# Grandstream IP Video Phones vs Yeastar S-Series VoIP PBX Comparison

| | Grandstream IP Video Phones | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **Star Rating** | 4.1 out of 5 | 4.9 out of 5 | 
| **Total Reviews** | 13 | 15 | 
| **Largest Market Segment** | Mid-Market (46.2% of reviews) | Small-Business (87.5% of reviews) | 
| **Entry Level Price** | No pricing available | No pricing available | 


---
## Ratings Comparison
| Rating | Grandstream IP Video Phones | Yeastar S-Series VoIP PBX | 
|---|---|---|
  | **Meets Requirements** | 8.8 (7 reviews) | Not enough data | 
  | **Ease of Use** | 9.1 (9 reviews) | Not enough data | 
  | **Ease of Setup** | 7.6 (7 reviews) | Not enough data | 
  | **Ease of Admin** | Not enough data | Not enough data | 
  | **Quality of Support** | 8.1 (6 reviews) | Not enough data | 
  | **Has the product been a good partner in doing business?** | Not enough data | Not enough data | 
  | **Product Direction (% positive)** | 8.3 (7 reviews) | Not enough data | 

---
## Pricing

### Grandstream IP Video Phones

#### Entry-Level Pricing

No pricing available

#### Free Trial

No information available

### Yeastar S-Series VoIP PBX

#### Entry-Level Pricing

No pricing available

#### Free Trial

No information available

---
## Features Comparison By Category

### Collaboration & Productivity

| Product | Score | Reviews |
|---|---|---|
| **Grandstream IP Video Phones** | N/A | N/A |
| **Yeastar S-Series VoIP PBX** | N/A | N/A |

#### Additional Functionality

| Feature | Grandstream IP Video Phones | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **Third-Party Integrations** | Not enough data | Not enough data | 
| **To-Do List** | Not enough data | Not enough data | 
| **@mentions** | Not enough data | Not enough data | 
| **Single Sign On** | Not enough data | Not enough data | 
| **File Management** | Not enough data | Not enough data | 
| **Activity Dashboard** | Not enough data | Not enough data | 
| **Drag & Drop** | Not enough data | Not enough data | 
| **Alerts/Notifications** | Not enough data | Not enough data | 
| **Prioritization** | Not enough data | Not enough data | 
| **Access Controls/Permissions** | Not enough data | Not enough data | 
| **Screen Sharing** | Not enough data | Not enough data | 
| **Content Management** | Not enough data | Not enough data | 
| **Brainstorming** | Not enough data | Not enough data | 
| **AI Copilot** | Not enough data | Not enough data | 
| **File Transfer** | Not enough data | Not enough data | 
| **Calendar Management** | Not enough data | Not enough data | 
| **Status Tracking** | Not enough data | Not enough data | 
| **Real-Time Notifications** | Not enough data | Not enough data | 
| **Version Control** | Not enough data | Not enough data | 
| **Task Management** | Not enough data | Not enough data | 
| **Activity Tracking** | Not enough data | Not enough data | 
| **Real Time Editing** | Not enough data | Not enough data | 
| **Communication Management** | Not enough data | Not enough data | 
| **Chat/Messaging** | Not enough data | Not enough data | 
| **Tagging** | Not enough data | Not enough data | 
| **Generative AI** | Not enough data | Not enough data | 
| **Assignment Management** | Not enough data | Not enough data | 
| **Task Scheduling** | Not enough data | Not enough data | 
| **Project Management** | Not enough data | Not enough data | 
| **Collaboration Tools** | Not enough data | Not enough data | 
| **Workflow Management** | Not enough data | Not enough data | 
| **Secure Data Storage** | Not enough data | Not enough data | 
| **File Sharing** | Not enough data | Not enough data | 
| **Document Storage** | Not enough data | Not enough data | 
| **Task Progress Tracking** | Not enough data | Not enough data | 
| **Discussions/Forums** | Not enough data | Not enough data | 
| **Commenting/Notes** | Not enough data | Not enough data | 
| **Reporting & Statistics** | Not enough data | Not enough data | 
| **Contact Management** | Not enough data | Not enough data | 
| **Video Conferencing** | Not enough data | Not enough data | 
| **Progress Tracking** | Not enough data | Not enough data | 
| **Mobile Access** | Not enough data | Not enough data | 
| **API** | Not enough data | Not enough data | 
| **Document Management** | Not enough data | Not enough data | 
| **Customizable Branding** | Not enough data | Not enough data | 

