# 3CX, OpenText Core Fax vs Nextiva Comparison

| | 3CX | OpenText Core Fax | Nextiva | 
|---|---|---|---|
| **Star Rating** | 4.4 out of 5 | 4.5 out of 5 | 4.5 out of 5 | 
| **Total Reviews** | 547 | 53 | 3,568 | 
| **Largest Market Segment** | Mid-Market (55.0% of reviews) | Mid-Market (45.7% of reviews) | Small-Business (77.3% of reviews) | 
| **Entry Level Price** | Free 10 Users | No pricing available | Starting at $15.00 1 User Per Month | 

---
## Top Pros & Cons

### 3CX

Pros:
- Ease of Use (44 reviews)
- Reliability (31 reviews)

Cons:
- Complex Processes (11 reviews)
- Difficult Configuration (10 reviews)

### OpenText Core Fax

**Not enough data**

### Nextiva

Pros:
- Customer Support (127 reviews)
- Ease of Use (117 reviews)

Cons:
- Complexity (25 reviews)
- Difficult Configuration (25 reviews)

---
## Ratings Comparison
| Rating | 3CX | OpenText Core Fax | Nextiva | 
|---|---|---|---|
  | **Meets Requirements** | 8.9 (366 reviews) | 9.4 (38 reviews) | 9.0 (2839 reviews) | 
  | **Ease of Use** | 9.0 (374 reviews) | 9.2 (37 reviews) | 8.7 (2887 reviews) | 
  | **Ease of Setup** | 8.8 (254 reviews) | 8.6 (34 reviews) | 8.4 (2172 reviews) | 
  | **Ease of Admin** | 9.0 (237 reviews) | 8.6 (35 reviews) | 8.6 (1985 reviews) | 
  | **Quality of Support** | 7.9 (333 reviews) | 9.0 (36 reviews) | 9.0 (2823 reviews) | 
  | **Has the product been a good partner in doing business?** | 8.6 (227 reviews) | 9.1 (34 reviews) | 8.8 (1966 reviews) | 
  | **Product Direction (% positive)** | 8.4 (366 reviews) | 8.7 (37 reviews) | 8.3 (2714 reviews) | 

---
## Pricing

### 3CX

#### Entry-Level Pricing

Plan: 3CX SMB

Price: Free 10 Users

Description: Free for up to 10 users.

Key Features:
- Next-gen phone system
- Bring your own SIP Trunk
- WFH: remote-enable teams

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

#### Free Trial

Yes

### OpenText Core Fax

#### Entry-Level Pricing

No pricing available

#### Free Trial

Yes

### Nextiva

#### Entry-Level Pricing

Plan: Core

Price: Starting at $15.00 1 User Per Month

Description: For small teams! Reliably run your business and communicate with your team and customers through unified voice, video, SMS, and digital channels with instant setup, no hardware, centralized conversations, and built-in tools for productivity, collaboration, and responsiveness.

Key Features:
- Inbound & Outbound Voice
- Business SMS
- Video Meetings

[Browse all 6 editions](https://www.g2.com/products/nextiva/pricing)

#### Free Trial

Yes

---
## Features Comparison By Category

### Online Fax

| Product | Score | Reviews |
|---|---|---|
| **3CX** | N/A | N/A |
| **OpenText Core Fax** | 9.2/10 | 29 |
| **Nextiva** | N/A | N/A |

#### Documents

| Feature | 3CX | OpenText Core Fax | Nextiva | 
|---|---|---|---|
| **Editing** | Not enough data | 9.0 (13 reviews) | Not enough data | 
| **Document Signature ** | Not enough data | Feature Not Available | Not enough data | 
| **Storage** | Not enough data | 9.4 (17 reviews) | Not enough data | 

#### Agentic AI - Online Fax

| Feature | 3CX | OpenText Core Fax | Nextiva | 
|---|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | Not enough data | 
| **Cross-system Integration** | Not enough data | Not enough data | Not enough data | 

