# Cisco Unified Communications Manager (CallManager) vs FreePBX Comparison
---
## AI Generated Summary
- Users report that Cisco Unified Communications Manager excels in phone call quality, with a rating of 9.8, while FreePBX follows closely with a rating of 9.5. Reviewers mention that the clarity and reliability of calls on Cisco's platform are particularly noteworthy.
- Reviewers mention that FreePBX shines in its automated attendants feature, receiving a perfect score of 10.0, compared to Cisco's 8.5. Users appreciate the flexibility and customization options available for managing incoming calls effectively.
- G2 users highlight that FreePBX offers superior VoIP number management, scoring 10.0, while Cisco's score is 9.0. Users say that FreePBX provides a more straightforward process for acquiring and managing VoIP numbers, making it a preferred choice for small businesses.
- Users on G2 report that Cisco Unified Communications Manager has a more robust conference call feature, scoring 9.4, compared to FreePBX's 8.8. Reviewers mention that Cisco's platform supports larger conference sizes and offers better integration with other collaboration tools.
- Reviewers mention that FreePBX has a higher ease of setup rating at 8.7 compared to Cisco's 7.0. Users say that FreePBX's user-friendly interface and straightforward installation process make it accessible for small businesses without extensive IT resources.
- Users report that Cisco Unified Communications Manager provides a higher quality of support, with a score of 8.6, while FreePBX scores 9.0. However, reviewers mention that FreePBX's community support is highly regarded, offering extensive resources and user forums for troubleshooting.



| | Cisco Unified Communications Manager (CallManager) | FreePBX | 
|---|---|---|
| **Star Rating** | 4.4 out of 5 | 4.5 out of 5 | 
| **Total Reviews** | 111 | 17 | 
| **Largest Market Segment** | Mid-Market (50.0% of reviews) | Small-Business (58.8% of reviews) | 
| **Entry Level Price** | No pricing available | No pricing available | 

---
## Top Pros & Cons

### Cisco Unified Communications Manager (CallManager)

Pros:
- Reliability (3 reviews)
- Video Conferencing (3 reviews)

Cons:
- Complex Processes (2 reviews)
- Billing Issues (1 reviews)

### FreePBX


Cons:
- Access Issues (1 reviews)
- Internet Dependency (1 reviews)

---
## Ratings Comparison
| Rating | Cisco Unified Communications Manager (CallManager) | FreePBX | 
|---|---|---|
  | **Meets Requirements** | 9.1 (91 reviews) | 9.3 (10 reviews) | 
  | **Ease of Use** | 8.1 (92 reviews) | 8.7 (10 reviews) | 
  | **Ease of Setup** | 6.9 (52 reviews) | 9.0 (8 reviews) | 
  | **Ease of Admin** | 8.0 (54 reviews) | 9.0 (8 reviews) | 
  | **Quality of Support** | 8.6 (87 reviews) | 8.9 (9 reviews) | 
  | **Has the product been a good partner in doing business?** | 8.7 (53 reviews) | 9.2 (8 reviews) | 
  | **Product Direction (% positive)** | 8.4 (90 reviews) | 8.8 (10 reviews) | 

---
## Pricing

### Cisco Unified Communications Manager (CallManager)

#### Entry-Level Pricing

No pricing available

#### Free Trial

No information available

### FreePBX

#### Entry-Level Pricing

No pricing available

#### Free Trial

No information available

---
## Features Comparison By Category

### Cloud PBX Platforms

| Product | Score | Reviews |
|---|---|---|
| **Cisco Unified Communications Manager (CallManager)** | N/A | N/A |
| **FreePBX** | N/A | N/A |

#### Basic Communication - Cloud PBX

| Feature | Cisco Unified Communications Manager (CallManager) | FreePBX | 
|---|---|---|
| **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 | Cisco Unified Communications Manager (CallManager) | FreePBX | 
|---|---|---|
| **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 |
|---|---|---|
| **Cisco Unified Communications Manager (CallManager)** | 8.6/10 | 46 |
| **FreePBX** | N/A | N/A |