### Cloud PBX Platforms

| Product | Score | Reviews |
|---|---|---|
| **Grandstream IP Video Phones** | N/A | N/A |
| **Yeastar S-Series VoIP PBX** | N/A | N/A |

#### Basic Communication - Cloud PBX

| Feature | Grandstream IP Video Phones | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **Call Management** | Not enough data | Not enough data | 
| **Communication Management** | Not enough data | Not enough data | 
| **Scalability** | Not enough data | Not enough data | 
| **Integrations** | Not enough data | Not enough data | 
| **Mobile Accessibility** | Not enough data | Not enough data | 
| **Accessibility** | Not enough data | Not enough data | 
| **Contact Management** | Not enough data | Not enough data | 
| **Queue Management** | Not enough data | Not enough data | 
| **Computer Telephony Integration** | Not enough data | Not enough data | 
| **Call List Management** | Not enough data | Not enough data | 
| **Fax Management** | Not enough data | Not enough data | 

#### Advanced Features - Cloud PBX

| Feature | Grandstream IP Video Phones | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **Security and Compliance** | Not enough data | Not enough data | 
| **Analytics and Reporting** | Not enough data | Not enough data | 
| **Support and Reliability** | Not enough data | Not enough data | 
| **Automated attendant** | Not enough data | Not enough data | 
| **Real-Time Analytics** | Not enough data | Not enough data | 

#### Additional Functionality

| Feature | Grandstream IP Video Phones | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **Virtual Extensions** | Not enough data | Not enough data | 
| **Call Disposition** | Not enough data | Not enough data | 
| **Customizable Caller ID** | Not enough data | Not enough data | 
| **Alerts/Notifications** | Not enough data | Not enough data | 
| **Generative AI** | Not enough data | Not enough data | 
| **Call Tracking** | Not enough data | Not enough data | 
| **SMS Messaging** | Not enough data | Not enough data | 
| **Call Routing** | Not enough data | Not enough data | 
| **Call Recording** | Not enough data | Not enough data | 
| **Conferencing** | Not enough data | Not enough data | 
| **Call Transfer** | Not enough data | Not enough data | 
| **Callback Scheduling** | Not enough data | Not enough data | 
| **Role-Based Permissions** | Not enough data | Not enough data | 
| **Automatic Call Distribution** | Not enough data | Not enough data | 
| **Interaction Tracking** | Not enough data | Not enough data | 
| **Collaboration Tools** | Not enough data | Not enough data | 
| **Real-Time Updates** | Not enough data | Not enough data | 
| **On-Demand Recording** | Not enough data | Not enough data | 
| **Mobile Access** | Not enough data | Not enough data | 
| **AI Copilot** | Not enough data | Not enough data | 
| **IVR** | Not enough data | Not enough data | 
| **Customizable Reports** | Not enough data | Not enough data | 
| **Activity Dashboard** | Not enough data | Not enough data | 
| **Call Monitoring** | Not enough data | Not enough data | 
| **Voice Mail** | Not enough data | Not enough data | 
| **Video Conferencing** | Not enough data | Not enough data | 
| **Caller ID** | Not enough data | Not enough data | 
| **SIP Trunking** | Not enough data | Not enough data | 
| **For Cloud Phone Systems** | Not enough data | Not enough data | 
| **Ring Groups** | Not enough data | Not enough data | 

### VoIP Providers

| Product | Score | Reviews |
|---|---|---|
| **Grandstream IP Video Phones** | 9.3/10 | 5 |
| **Yeastar S-Series VoIP PBX** | N/A | N/A |

#### Platform Basics - VoIP Providers

| Feature | Grandstream IP Video Phones | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **PBX systems, VoIP Softphone** | Not enough data | Not enough data | 
| **Call Management** | Not enough data | Not enough data | 
| **Network monitoring** | Not enough data | Not enough data | 
| **Integrations** | Not enough data | Not enough data | 
| **Virtual PBX** | Not enough data | Not enough data | 
| **SIP trunking services** | Not enough data | Not enough data | 
| **Contact Management** | Not enough data | Not enough data | 
| **Communication Management** | Not enough data | Not enough data | 
| **Fax Management** | Not enough data | Not enough data | 
| **Call List Management** | Not enough data | Not enough data | 
| **Call Center Management** | Not enough data | Not enough data | 
| **Queue Management** | Not enough data | Not enough data | 
| **Third-Party Integrations** | Not enough data | Not enough data | 
| **Computer Telephony Integration** | Not enough data | Not enough data | 
| **Real-Time Monitoring** | Not enough data | Not enough data | 
| **Call Monitoring** | Not enough data | Not enough data | 
| **Workflow Management** | Not enough data | Not enough data | 
| **Call Center Integration** | Not enough data | Not enough data | 