#### Sending

| Feature | 3CX | OpenText Core Fax | Nextiva | 
|---|---|---|---|
| **Fax Number** | Not enough data | 9.4 (19 reviews) | Not enough data | 
| **Existing Numbers** | Not enough data | 9.7 (20 reviews) | Not enough data | 
| **Cross-Platform Sending** | Not enough data | 9.3 (20 reviews) | Not enough data | 
| **Unlimited Sending** | Not enough data | 9.3 (19 reviews) | Not enough data | 
| **Contact Management** | Not enough data | 8.4 (17 reviews) | Not enough data | 
| **Alerts** | Not enough data | 9.1 (20 reviews) | Not enough data | 

### Contact Center

| Product | Score | Reviews |
|---|---|---|
| **3CX** | 8.2/10 | 303 |
| **OpenText Core Fax** | N/A | N/A |
| **Nextiva** | 8.5/10 | 207 |

#### Channels

| Feature | 3CX | OpenText Core Fax | Nextiva | 
|---|---|---|---|
| **Voice** | 9.4 (142 reviews) ✓ Verified | Not enough data | 9.4 (194 reviews) | 
| **Social** | Feature Not Available | Not enough data | 7.9 (176 reviews) | 
| **Web Chat** | 8.6 (94 reviews) ✓ Verified | Not enough data | 7.7 (174 reviews) | 
| **Mobile SMS** | 7.3 (71 reviews) | Not enough data | 8.2 (178 reviews) | 
| **Email** | Feature Not Available | Not enough data | 8.2 (168 reviews) | 

#### Generative AI

| Feature | 3CX | OpenText Core Fax | Nextiva | 
|---|---|---|---|
| **AI Text-to-Speech** | 6.9 (23 reviews) | Not enough data | 7.6 (84 reviews) | 

#### Functions

| Feature | 3CX | OpenText Core Fax | Nextiva | 
|---|---|---|---|
| **Session Routing** | 8.9 (181 reviews) ✓ Verified | Not enough data | 8.7 (173 reviews) | 
| **Session Queuing** | 8.9 (185 reviews) ✓ Verified | Not enough data | 8.6 (173 reviews) | 
| **Concurrent Calling** | 8.9 (184 reviews) ✓ Verified | Not enough data | 8.8 (174 reviews) | 
| **Speech Analytics** | Feature Not Available | Not enough data | 8.1 (171 reviews) | 
| **Auto Dialer** | 8.2 (93 reviews) | Not enough data | 8.2 (169 reviews) | 
| **IVR** | 9.1 (117 reviews) | Not enough data | 8.5 (176 reviews) | 
| **Inbound Screen Pop** | 8.8 (98 reviews) | Not enough data | 8.5 (169 reviews) | 
| **Persistent Data** | 8.4 (95 reviews) ✓ Verified | Not enough data | 8.4 (165 reviews) | 

#### Agentic AI - Contact Center

| Feature | 3CX | OpenText Core Fax | Nextiva | 
|---|---|---|---|
| **Autonomous Task Execution** | 6.3 (13 reviews) | Not enough data | 8.8 (11 reviews) | 
| **Cross-system Integration** | 7.0 (18 reviews) | Not enough data | 9.2 (11 reviews) | 
| **Natural Language Interaction** | 6.9 (12 reviews) | Not enough data | 9.2 (11 reviews) | 
| **Proactive Assistance** | 6.9 (12 reviews) | Not enough data | 9.2 (11 reviews) | 

#### Administrative

| Feature | 3CX | OpenText Core Fax | Nextiva | 
|---|---|---|---|
| **Session Summary Notes** | 8.3 (149 reviews) ✓ Verified | Not enough data | 8.3 (167 reviews) | 
| **Administrator Access** | 9.0 (179 reviews) ✓ Verified | Not enough data | 9.1 (176 reviews) | 
| **Reporting & Dashboards** | 8.4 (185 reviews) ✓ Verified | Not enough data | 8.9 (176 reviews) | 
| **Session Recording** | 9.0 (114 reviews) | Not enough data | 8.4 (166 reviews) | 
| **Agent Scheduling and Assignment** | 8.3 (103 reviews) ✓ Verified | Not enough data | 8.3 (160 reviews) | 

### Video Conferencing

| Product | Score | Reviews |
|---|---|---|
| **3CX** | 9.0/10 | 145 |
| **OpenText Core Fax** | N/A | N/A |
| **Nextiva** | N/A | N/A |

