# Asterisk vs Zadarma Cloud PBX Comparison

| | Asterisk | Zadarma Cloud PBX | 
|---|---|---|
| **Star Rating** | 4.6 out of 5 | 4.6 out of 5 | 
| **Total Reviews** | 59 | 30 | 
| **Largest Market Segment** | Mid-Market (50.0% of reviews) | Small-Business (83.3% of reviews) | 
| **Entry Level Price** | $0.02 per minute | $79.00 Per Month | 

---
## Top Pros & Cons

### Asterisk

Pros:
- Customer Service (1 reviews)
- Easy Integration (1 reviews)

Cons:
- Complex Processes (2 reviews)
- Customer Service (1 reviews)

### Zadarma Cloud PBX

Pros:
- Business Tools (4 reviews)
- Easy Integration (3 reviews)

Cons:
- Call Issues (2 reviews)
- Platform Limitations (2 reviews)

---
## Ratings Comparison
| Rating | Asterisk | Zadarma Cloud PBX | 
|---|---|---|
  | **Meets Requirements** | 9.0 (45 reviews) | 7.6 (26 reviews) | 
  | **Ease of Use** | 7.8 (47 reviews) | 8.8 (26 reviews) | 
  | **Ease of Setup** | 7.5 (37 reviews) | 8.3 (24 reviews) | 
  | **Ease of Admin** | 7.9 (34 reviews) | Not enough data | 
  | **Quality of Support** | 8.3 (38 reviews) | 7.4 (26 reviews) | 
  | **Has the product been a good partner in doing business?** | 8.3 (27 reviews) | Not enough data | 
  | **Product Direction (% positive)** | 7.9 (45 reviews) | 8.7 (26 reviews) | 

---
## Pricing

### Asterisk

#### Entry-Level Pricing

Plan: Metered SIP Trunking

Price: $0.02 per minute

Description: Works well for businesses that may need more flexibility in their communications week to week.

Key Features:
- No set-up fees.
- Metered inbound and outbound local and long distance.
- Allows more dynamic call volume activity.

[Browse all 2 editions](https://www.g2.com/products/asterisk/pricing)

#### Free Trial

Yes

### Zadarma Cloud PBX

#### Entry-Level Pricing

Plan: Corporation - US/Canada

Price: $79.00 Per Month

Description: Per 20 users.

Key Features:
- Unlimited calls to the USA and Canada
- 8 virtual phone numbers, including two toll-free numbers
- Cloud storage

[Browse all 4 editions](https://www.g2.com/products/zadarma-cloud-pbx/pricing)

#### Free Trial

Yes

---
## Features Comparison By Category

### Cloud PBX Platforms

| Product | Score | Reviews |
|---|---|---|
| **Asterisk** | N/A | N/A |
| **Zadarma Cloud PBX** | N/A | N/A |

#### Basic Communication - Cloud PBX

| Feature | Asterisk | Zadarma Cloud 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 | 

#### Advanced Features - Cloud PBX

| Feature | Asterisk | Zadarma Cloud 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 | 

### VoIP Providers

| Product | Score | Reviews |
|---|---|---|
| **Asterisk** | 8.6/10 | 46 |
| **Zadarma Cloud PBX** | 7.0/10 | 26 |

#### Platform Basics - VoIP Providers

| Feature | Asterisk | Zadarma Cloud PBX | 
|---|---|---|
| **PBX systems, VoIP Softphone** | Not enough data | 10.0 (14 reviews) | 
| **Call Management** | Not enough data | 9.8 (18 reviews) | 
| **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 | 

#### Basic Communication

| Feature | Asterisk | Zadarma Cloud PBX | 
|---|---|---|
| **Phone Calls** | 9.5 (39 reviews) ✓ Verified | 8.0 (11 reviews) | 
| **Video Calls** | 8.1 (24 reviews) | 4.3 (5 reviews) | 
| **Instant Messaging** | 8.4 (23 reviews) ✓ Verified | 6.4 (6 reviews) | 
| **Screen Sharing** | 7.9 (21 reviews) | 5.0 (5 reviews) | 
| **Conference Calls** | 9.2 (34 reviews) ✓ Verified | 5.6 (6 reviews) | 
| **Desk-to-Desk Calls** | 9.0 (36 reviews) ✓ Verified | 6.2 (7 reviews) | 

#### Agentic AI - VoIP Providers

| Feature | Asterisk | Zadarma Cloud 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 | Asterisk | Zadarma Cloud PBX | 
|---|---|---|
| **Software Pairing** | 7.9 (25 reviews) | 6.1 (6 reviews) | 
| **Browser Extension** | 7.9 (23 reviews) ✓ Verified | 6.4 (6 reviews) | 
| **Individual Download** | 7.9 (24 reviews) | 6.0 (5 reviews) | 

#### Advanced Features

| Feature | Asterisk | Zadarma Cloud PBX | 
|---|---|---|
| **Hold Music** | 9.1 (35 reviews) ✓ Verified | 7.4 (9 reviews) | 
| **Automated Attendants** | 9.0 (32 reviews) ✓ Verified | 8.3 (13 reviews) | 
| **VOiP Number** | 9.0 (33 reviews) ✓ Verified | 8.5 (10 reviews) | 

### UCaaS Platforms

| Product | Score | Reviews |
|---|---|---|
| **Asterisk** | N/A | N/A |
| **Zadarma Cloud PBX** | N/A | N/A |

