Call Back** | 8.7 (221 reviews) | Not enough data | 
| **IVR** | 8.5 (214 reviews) | Not enough data | 
| **Automatic Call Distribution** | 8.8 (220 reviews) | Not enough data | 

#### Generative AI

| Feature | RingEX | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **AI Text-to-Speech** | Feature Not Available | Not enough data | 

#### Workforce Management

| Feature | RingEX | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **Call Monitoring** | 8.8 (224 reviews) | Not enough data | 
| **Performance Evaluation** | 8.6 (217 reviews) | Not enough data | 

#### Call Center Infrastructure (CCI)

| Feature | RingEX | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **Autonomous Task Execution** | 8.9 (22 reviews) | Not enough data | 
| **Cross-system Integration** | 8.8 (23 reviews) | Not enough data | 
| **Natural Language Interaction** | 9.1 (22 reviews) | Not enough data | 
| **Proactive Assistance** | 8.9 (22 reviews) | Not enough data | 

#### Administrative

| Feature | RingEX | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **Call Recording** | 8.8 (226 reviews) | Not enough data | 
| **Reporting & Dashboards** | 8.6 (226 reviews) | Not enough data | 

### Speech Analytics

| Product | Score | Reviews |
|---|---|---|
| **RingEX** | N/A | N/A |
| **Yeastar S-Series VoIP PBX** | N/A | N/A |

#### Generative AI

| Feature | RingEX | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **AI Text Summarization** | Not enough data | Not enough data | 

### Cloud PBX Platforms

| Product | Score | Reviews |
|---|---|---|
| **RingEX** | 8.8/10 | 70 |
| **Yeastar S-Series VoIP PBX** | N/A | N/A |

#### Basic Communication - Cloud PBX

| Feature | RingEX | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **Call Management** | 8.9 (63 reviews) | Not enough data | 
| **Communication Management** | 8.9 (62 reviews) | Not enough data | 
| **Scalability** | 9.1 (58 reviews) | Not enough data | 
| **Integrations** | 8.3 (60 reviews) | Not enough data | 
| **Mobile Accessibility** | 9.1 (59 reviews) | Not enough data | 
| **Accessibility** | 8.8 (56 reviews) | Not enough data | 

#### Advanced Features - Cloud PBX

| Feature | RingEX | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **Security and Compliance** | 8.7 (53 reviews) | Not enough data | 
| **Analytics and Reporting** | 8.4 (58 reviews) | Not enough data | 
| **Support and Reliability** | 8.6 (57 reviews) | Not enough data | 
| **Automated attendant** | 8.9 (55 reviews) | Not enough data | 

### VoIP Providers

| Product | Score | Reviews |
|---|---|---|
| **RingEX** | 8.4/10 | 623 |
| **Yeastar S-Series VoIP PBX** | N/A | N/A |

#### Platform Basics - VoIP Providers

| Feature | RingEX | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **PBX systems, VoIP Softphone** | 8.5 (98 reviews) | Not enough data | 
| **Call Management** | 8.7 (140 reviews) | Not enough data | 
| **Network monitoring** | 8.4 (94 reviews) | Not enough data | 
| **Integrations** | 8.1 (115 reviews) | Not enough data | 
| **Virtual PBX** | 8.0 (84 reviews) | Not enough data | 
| **SIP trunking services** | 8.1 (82 reviews) | Not enough data | 

#### Basic Communication

| Feature | RingEX | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **Phone Calls** | 9.1 (562 reviews) ✓ Verified | Not enough data | 
| **Video Calls** | 8.4 (412 reviews) ✓ Verified | Not enough data | 
| **Instant Messaging** | 8.8 (451 reviews) ✓ Verified | Not enough data | 
| **Screen Sharing** | 8.2 (366 reviews) ✓ Verified | Feature Not Available | 
| **Conference Calls** | 8.6 (436 reviews) ✓ Verified | Not enough data | 
| **Desk-to-Desk Calls** | 9.0 (442 reviews) ✓ Verified | Not enough data | 

#### Agentic AI - VoIP Providers

| Feature | RingEX | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **Autonomous Task Execution** | 8.0 (54 reviews) | Not enough data | 
| **Cross-system Integration** | 8.1 (56 reviews) | Not enough data | 
| **Adaptive Learning** | 8.0 (53 reviews) | Not enough data | 
| **Proactive Assistance** | 8.1 (55 reviews) | Not enough data | 

#### Access

| Feature | RingEX | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **Software Pairing** | 8.2 (381 reviews) ✓ Verified | Not enough data | 
| **Browser Extension** | 8.4 (396 reviews) ✓ Verified | Not enough data | 
| **Individual Download** | 8.6 (430 reviews) | Not enough data | 

#### Advanced Features

| Feature | RingEX | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **Hold Music** | 8.3 (450 reviews) | Not enough data | 
| **Automated Attendants** | 8.3 (412 reviews) ✓ Verified | Not enough data | 
| **VOiP Number** | 9.0 (479 reviews) ✓ Verified | Not enough data | 