#### Platform Basics - VoIP Providers

| Feature | Cisco Unified Communications Manager (CallManager) | FreePBX | 
|---|---|---|
| **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 | 

#### Basic Communication

| Feature | Cisco Unified Communications Manager (CallManager) | FreePBX | 
|---|---|---|
| **Phone Calls** | 9.8 (41 reviews) ✓ Verified | Not enough data | 
| **Video Calls** | 8.7 (29 reviews) ✓ Verified | Not enough data | 
| **Instant Messaging** | 8.2 (34 reviews) ✓ Verified | Not enough data | 
| **Screen Sharing** | 7.7 (8 reviews) | Not enough data | 
| **Conference Calls** | 9.4 (38 reviews) ✓ Verified | Not enough data | 
| **Desk-to-Desk Calls** | 9.8 (39 reviews) ✓ Verified | Not enough data | 

#### Agentic AI - VoIP Providers

| Feature | Cisco Unified Communications Manager (CallManager) | FreePBX | 
|---|---|---|
| **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 | Cisco Unified Communications Manager (CallManager) | FreePBX | 
|---|---|---|
| **Software Pairing** | 7.9 (29 reviews) | Not enough data | 
| **Browser Extension** | 7.6 (27 reviews) | Not enough data | 
| **Individual Download** | 7.3 (25 reviews) ✓ Verified | Not enough data | 

#### Advanced Features

| Feature | Cisco Unified Communications Manager (CallManager) | FreePBX | 
|---|---|---|
| **Hold Music** | 9.1 (33 reviews) ✓ Verified | Not enough data | 
| **Automated Attendants** | 8.6 (35 reviews) ✓ Verified | Not enough data | 
| **VOiP Number** | 9.1 (9 reviews) | Not enough data | 

### Audio Conferencing

| Product | Score | Reviews |
|---|---|---|
| **Cisco Unified Communications Manager (CallManager)** | N/A | N/A |
| **FreePBX** | N/A | N/A |

#### Agentic AI - Audio Conferencing

| Feature | Cisco Unified Communications Manager (CallManager) | FreePBX | 
|---|---|---|
| **Proactive Assistance** | Not enough data | Not enough data | 
| **Decision Making** | Not enough data | Not enough data | 

### UCaaS Platforms

| Product | Score | Reviews |
|---|---|---|
| **Cisco Unified Communications Manager (CallManager)** | N/A | N/A |
| **FreePBX** | N/A | N/A |

#### Agentic AI - UCaaS Platforms

| Feature | Cisco Unified Communications Manager (CallManager) | FreePBX | 
|---|---|---|
| **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 | Cisco Unified Communications Manager (CallManager) | FreePBX | 
|---|---|---|
| **Tenancy Flexibility** | Not enough data | Not enough data | 
| **Native VoIP** | Not enough data | Not enough data | 
| **CCaaS Option** | Feature Not Available | Not enough data | 

#### Features

| Feature | Cisco Unified Communications Manager (CallManager) | FreePBX | 
|---|---|---|
| **Voicemail to Email** | Not enough data | Not enough data | 
| **Voicemail to SMS** | Feature Not Available | 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

**Unique to Cisco Unified Communications Manager (CallManager) (3):** [UCaaS Platforms](https://www.g2.com/categories/ucaas-platforms), [VoIP Providers](https://www.g2.com/categories/voip-providers), [Audio Conferencing Software](https://www.g2.com/categories/audio-conferencing)

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


---
## Reviewer Demographics

### By Company Size

| Segment | Cisco Unified Communications Manager (CallManager) | FreePBX | 
|---|---|---|
| **Small-Business** | 6.7% | 58.8% | 
| **Mid-Market** | 50.0% | 35.3% | 
| **Enterprise** | 43.3% | 5.9% | 