#### Basic Communication

| Feature | Grandstream IP Video Phones | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **Phone Calls** | 9.3 (5 reviews) | Not enough data | 
| **Video Calls** | Not enough data | Not enough data | 
| **Instant Messaging** | Not enough data | Not enough data | 
| **Screen Sharing** | Not enough data | Feature Not Available | 
| **Conference Calls** | Not enough data | Not enough data | 
| **Desk-to-Desk Calls** | Not enough data | Not enough data | 
| **SMS Messaging** | Not enough data | Not enough data | 
| **Chat/Messaging** | Not enough data | Not enough data | 
| **Video Call Recording** | Not enough data | Not enough data | 
| **Two-Way Audio & Video** | Not enough data | Not enough data | 
| **SIP Trunking** | Not enough data | Not enough data | 

#### Agentic AI - VoIP Providers

| Feature | Grandstream IP Video Phones | 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 | 
| **Proactive Assistance** | Not enough data | Not enough data | 

#### Access

| Feature | Grandstream IP Video Phones | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **Software Pairing** | Not enough data | Not enough data | 
| **Browser Extension** | Not enough data | Not enough data | 
| **Individual Download** | Not enough data | Not enough data | 

#### Advanced Features

| Feature | Grandstream IP Video Phones | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **Hold Music** | Not enough data | Not enough data | 
| **Automated Attendants** | Not enough data | Not enough data | 
| **VOiP Number** | Not enough data | Not enough data | 

#### Additional Functionality

| Feature | Grandstream IP Video Phones | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **Live Chat** | Not enough data | Not enough data | 
| **Multi-Channel Communication** | Not enough data | Not enough data | 
| **Customizable Reports** | Not enough data | Not enough data | 
| **Call Tracking** | Not enough data | Not enough data | 
| **Automatic Call Distribution** | Not enough data | Not enough data | 
| **Real-Time Data** | Not enough data | Not enough data | 
| **Purchasing & Receiving** | Not enough data | Not enough data | 
| **Employee Directory** | Not enough data | Not enough data | 
| **AI Copilot** | Not enough data | Not enough data | 
| **Activity Tracking** | Not enough data | Not enough data | 
| **Collaboration Tools** | Not enough data | Not enough data | 
| **Call Scripting** | Not enough data | Not enough data | 
| **Real-Time Reporting** | Not enough data | Not enough data | 
| **Call Recording** | Not enough data | Not enough data | 
| **Real-Time Analytics** | Not enough data | Not enough data | 
| **Virtual Call Center** | Not enough data | Not enough data | 
| **Activity Dashboard** | Not enough data | Not enough data | 
| **Reporting & Statistics** | Not enough data | Not enough data | 
| **CRM** | Not enough data | Not enough data | 
| **Auto-Dialer** | Not enough data | Not enough data | 
| **Generative AI** | Not enough data | Not enough data | 
| **Contact Database** | Not enough data | Not enough data | 
| **Call Transfer** | Not enough data | Not enough data | 
| **Call Reporting** | Not enough data | Not enough data | 
| **Call Logging** | Not enough data | Not enough data | 
| **Voice Mail** | Not enough data | Not enough data | 
| **Caller ID** | Not enough data | Not enough data | 
| **Customizable Caller ID** | Not enough data | Not enough data | 
| **Mobile Access** | Not enough data | Not enough data | 
| **Callback Scheduling** | Not enough data | Not enough data | 
| **IVR** | Not enough data | Not enough data | 
| **API** | Not enough data | Not enough data | 
| **Interaction Tracking** | Not enough data | Not enough data | 
| **Call Routing** | Not enough data | Not enough data | 
| **Alerts/Notifications** | Not enough data | Not enough data | 
| **Video Conferencing** | Not enough data | Not enough data | 
| **Call Conferencing** | Not enough data | Not enough data | 
| **Call Disposition** | Not enough data | Not enough data | 
| **Predictive Dialer** | Not enough data | Not enough data | 
| **Spam Blocker** | Not enough data | Not enough data | 
| **On-Demand Recording** | Not enough data | Not enough data | 
| **Caller Profiles** | Not enough data | Not enough data | 
| **Multiple User Accounts** | Not enough data | Not enough data | 
| **VoIP Connection** | Not enough data | Not enough data | 
| **Conferencing** | Not enough data | Not enough data | 
| **Text to Speech** | Not enough data | Not enough data | 
| **Reporting/Analytics** | Not enough data | Not enough data | 
| **VoIP** | Not enough data | Not enough data | 
| **Call Queues** | Not enough data | Not enough data | 
| **Call Screening** | Not enough data | Not enough data | 
| **Access Controls/Permissions** | Not enough data | Not enough data | 
| **Online Voice Transmission** | Not enough data | Not enough data | 
| **Unified Communications** | Not enough data | Not enough data | 
| **Voicemail Transcription** | Not enough data | Not enough data | 