#### Agentic AI - UCaaS Platforms

| Feature | Asterisk | Zadarma Cloud 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 | Asterisk | Zadarma Cloud PBX | 
|---|---|---|
| **Tenancy Flexibility** | Not enough data | Not enough data | 
| **Native VoIP** | Not enough data | Not enough data | 
| **CCaaS Option** | Not enough data | Not enough data | 

#### Features

| Feature | Asterisk | Zadarma Cloud PBX | 
|---|---|---|
| **Voicemail to Email** | Not enough data | Not enough data | 
| **Voicemail to SMS** | Not enough data | Not enough data | 
| **File Sharing** | Not enough data | Not enough data | 
| **Voice Conferencing** | Not enough data | Not enough data | 
| **Video Conferencing** | Not enough data | Not enough data | 
| **Conference Transcripts** | Not enough data | Not enough data | 

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

**Unique to Asterisk (1):** [UCaaS Platforms](https://www.g2.com/categories/ucaas-platforms)

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


---
## Reviewer Demographics

### By Company Size

| Segment | Asterisk | Zadarma Cloud PBX | 
|---|---|---|
| **Small-Business** | 30.8% | 83.3% | 
| **Mid-Market** | 50.0% | 16.7% | 
| **Enterprise** | 19.2% | 0% | 

### By Industry

#### Asterisk

- **Telecommunications:** 28.8%
- **Information Technology and Services:** 21.2%
- **Banking:** 5.8%
- **Computer Software:** 5.8%
- **Accounting:** 3.8%
- **Computer & Network Security:** 3.8%
- **Facilities Services:** 3.8%
- **Broadcast Media:** 1.9%
- **Computer Networking:** 1.9%
- **Consumer Goods:** 1.9%
- **Other:** 21.2%

#### Zadarma Cloud PBX

- **Information Technology and Services:** 20.0%
- **Computer Software:** 10.0%
- **Marketing and Advertising:** 10.0%
- **Retail:** 6.7%
- **Management Consulting:** 6.7%
- **Leisure, Travel & Tourism:** 6.7%
- **Construction:** 6.7%
- **Music:** 3.3%
- **Venture Capital & Private Equity:** 3.3%
- **Writing and Editing:** 3.3%
- **Other:** 23.3%

---
## Alternatives

### Alternatives to Asterisk

- [3CX](https://www.g2.com/products/3cx/reviews) — 4.4/5 stars (547 reviews)
- [Cisco Unified Communications Manager (CallManager)](https://www.g2.com/products/cisco-unified-communications-manager-callmanager/reviews) — 4.4/5 stars (111 reviews)
- [RingEX](https://www.g2.com/products/ringex/reviews) — 4.2/5 stars (1415 reviews)
- [Zoom Workplace](https://www.g2.com/products/zoom-workplace/reviews) — 4.5/5 stars (56507 reviews)
- [Webex Calling](https://www.g2.com/products/webex-calling/reviews) — 4.5/5 stars (635 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 (4199 reviews)
- [Yeastar S-Series VoIP PBX](https://www.g2.com/products/yeastar-s-series-voip-pbx/reviews) — 4.9/5 stars (15 reviews)
- [Linphone](https://www.g2.com/products/linphone/reviews) — 4.4/5 stars (16 reviews)
- [Twilio Flex](https://www.g2.com/products/twilio-twilio-flex/reviews) — 4.1/5 stars (36 reviews)

### Alternatives to Zadarma Cloud PBX

- [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)
- [CloudTalk](https://www.g2.com/products/cloudtalk/reviews) — 4.4/5 stars (1848 reviews)
- [Dialpad Connect](https://www.g2.com/products/dialpad-connect/reviews) — 4.4/5 stars (4199 reviews)
- [JustCall](https://www.g2.com/products/saas-labs-justcall/reviews) — 4.3/5 stars (2388 reviews)
- [Quo](https://www.g2.com/products/quo-quo/reviews) — 4.7/5 stars (3394 reviews)
- [RingEX](https://www.g2.com/products/ringex/reviews) — 4.2/5 stars (1415 reviews)
- [Aircall](https://www.g2.com/products/aircall/reviews) — 4.4/5 stars (1626 reviews)
- [Telnyx CPaaS](https://www.g2.com/products/telnyx-cpaas/reviews) — 4.7/5 stars (525 reviews)
- [Ringover](https://www.g2.com/products/ringover/reviews) — 4.6/5 stars (495 reviews)

---
## Top Discussions

### Asterisk

No discussions available for this product.

### Zadarma Cloud PBX

- Title: [What is PBX Zadarma?](https://www.g2.com/discussions/what-is-pbx-zadarma) — 1 comment *(includes official response)*
  > **Top comment:** "Zadarma's cloud PBX - centralised communication solution for your business.
Virtual Zadarma PBX will help your business stay in touch 24/7. Regardless of..."
- Title: [What are some features of a PBX?](https://www.g2.com/discussions/what-are-some-features-of-a-pbx) — 1 comment *(includes official response)*
  > **Top comment:** "I can explain the PBX common features on Zadarma PBX example. Zadarma PBX offers: 
1. Call recording and call transfer with call performance statistics. 2...."

---
**Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/asterisk-vs-zadarma-cloud-pbx)