### Sales Coaching

| Product | Score | Reviews |
|---|---|---|
| **RingEX** | N/A | N/A |
| **Yeastar S-Series VoIP PBX** | N/A | N/A |

#### Agentic AI - Sales Coaching

| Feature | RingEX | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **Multi-step Planning** | Not enough data | Not enough data | 
| **Cross-system Integration** | Not enough data | Not enough data | 
| **Adaptive Learning** | Not enough data | Not enough data | 
| **Decision Making** | Not enough data | Not enough data | 

#### Training

| Feature | RingEX | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **Knowledge Base** | Not enough data | Not enough data | 
| **Coaching Materials** | Not enough data | Not enough data | 
| **Playbook Creation** | Not enough data | Not enough data | 
| **Video Record** | Not enough data | Not enough data | 

#### Feedback

| Feature | RingEX | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **Review** | Not enough data | Not enough data | 
| **Scorecard** | Not enough data | Not enough data | 
| **Coaching Card** | Not enough data | Not enough data | 
| **Leaderboard** | Not enough data | Not enough data | 
| **Real-Time Updates** | Not enough data | Not enough data | 
| **Notifications** | Not enough data | Not enough data | 
| **Competition** | Not enough data | Not enough data | 

#### Generative AI

| Feature | RingEX | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **AI Text Summarization** | Not enough data | Not enough data | 

### UCaaS Platforms

| Product | Score | Reviews |
|---|---|---|
| **RingEX** | 8.5/10 | 78 |
| **Yeastar S-Series VoIP PBX** | N/A | N/A |

#### Agentic AI - UCaaS Platforms

| Feature | RingEX | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | 
| **Cross-system Integration** | Not enough data | Not enough data | 
| **Adaptive Learning** | Not enough data | Not enough data | 
| **Natural Language Interaction** | Not enough data | Not enough data | 

#### Extensions

| Feature | RingEX | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **Tenancy Flexibility** | Feature Not Available | Not enough data | 
| **Native VoIP** | 8.7 (54 reviews) ✓ Verified | Not enough data | 
| **CCaaS Option** | 8.2 (19 reviews) | Not enough data | 

#### Features

| Feature | RingEX | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **Voicemail to Email** | 8.9 (61 reviews) ✓ Verified | Not enough data | 
| **Voicemail to SMS** | Feature Not Available | Not enough data | 
| **File Sharing** | 8.6 (54 reviews) ✓ Verified | Not enough data | 
| **Voice Conferencing** | 8.6 (57 reviews) ✓ Verified | Not enough data | 
| **Video Conferencing** | 8.6 (57 reviews) ✓ Verified | Not enough data | 
| **Conference Transcripts** | 8.2 (51 reviews) | Not enough data | 

---
## Categories
**Shared Categories (2):** [VoIP Providers](https://www.g2.com/categories/voip-providers), [Cloud PBX Platforms Software](https://www.g2.com/categories/cloud-pbx-platforms)

**Unique to RingEX (9):** [Contact Center Quality Assurance Software](https://www.g2.com/categories/contact-center-quality-assurance), [Online Fax Software](https://www.g2.com/categories/online-fax), [Webinar Platforms](https://www.g2.com/categories/webinar), [UCaaS Platforms](https://www.g2.com/categories/ucaas-platforms), [Video Conferencing Software](https://www.g2.com/categories/video-conferencing), [Call Center Infrastructure (CCI) Software](https://www.g2.com/categories/call-center-infrastructure-cci), [Conversation Intelligence Software](https://www.g2.com/categories/conversation-intelligence), [Sales Coaching Software](https://www.g2.com/categories/sales-coaching), [Speech Analytics Software](https://www.g2.com/categories/speech-analytics)



---
## Reviewer Demographics

### By Company Size

| Segment | RingEX | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **Small-Business** | 57.9% | 87.5% | 
| **Mid-Market** | 35.0% | 12.5% | 
| **Enterprise** | 7.1% | 0% | 

### By Industry

#### RingEX

- **Computer Software:** 9.5%
- **Information Technology and Services:** 5.3%
- **Insurance:** 5.3%
- **Financial Services:** 4.9%
- **Staffing and Recruiting:** 4.6%
- **Marketing and Advertising:** 4.3%
- **Hospital & Health Care:** 4.2%
- **Real Estate:** 3.5%
- **Construction:** 3.3%
- **Health, Wellness and Fitness:** 3.3%
- **Other:** 51.6%

#### Yeastar S-Series VoIP PBX

- **Telecommunications:** 28.6%
- **Medical Practice:** 14.3%
- **Machinery:** 14.3%
- **Dairy:** 14.3%
- **Automotive:** 14.3%
- **Architecture & Planning:** 14.3%