### By Industry

#### Cisco Unified Communications Manager (CallManager)

- **Higher Education:** 15.4%
- **Information Technology and Services:** 13.5%
- **Computer Software:** 7.7%
- **Government Administration:** 4.8%
- **Telecommunications:** 4.8%
- **Insurance:** 4.8%
- **Hospital & Health Care:** 3.8%
- **Oil & Energy:** 3.8%
- **Banking:** 2.9%
- **Machinery:** 2.9%
- **Other:** 35.6%

#### FreePBX

- **Telecommunications:** 17.6%
- **Wholesale:** 5.9%
- **Transportation/Trucking/Railroad:** 5.9%
- **Public Relations and Communications:** 5.9%
- **Mechanical or Industrial Engineering:** 5.9%
- **Market Research:** 5.9%
- **Information Technology and Services:** 5.9%
- **Hospital & Health Care:** 5.9%
- **Health, Wellness and Fitness:** 5.9%
- **Gambling & Casinos:** 5.9%
- **Other:** 29.4%

---
## Alternatives

### Alternatives to Cisco Unified Communications Manager (CallManager)

- [Genesys Cloud CX](https://www.g2.com/products/genesys-cloud-cx/reviews) — 4.4/5 stars (1555 reviews)
- [RingEX](https://www.g2.com/products/ringex/reviews) — 4.2/5 stars (1406 reviews)
- [3CX](https://www.g2.com/products/3cx/reviews) — 4.4/5 stars (547 reviews)
- [Mitel](https://www.g2.com/products/mitel/reviews) — 3.8/5 stars (235 reviews)
- [Vonage Business Communications](https://www.g2.com/products/vonage-business-communications/reviews) — 4.3/5 stars (504 reviews)
- [Asterisk](https://www.g2.com/products/asterisk/reviews) — 4.6/5 stars (59 reviews)
- [GoTo Connect](https://www.g2.com/products/goto-connect/reviews) — 4.4/5 stars (1415 reviews)
- [Zoom Workplace](https://www.g2.com/products/zoom-workplace/reviews) — 4.5/5 stars (56487 reviews)
- [Twilio](https://www.g2.com/products/twilio/reviews) — 4.1/5 stars (528 reviews)
- [Dialpad Connect](https://www.g2.com/products/dialpad-connect/reviews) — 4.4/5 stars (4195 reviews)

### Alternatives to FreePBX

- [3CX](https://www.g2.com/products/3cx/reviews) — 4.4/5 stars (547 reviews)
- [RingEX](https://www.g2.com/products/ringex/reviews) — 4.2/5 stars (1406 reviews)
- [Vonage Business Communications](https://www.g2.com/products/vonage-business-communications/reviews) — 4.3/5 stars (504 reviews)
- [Webex Calling](https://www.g2.com/products/webex-calling/reviews) — 4.5/5 stars (635 reviews)
- [Nextiva](https://www.g2.com/products/nextiva/reviews) — 4.5/5 stars (3584 reviews)
- [CloudTalk](https://www.g2.com/products/cloudtalk/reviews) — 4.4/5 stars (1847 reviews)
- [8x8 Work](https://www.g2.com/products/8x8-work/reviews) — 4.2/5 stars (932 reviews)
- [Zoom Phone](https://www.g2.com/products/zoom-zoom-phone/reviews) — 4.6/5 stars (2670 reviews)
- [JustCall](https://www.g2.com/products/saas-labs-justcall/reviews) — 4.3/5 stars (2388 reviews)
- [Twilio](https://www.g2.com/products/twilio/reviews) — 4.1/5 stars (528 reviews)

---
## Top Discussions

### Cisco Unified Communications Manager (CallManager)

No discussions available for this product.

### FreePBX

No discussions available for this product.

---
**Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/cisco-unified-communications-manager-callmanager-vs-freepbx)