#### Collaboration Tools

| Feature | 3CX | OpenText Core Fax | Nextiva | 
|---|---|---|---|
| **Screen Sharing** | 8.8 (68 reviews) ✓ Verified | Not enough data | Not enough data | 
| **Presentations** | 9.1 (37 reviews) ✓ Verified | Not enough data | Not enough data | 
| **Whiteboarding** | 9.0 (33 reviews) | Not enough data | Not enough data | 
| **Live Chat** | 9.2 (39 reviews) ✓ Verified | Not enough data | Not enough data | 
| **Hand Raising** | 8.5 (34 reviews) ✓ Verified | Not enough data | Not enough data | 

#### Meeting Coordination

| Feature | 3CX | OpenText Core Fax | Nextiva | 
|---|---|---|---|
| **Scheduling** | 8.4 (71 reviews) ✓ Verified | Not enough data | Not enough data | 
| **Recording** | 9.1 (67 reviews) ✓ Verified | Not enough data | Not enough data | 
| **Participant Permissions** | 9.2 (69 reviews) ✓ Verified | Not enough data | Not enough data | 
| **One-Click Join** | 8.9 (41 reviews) ✓ Verified | Not enough data | Not enough data | 

#### Software Type

| Feature | 3CX | OpenText Core Fax | Nextiva | 
|---|---|---|---|
| **Mobile** | 9.0 (83 reviews) ✓ Verified | Not enough data | Not enough data | 
| **Browser Application** | 9.3 (46 reviews) ✓ Verified | Not enough data | Not enough data | 
| **Desktop Application** | 9.2 (44 reviews) ✓ Verified | Not enough data | Not enough data | 

#### Agentic AI - Video Conferencing

| Feature | 3CX | OpenText Core Fax | Nextiva | 
|---|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | Not enough data | 
| **Proactive Assistance** | Not enough data | Not enough data | Not enough data | 
| **Decision Making** | Not enough data | Not enough data | Not enough data | 

### Call Center Infrastructure (CCI)

| Product | Score | Reviews |
|---|---|---|
| **3CX** | 8.7/10 | 54 |
| **OpenText Core Fax** | N/A | N/A |
| **Nextiva** | 8.6/10 | 771 |

#### Platform

| Feature | 3CX | OpenText Core Fax | Nextiva | 
|---|---|---|---|
| **Omnichannel** | 7.7 (40 reviews) | Not enough data | 8.1 (465 reviews) | 
| **Mobile Access** | 8.9 (48 reviews) | Not enough data | 8.6 (666 reviews) | 
| **Queue Management** | 9.1 (46 reviews) | Not enough data | 8.6 (584 reviews) | 
| **Call Routing** | 8.8 (49 reviews) | Not enough data | 8.9 (692 reviews) | 
| **Call Back** | 8.9 (47 reviews) | Not enough data | 8.8 (605 reviews) | 
| **IVR** | 9.2 (42 reviews) | Not enough data | 8.3 (501 reviews) | 
| **Automatic Call Distribution** | 9.1 (46 reviews) | Not enough data | 8.6 (603 reviews) | 

#### Generative AI

| Feature | 3CX | OpenText Core Fax | Nextiva | 
|---|---|---|---|
| **AI Text-to-Speech** | 6.8 (14 reviews) | Not enough data | 7.7 (294 reviews) | 

#### Workforce Management

| Feature | 3CX | OpenText Core Fax | Nextiva | 
|---|---|---|---|
| **Call Monitoring** | 9.2 (48 reviews) | Not enough data | 8.7 (606 reviews) | 
| **Performance Evaluation** | 8.7 (47 reviews) | Not enough data | 8.7 (564 reviews) | 

#### Call Center Infrastructure (CCI)

| Feature | 3CX | OpenText Core Fax | Nextiva | 
|---|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | 8.8 (8 reviews) | 
| **Cross-system Integration** | Not enough data | Not enough data | 8.8 (8 reviews) | 
| **Natural Language Interaction** | Not enough data | Not enough data | 8.8 (8 reviews) | 
| **Proactive Assistance** | Not enough data | Not enough data | 8.8 (8 reviews) | 