---
## Alternatives

### Alternatives to RingEX

- [CloudTalk](https://www.g2.com/products/cloudtalk/reviews) — 4.4/5 stars (1848 reviews)
- [Genesys Cloud CX](https://www.g2.com/products/genesys-cloud-cx/reviews) — 4.4/5 stars (1556 reviews)
- [3CX](https://www.g2.com/products/3cx/reviews) — 4.4/5 stars (547 reviews)
- [Nextiva](https://www.g2.com/products/nextiva/reviews) — 4.5/5 stars (3585 reviews)
- [Talkdesk](https://www.g2.com/products/talkdesk/reviews) — 4.4/5 stars (2535 reviews)
- [GoTo Connect](https://www.g2.com/products/goto-connect/reviews) — 4.4/5 stars (1415 reviews)
- [8x8 Work](https://www.g2.com/products/8x8-work/reviews) — 4.2/5 stars (932 reviews)
- [Webex Calling](https://www.g2.com/products/webex-calling/reviews) — 4.5/5 stars (635 reviews)
- [Five9 Intelligent Cloud Contact Center Platform](https://www.g2.com/products/five9-intelligent-cloud-contact-center-platform/reviews) — 4.1/5 stars (625 reviews)
- [Dialpad Connect](https://www.g2.com/products/dialpad-connect/reviews) — 4.4/5 stars (4199 reviews)

### Alternatives to Yeastar S-Series VoIP PBX

- [3CX](https://www.g2.com/products/3cx/reviews) — 4.4/5 stars (547 reviews)
- [Asterisk](https://www.g2.com/products/asterisk/reviews) — 4.6/5 stars (59 reviews)
- [Webex Calling](https://www.g2.com/products/webex-calling/reviews) — 4.5/5 stars (635 reviews)
- [Cisco Unified Communications Manager (CallManager)](https://www.g2.com/products/cisco-unified-communications-manager-callmanager/reviews) — 4.4/5 stars (111 reviews)
- [Genesys Cloud CX](https://www.g2.com/products/genesys-cloud-cx/reviews) — 4.4/5 stars (1556 reviews)
- [Nextiva](https://www.g2.com/products/nextiva/reviews) — 4.5/5 stars (3585 reviews)
- [GoTo Connect](https://www.g2.com/products/goto-connect/reviews) — 4.4/5 stars (1415 reviews)
- [Vonage Business Communications](https://www.g2.com/products/vonage-business-communications/reviews) — 4.3/5 stars (504 reviews)
- [Aircall](https://www.g2.com/products/aircall/reviews) — 4.4/5 stars (1623 reviews)
- [8x8 Work](https://www.g2.com/products/8x8-work/reviews) — 4.2/5 stars (932 reviews)

---
## Top Discussions

### RingEX

- Title: [What’s involved in setting up my RingCentral Office business phone system?](https://www.g2.com/discussions/ringcentral-office-setup) — 2 comments, 1 upvote *(includes official response)*
  > **Top comment:** "There is no PBX hardware to install or technical contractors needed for an on-site setup to start using your phone system. Once you’ve purchased RingCentral..."
- Title: [Is RingCentral good?](https://www.g2.com/discussions/is-ringcentral-good) — 1 comment
  > **Top comment:** "We love RingCentral! It's great that it allows us to call from a main office phone number and provides each user their own work cell/direct number from which..."
- Title: [Why don't you make it more user-friendly?](https://www.g2.com/discussions/why-don-t-you-make-it-more-user-friendly) — 1 comment, 1 upvote
  > **Top comment:** "Brianna, thanks for this feedback. Can you tell us more about what you'd like to customize? If we can't make recommendations, we would love to have you visit..."
- Title: [What are the benefits of RingCentral Office?](https://www.g2.com/discussions/ringcentral-advantage) — 1 comment, 1 upvote *(includes official response)*
  > **Top comment:** "Set up your phone system to work the way you do
- Connect your office, remote employees and mobile users under one phone system.
- Easily support multiple..."
- Title: [What is RingCentral Office?](https://www.g2.com/discussions/ringcentral-office) — 1 comment, 1 upvote *(includes official response)*
  > **Top comment:** "RingCentral Office is a cloud-based business communications system with enterprise-grade voice, fax, text, online meetings, conferencing, and..."

### Yeastar S-Series VoIP PBX

- Title: [What is Yeastar S20?](https://www.g2.com/discussions/what-is-yeastar-s20) — 1 comment
  > **Top comment:** "It is a cloud-based phone system for small companies.  Don't need phone service, just internet.  Office phone on the desk, different extensions, etc. but..."
- Title: [would you please make Linkus resizeable for split screen use on androids?](https://www.g2.com/discussions/would-you-please-make-linkus-resizeable-for-split-screen-use-on-androids) — 1 comment, 1 upvote
  > **Top comment:** "Comment deleted by user."
- Title: [How to register an IP phone or softphone to S-Series VoIP PBX?](https://www.g2.com/discussions/how-to-register-an-ip-phone-or-softphone-to-s-series-voip-pbx) — 1 comment, 1 upvote *(includes official response)*
  > **Top comment:** "S-Series VoIP PBX have passed compatibility test with lots of IP phone brands, such as Yealink, Grandstream, Cisco, Polycom, Snom, etc. Any questions about..."

---
**Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/ringex-vs-yeastar-s-series-voip-pbx)