---
## Categories
**Shared Categories (1):** [VoIP Providers](https://www.g2.com/categories/voip-providers)


**Unique to Yeastar S-Series VoIP PBX (1):** [Cloud PBX Platforms Software](https://www.g2.com/categories/cloud-pbx-platforms)


---
## Reviewer Demographics

### By Company Size

| Segment | Grandstream IP Video Phones | Yeastar S-Series VoIP PBX | 
|---|---|---|
| **Small-Business** | 38.5% | 87.5% | 
| **Mid-Market** | 46.2% | 12.5% | 
| **Enterprise** | 15.4% | 0% | 

### By Industry

#### Grandstream IP Video Phones

- **Telecommunications:** 30.8%
- **Information Technology and Services:** 15.4%
- **Program Development:** 7.7%
- **Online Media:** 7.7%
- **Non-Profit Organization Management:** 7.7%
- **Market Research:** 7.7%
- **Machinery:** 7.7%
- **Higher Education:** 7.7%
- **Computer & Network Security:** 7.7%

#### 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 Grandstream IP Video Phones

- [3CX](https://www.g2.com/products/3cx/reviews) — 4.4/5 stars (547 reviews)
- [GoTo Connect](https://www.g2.com/products/goto-connect/reviews) — 4.4/5 stars (1415 reviews)
- [Dialpad Connect](https://www.g2.com/products/dialpad-connect/reviews) — 4.4/5 stars (4201 reviews)
- [Webex Calling](https://www.g2.com/products/webex-calling/reviews) — 4.5/5 stars (636 reviews)
- [Nextiva](https://www.g2.com/products/nextiva/reviews) — 4.5/5 stars (3619 reviews)
- [Quo](https://www.g2.com/products/quo-quo/reviews) — 4.7/5 stars (3399 reviews)
- [8x8 Work](https://www.g2.com/products/8x8-work/reviews) — 4.2/5 stars (932 reviews)
- [Genesys Cloud CX](https://www.g2.com/products/genesys-cloud-cx/reviews) — 4.4/5 stars (1558 reviews)
- [Webex Suite](https://www.g2.com/products/cisco-webex-suite/reviews) — 4.2/5 stars (18925 reviews)
- [Zoom Phone](https://www.g2.com/products/zoom-zoom-phone/reviews) — 4.6/5 stars (2671 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 (636 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 (1558 reviews)
- [Nextiva](https://www.g2.com/products/nextiva/reviews) — 4.5/5 stars (3619 reviews)
- [GoTo Connect](https://www.g2.com/products/goto-connect/reviews) — 4.4/5 stars (1415 reviews)
- [RingEX](https://www.g2.com/products/ringex/reviews) — 4.2/5 stars (1430 reviews)
- [Aircall](https://www.g2.com/products/aircall/reviews) — 4.4/5 stars (1642 reviews)
- [Vonage Business Communications](https://www.g2.com/products/vonage-business-communications/reviews) — 4.3/5 stars (503 reviews)

---
## Top Discussions

### Grandstream IP Video Phones

No discussions available for this product.

### 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/grandstream-ip-video-phones-vs-yeastar-s-series-voip-pbx)