#### Administrative

| Feature | 3CX | OpenText Core Fax | Nextiva | 
|---|---|---|---|
| **Call Recording** | 9.1 (49 reviews) | Not enough data | 8.6 (593 reviews) | 
| **Reporting & Dashboards** | 8.5 (48 reviews) | Not enough data | 8.7 (623 reviews) | 

### Live Chat

| Product | Score | Reviews |
|---|---|---|
| **3CX** | 8.5/10 | 57 |
| **OpenText Core Fax** | N/A | N/A |
| **Nextiva** | N/A | N/A |

#### Generative AI

| Feature | 3CX | OpenText Core Fax | Nextiva | 
|---|---|---|---|
| **AI Text Generation** | 6.3 (10 reviews) | Not enough data | Not enough data | 
| **AI Text Summarization** | 7.2 (9 reviews) | Not enough data | Not enough data | 
| **AI Text-to-Speech** | 7.4 (9 reviews) | Not enough data | Not enough data | 

#### Communication

| Feature | 3CX | OpenText Core Fax | Nextiva | 
|---|---|---|---|
| **Pop-up Chat** | 9.3 (37 reviews) | Not enough data | Not enough data | 
| **Notifications** | 9.3 (38 reviews) | Not enough data | Not enough data | 
| **Targeted Emails** | Feature Not Available | Not enough data | Not enough data | 
| **In-App Messaging** | 9.3 (37 reviews) | Not enough data | Not enough data | 
| **Co-Browsing** | Feature Not Available | Not enough data | Not enough data | 

####  Internal Use

| Feature | 3CX | OpenText Core Fax | Nextiva | 
|---|---|---|---|
| **Customization ** | 8.9 (43 reviews) | Not enough data | Not enough data | 
| **Conversation Archiving** | 8.9 (37 reviews) | Not enough data | Not enough data | 
| **Lead Development** | Feature Not Available | Not enough data | Not enough data | 
| **Knowledge Base** | Feature Not Available | Not enough data | Not enough data | 
| **Team Inbox ** | 8.9 (36 reviews) | Not enough data | Not enough data | 
| **Customer Profiles** | 9.0 (34 reviews) | Not enough data | Not enough data | 

### Cloud PBX Platforms

| Product | Score | Reviews |
|---|---|---|
| **3CX** | 8.7/10 | 28 |
| **OpenText Core Fax** | N/A | N/A |
| **Nextiva** | 9.1/10 | 43 |

#### Basic Communication - Cloud PBX

| Feature | 3CX | OpenText Core Fax | Nextiva | 
|---|---|---|---|
| **Call Management** | 9.7 (25 reviews) | Not enough data | 9.4 (31 reviews) | 
| **Communication Management** | 8.9 (21 reviews) | Not enough data | 9.1 (30 reviews) | 
| **Scalability** | 9.7 (21 reviews) | Not enough data | 9.3 (28 reviews) | 
| **Integrations** | 8.4 (23 reviews) | Not enough data | 8.5 (24 reviews) | 
| **Mobile Accessibility** | 9.6 (23 reviews) | Not enough data | 8.7 (31 reviews) | 
| **Accessibility** | 9.8 (23 reviews) | Not enough data | 9.0 (28 reviews) | 

#### Advanced Features - Cloud PBX

| Feature | 3CX | OpenText Core Fax | Nextiva | 
|---|---|---|---|
| **Security and Compliance** | 8.5 (20 reviews) | Not enough data | 9.1 (26 reviews) | 
| **Analytics and Reporting** | 7.7 (22 reviews) | Not enough data | 9.3 (29 reviews) | 
| **Support and Reliability** | 8.0 (22 reviews) | Not enough data | 9.1 (30 reviews) | 
| **Automated attendant** | 7.1 (22 reviews) | Not enough data | 9.1 (27 reviews) | 

### VoIP Providers

| Product | Score | Reviews |
|---|---|---|
| **3CX** | 8.5/10 | 281 |
| **OpenText Core Fax** | N/A | N/A |
| **Nextiva** | 8.2/10 | 1794 |

#### Platform Basics - VoIP Providers

| Feature | 3CX | OpenText Core Fax | Nextiva | 
|---|---|---|---|
| **PBX systems, VoIP Softphone** | 9.4 (21 reviews) | Not enough data | 8.6 (67 reviews) | 
| **Call Management** | 9.6 (19 reviews) | Not enough data | 8.8 (94 reviews) | 
| **Network monitoring** | 8.4 (19 reviews) | Not enough data | 8.2 (58 reviews) | 
| **Integrations** | 9.0 (19 reviews) | Not enough data | 8.0 (68 reviews) | 
| **Virtual PBX** | 9.1 (19 reviews) | Not enough data | 7.9 (54 reviews) | 
| **SIP trunking services** | 9.3 (19 reviews) | Not enough data | 7.7 (53 reviews) | 

#### Basic Communication

| Feature | 3CX | OpenText Core Fax | Nextiva | 
|---|---|---|---|
| **Phone Calls** | 9.5 (194 reviews) ✓ Verified | Not enough data | 9.2 (1698 reviews) ✓ Verified | 
| **Video Calls** | 8.4 (134 reviews) ✓ Verified | Not enough data | 7.9 (900 reviews) ✓ Verified | 
| **Instant Messaging** | 8.3 (133 reviews) ✓ Verified | Not enough data | 8.3 (1058 reviews) ✓ Verified | 
| **Screen Sharing** | 8.2 (118 reviews) ✓ Verified | Not enough data | 7.7 (829 reviews) | 
| **Conference Calls** | 8.8 (175 reviews) ✓ Verified | Not enough data | 8.6 (1160 reviews) ✓ Verified | 
| **Desk-to-Desk Calls** | 9.4 (187 reviews) ✓ Verified | Not enough data | 9.1 (1339 reviews) ✓ Verified | 

#### Agentic AI - VoIP Providers

| Feature | 3CX | OpenText Core Fax | Nextiva | 
|---|---|---|---|
| **Autonomous Task Execution** | 6.1 (9 reviews) | Not enough data | 7.7 (41 reviews) | 
| **Cross-system Integration** | 7.7 (8 reviews) | Not enough data | 7.8 (40 reviews) | 
| **Adaptive Learning** | 6.9 (8 reviews) | Not enough data | 7.6 (39 reviews) | 
| **Proactive Assistance** | 6.9 (8 reviews) | Not enough data | 7.6 (40 reviews) | 

#### Access

| Feature | 3CX | OpenText Core Fax | Nextiva | 
|---|---|---|---|
| **Software Pairing** | 8.4 (117 reviews) ✓ Verified | Not enough data | 8.0 (903 reviews) | 
| **Browser Extension** | 8.5 (155 reviews) ✓ Verified | Not enough data | 8.1 (897 reviews) | 
| **Individual Download** | 8.4 (164 reviews) ✓ Verified | Not enough data | 8.5 (1039 reviews) ✓ Verified | 

#### Advanced Features

| Feature | 3CX | OpenText Core Fax | Nextiva | 
|---|---|---|---|
| **Hold Music** | 8.6 (174 reviews) ✓ Verified | Not enough data | 8.3 (1173 reviews) ✓ Verified | 
| **Automated Attendants** | 9.0 (162 reviews) ✓ Verified | Not enough data | 8.6 (1244 reviews) ✓ Verified | 
| **VOiP Number** | Feature Not Available | Not enough data | 9.1 (1490 reviews) | 

### AI Voice Assistants

| Product | Score | Reviews |
|---|---|---|
| **3CX** | N/A | N/A |
| **OpenText Core Fax** | N/A | N/A |
| **Nextiva** | N/A | N/A |

#### Voice Recognition - AI Voice Assistants

| Feature | 3CX | OpenText Core Fax | Nextiva | 
|---|---|---|---|
| **Voice Recognition** | Not enough data | Not enough data | Not enough data | 

#### Speech Synthesis - AI Voice Assistants

| Feature | 3CX | OpenText Core Fax | Nextiva | 
|---|---|---|---|
| **Speech Synthesis** | Not enough data | Not enough data | Not enough data | 
| **Customizable speech** | Not enough data | Not enough data | Not enough data | 
| **Multiple voice actions** | Not enough data | Not enough data | Not enough data | 

#### Security and privacy - AI Voice Assistants

| Feature | 3CX | OpenText Core Fax | Nextiva | 
|---|---|---|---|
| **Encrypted communication** | Not enough data | Not enough data | Not enough data | 

#### Compatibility - AI Voice Assistants

| Feature | 3CX | OpenText Core Fax | Nextiva | 
|---|---|---|---|
| **Cross platform compatibility** | Not enough data | Not enough data | Not enough data | 

### UCaaS Platforms

| Product | Score | Reviews |
|---|---|---|
| **3CX** | 9.2/10 | 74 |
| **OpenText Core Fax** | N/A | N/A |
| **Nextiva** | 8.6/10 | 203 |

#### Agentic AI - UCaaS Platforms

| Feature | 3CX | OpenText Core Fax | Nextiva | 
|---|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | 8.1 (7 reviews) | 
| **Cross-system Integration** | Not enough data | Not enough data | 8.1 (7 reviews) | 
| **Adaptive Learning** | Not enough data | Not enough data | 8.3 (8 reviews) | 
| **Natural Language Interaction** | Not enough data | Not enough data | 8.6 (7 reviews) | 

#### Extensions

| Feature | 3CX | OpenText Core Fax | Nextiva | 
|---|---|---|---|
| **Tenancy Flexibility** | Feature Not Available | Not enough data | 8.5 (149 reviews) ✓ Verified | 
| **Native VoIP** | 9.7 (24 reviews) ✓ Verified | Not enough data | 9.1 (159 reviews) ✓ Verified | 
| **CCaaS Option** | 9.0 (22 reviews) ✓ Verified | Not enough data | 8.8 (147 reviews) ✓ Verified | 

#### Features

| Feature | 3CX | OpenText Core Fax | Nextiva | 
|---|---|---|---|
| **Voicemail to Email** | 9.4 (24 reviews) ✓ Verified | Not enough data | 9.2 (185 reviews) ✓ Verified | 
| **Voicemail to SMS** | Feature Not Available | Not enough data | 8.5 (154 reviews) | 
| **File Sharing** | 8.7 (18 reviews) ✓ Verified | Not enough data | 8.3 (142 reviews) ✓ Verified | 
| **Voice Conferencing** | 9.4 (28 reviews) ✓ Verified | Not enough data | 9.0 (156 reviews) ✓ Verified | 
| **Video Conferencing** | 8.6 (27 reviews) ✓ Verified | Not enough data | 8.4 (146 reviews) ✓ Verified | 
| **Conference Transcripts** | Feature Not Available | Not enough data | Feature Not Available | 

---
## Categories

**Unique to 3CX (7):** [UCaaS Platforms](https://www.g2.com/categories/ucaas-platforms), [Live Chat Software](https://www.g2.com/categories/live-chat), [VoIP Providers](https://www.g2.com/categories/voip-providers), [Contact Center Software](https://www.g2.com/categories/contact-center), [Video Conferencing Software](https://www.g2.com/categories/video-conferencing), [Call Center Infrastructure (CCI) Software](https://www.g2.com/categories/call-center-infrastructure-cci), [Cloud PBX Platforms Software](https://www.g2.com/categories/cloud-pbx-platforms)

**Unique to OpenText Core Fax (1):** [Online Fax Software](https://www.g2.com/categories/online-fax)

**Unique to Nextiva (6):** [UCaaS Platforms](https://www.g2.com/categories/ucaas-platforms), [AI Voice Assistants](https://www.g2.com/categories/ai-voice-assistants), [Contact Center Software](https://www.g2.com/categories/contact-center), [VoIP Providers](https://www.g2.com/categories/voip-providers), [Call Center Infrastructure (CCI) Software](https://www.g2.com/categories/call-center-infrastructure-cci), [Cloud PBX Platforms Software](https://www.g2.com/categories/cloud-pbx-platforms)


---
## Reviewer Demographics

### By Company Size

| Segment | 3CX | OpenText Core Fax | Nextiva | 
|---|---|---|---|
| **Small-Business** | 36.1% | 15.2% | 77.3% | 
| **Mid-Market** | 55.0% | 45.7% | 21.5% | 
| **Enterprise** | 8.9% | 39.1% | 1.2% | 

### By Industry

#### 3CX

- **Information Technology and Services:** 10.6%
- **Hospital & Health Care:** 5.4%
- **Education Management:** 5.2%
- **Telecommunications:** 4.9%
- **Construction:** 4.2%
- **Computer Software:** 4.0%
- **Financial Services:** 4.0%
- **Computer & Network Security:** 3.8%
- **E-Learning:** 3.5%
- **Insurance:** 3.1%
- **Other:** 51.4%

#### OpenText Core Fax

- **Higher Education:** 17.4%
- **Information Technology and Services:** 10.9%
- **Hospital & Health Care:** 8.7%
- **Government Administration:** 8.7%
- **Financial Services:** 6.5%
- **Automotive:** 4.3%
- **Banking:** 4.3%
- **Health, Wellness and Fitness:** 4.3%
- **Education Management:** 4.3%
- **Accounting:** 2.2%
- **Other:** 28.3%

#### Nextiva

- **Hospital & Health Care:** 6.0%
- **Insurance:** 5.7%
- **Construction:** 5.2%
- **Financial Services:** 4.6%
- **Real Estate:** 3.9%
- **Information Technology and Services:** 3.8%
- **Health, Wellness and Fitness:** 3.8%
- **Medical Practice:** 3.6%
- **Law Practice:** 3.5%
- **Legal Services:** 3.2%
- **Other:** 56.6%

---
## Alternatives

### Alternatives to 3CX

- [Genesys Cloud CX](https://www.g2.com/products/genesys-cloud-cx/reviews) — 4.4/5 stars (1550 reviews)
- [RingEX](https://www.g2.com/products/ringex/reviews) — 4.2/5 stars (1371 reviews)
- [Webex Calling](https://www.g2.com/products/webex-calling/reviews) — 4.5/5 stars (633 reviews)
- [Dialpad Connect](https://www.g2.com/products/dialpad-connect/reviews) — 4.4/5 stars (4168 reviews)
- [Aircall](https://www.g2.com/products/aircall/reviews) — 4.4/5 stars (1593 reviews)
- [GoTo Connect](https://www.g2.com/products/goto-connect/reviews) — 4.4/5 stars (1415 reviews)
- [Yeastar P-Series PBX System](https://www.g2.com/products/yeastar-p-series-pbx-system/reviews) — 4.8/5 stars (81 reviews)
- [Vonage Business Communications](https://www.g2.com/products/vonage-business-communications/reviews) — 4.3/5 stars (502 reviews)
- [Mitel](https://www.g2.com/products/mitel/reviews) — 3.8/5 stars (235 reviews)
- [Five9 Intelligent Cloud Contact Center Platform](https://www.g2.com/products/five9-intelligent-cloud-contact-center-platform/reviews) — 4.1/5 stars (611 reviews)

### Alternatives to OpenText Core Fax

- [Documo](https://www.g2.com/products/documo/reviews) — 4.6/5 stars (199 reviews)
- [HelloFax](https://www.g2.com/products/hellofax/reviews) — 4.5/5 stars (57 reviews)
- [iFax](https://www.g2.com/products/ifax/reviews) — 4.7/5 stars (478 reviews)
- [CocoFax](https://www.g2.com/products/cocofax/reviews) — 4.6/5 stars (188 reviews)
- [RingEX](https://www.g2.com/products/ringex/reviews) — 4.2/5 stars (1371 reviews)
- [GoTo Connect](https://www.g2.com/products/goto-connect/reviews) — 4.4/5 stars (1415 reviews)
- [eFax Online Fax Service](https://www.g2.com/products/efax-online-fax-service/reviews) — 4.4/5 stars (191 reviews)
- [Upland InterFAX](https://www.g2.com/products/upland-interfax/reviews) — 4.6/5 stars (145 reviews)
- [WestFax](https://www.g2.com/products/westfax/reviews) — 4.8/5 stars (31 reviews)
- [Fax.Plus](https://www.g2.com/products/alohi-fax-plus/reviews) — 4.7/5 stars (59 reviews)

### Alternatives to Nextiva

- [Aircall](https://www.g2.com/products/aircall/reviews) — 4.4/5 stars (1593 reviews)
- [RingEX](https://www.g2.com/products/ringex/reviews) — 4.2/5 stars (1371 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 (927 reviews)
- [Vonage Business Communications](https://www.g2.com/products/vonage-business-communications/reviews) — 4.3/5 stars (502 reviews)
- [Genesys Cloud CX](https://www.g2.com/products/genesys-cloud-cx/reviews) — 4.4/5 stars (1550 reviews)
- [Talkdesk](https://www.g2.com/products/talkdesk/reviews) — 4.4/5 stars (2505 reviews)
- [Dialpad Connect](https://www.g2.com/products/dialpad-connect/reviews) — 4.4/5 stars (4168 reviews)
- [Intermedia Unite](https://www.g2.com/products/intermedia-unite/reviews) — 4.5/5 stars (520 reviews)
- [JustCall](https://www.g2.com/products/saas-labs-justcall/reviews) — 4.3/5 stars (2385 reviews)

---
## Top Discussions

### 3CX

- Title: [How do I integrate 3CX to my CRM](https://www.g2.com/discussions/how-do-i-integrate-3cx-to-my-crm) — 2 comments, 1 upvote
  > **Top comment:** "In order to do this there are 2 things you need to do:
1) Make sure you are using either the 3CX WebClient or 3CX Desktop App to make calls
2) Use either..."
- Title: [Getting STUN setup for remote employees has been a challenge during this COVID-19 pandemic.](https://www.g2.com/discussions/25993-getting-stun-setup-for-remote-employees-has-been-a-challenge-during-this-covid-19-pandemic) — 2 comments, 1 upvote
  > **Top comment:** "Hello Tim,

Thank you for your question. As this is a technical issue, I would advise you to open a support ticket with our team, which is available for..."
- Title: [What is 3CX used for?](https://www.g2.com/discussions/what-is-3cx-used-for) — 1 comment, 1 upvote
  > **Top comment:** "Business communication system primarily used for VoIP Phone System"
- Title: [Arabic Support !?](https://www.g2.com/discussions/arabic-support) — 1 comment, 1 upvote
  > **Top comment:** "I am not sure if they support in arabic language but the language has issues in 3cx as it is written from right to left."
- Title: [Teams integration](https://www.g2.com/discussions/34346-teams-integration) — 1 comment, 1 upvote
  > **Top comment:** "www.ring2teams.com/3cx

Let me know if you would like a free trial 

luke@exceltelecom.co.uk"

### OpenText Core Fax

- Title: [Is MAC on the roadmap for the Xmedius App?](https://www.g2.com/discussions/29972-is-mac-on-the-roadmap-for-the-xmedius-app) — 2 comments *(includes official response)*
  > **Top comment:** "Comment deleted by user."

### Nextiva

- Title: [What is VoIP feature?](https://www.g2.com/discussions/what-is-voip-feature) — 3 comments
  > **Top comment:** "Voip feature just means you can make calls over the internet, rather than a connected phone line or cell network. 
"
- Title: [What does nextiva do?](https://www.g2.com/discussions/what-does-nextiva-do) — 3 comments
  > **Top comment:** "provide phone service"
- Title: [How has Nextiva revolutionized business communication systems with its VoIP solutions?](https://www.g2.com/discussions/how-has-nextiva-revolutionized-business-communication-systems-with-its-voip-solutions) — 2 comments
  > **Top comment:** "From my perspective - Nextiva made everything seamless like it's part of my normal work system/equipment.  I don't feel like I have to do any extra logging..."
- Title: [What is Nextiva used for?](https://www.g2.com/discussions/what-is-nextiva-used-for) — 2 comments
  > **Top comment:** "They are in the business of sneak auto-renewals, being difficult to reach, and deferring everything to their legal department. "
- Title: [For those who switched to Nextiva from another service, whom did you come from, and do you feel there is parity between Nextiva and your previous provider?](https://www.g2.com/discussions/for-those-who-switched-to-nextiva-from-another-service-whom-did-you-come-from-and-do-you-feel-there-is-parity-between-nextiva-and-your-previous-provider) — 2 comments, 1 upvote
  > **Top comment:** "Good day everyone on this platform I wanna use this medium to express how you can recover your lost fund from forex, binary options scam companies or fake..."

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**Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/3cx-vs-opentext-core-fax-vs-nextiva)