# CallTower vs Nextiva Comparison
---
## AI Generated Summary
- **G2 reviewers report** that Nextiva excels in overall user satisfaction, boasting a significantly higher G2 Score compared to CallTower. Users appreciate the platform's **reliable service** and **excellent customer support** , which they find crucial for maintaining efficient communication across multiple locations.
- **Users say** that Nextiva's implementation process is notably smooth, with many highlighting the **intuitive onboarding wizard** that makes setup easy. In contrast, while CallTower also receives praise for its straightforward setup, it lacks the same level of comprehensive support that Nextiva offers during the initial stages.
- **Reviewers mention** that Nextiva's performance is consistent, with minimal downtime reported. This reliability is a key factor for users who depend on **VOIP calling** for their business operations, whereas CallTower, while reliable, does not match the same level of performance consistency.
- **According to verified reviews** , Nextiva shines in its feature set, particularly in areas like **call routing** and **queue management** , which users find enhances their operational efficiency. CallTower, while offering good features, does not provide the same breadth of functionality that Nextiva users enjoy.
- **Users highlight** that Nextiva's customer support is a standout feature, with many praising the responsiveness and effectiveness of the support team. CallTower also receives positive feedback for its support, but users feel that Nextiva's team is more proactive in addressing issues.
- **Reviewers note** that Nextiva is particularly well-suited for small businesses, with a large percentage of its user base falling into this category. In contrast, CallTower is more favored by mid-market companies, which may limit its appeal for smaller organizations looking for tailored solutions.



| | CallTower | Nextiva | 
|---|---|---|
| **Star Rating** | 4.3 out of 5 | 4.5 out of 5 | 
| **Total Reviews** | 373 | 3,570 | 
| **Largest Market Segment** | Mid-Market (63.6% of reviews) | Small-Business (77.3% of reviews) | 
| **Entry Level Price** | No pricing available | Starting at $15.00 1 User Per Month | 

---
## Top Pros & Cons

### CallTower

Pros:
- Customer Support (65 reviews)
- Helpful (57 reviews)

Cons:
- Customer Service (19 reviews)
- Poor Customer Support (16 reviews)

### Nextiva

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

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

---
## Ratings Comparison
| Rating | CallTower | Nextiva | 
|---|---|---|
  | **Meets Requirements** | 9.0 (290 reviews) | 9.0 (2841 reviews) | 
  | **Ease of Use** | 8.8 (295 reviews) | 8.7 (2889 reviews) | 
  | **Ease of Setup** | 8.5 (264 reviews) | 8.4 (2174 reviews) | 
  | **Ease of Admin** | 8.4 (244 reviews) | 8.6 (1985 reviews) | 
  | **Quality of Support** | 8.7 (286 reviews) | 9.0 (2825 reviews) | 
  | **Has the product been a good partner in doing business?** | 8.9 (247 reviews) | 8.8 (1966 reviews) | 
  | **Product Direction (% positive)** | 8.0 (278 reviews) | 8.3 (2716 reviews) | 

---
## Pricing

### CallTower

#### Entry-Level Pricing

No pricing available

#### Free Trial

No information available

### 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

### Contact Center

| Product | Score | Reviews |
|---|---|---|
| **CallTower** | 10.0/10 | 13 |
| **Nextiva** | 8.5/10 | 207 |

#### Channels

| Feature | CallTower | Nextiva | 
|---|---|---|
| **Voice** | 9.4 (9 reviews) | 9.4 (194 reviews) | 
| **Social** | Not enough data | 7.9 (176 reviews) | 
| **Web Chat** | Not enough data | 7.7 (174 reviews) | 
| **Mobile SMS** | Not enough data | 8.2 (178 reviews) | 
| **Email** | Not enough data | 8.2 (168 reviews) | 

#### Generative AI

| Feature | CallTower | Nextiva | 
|---|---|---|
| **AI Text-to-Speech** | Not enough data | 7.6 (84 reviews) | 

#### Functions

| Feature | CallTower | Nextiva | 
|---|---|---|
| **Session Routing** | 7.7 (5 reviews) | 8.7 (173 reviews) | 
| **Session Queuing** | 9.0 (5 reviews) | 8.6 (173 reviews) | 
| **Concurrent Calling** | 8.7 (5 reviews) | 8.8 (174 reviews) | 
| **Speech Analytics** | Not enough data | 8.1 (171 reviews) | 
| **Auto Dialer** | Not enough data | 8.2 (169 reviews) | 
| **IVR** | Not enough data | 8.5 (176 reviews) | 
| **Inbound Screen Pop** | Not enough data | 8.5 (169 reviews) | 
| **Persistent Data** | Not enough data | 8.4 (165 reviews) | 

#### Agentic AI - Contact Center

| Feature | CallTower | Nextiva | 
|---|---|---|
| **Autonomous Task Execution** | Not enough data | 8.8 (11 reviews) | 
| **Cross-system Integration** | Not enough data | 9.2 (11 reviews) | 
| **Natural Language Interaction** | Not enough data | 9.2 (11 reviews) | 
| **Proactive Assistance** | Not enough data | 9.2 (11 reviews) | 

#### Administrative

| Feature | CallTower | Nextiva | 
|---|---|---|
| **Session Summary Notes** | Not enough data | 8.3 (167 reviews) | 
| **Administrator Access** | 9.0 (7 reviews) | 9.1 (176 reviews) | 
| **Reporting & Dashboards** | 8.6 (6 reviews) | 8.9 (176 reviews) | 
| **Session Recording** | Not enough data | 8.4 (166 reviews) | 
| **Agent Scheduling and Assignment** | 9.3 (5 reviews) | 8.3 (160 reviews) | 

### Call Center Infrastructure (CCI)

| Product | Score | Reviews |
|---|---|---|
| **CallTower** | 8.0/10 | 34 |
| **Nextiva** | 8.6/10 | 771 |

#### Platform

| Feature | CallTower | Nextiva | 
|---|---|---|
| **Omnichannel** | 7.4 (25 reviews) | 8.1 (465 reviews) | 
| **Mobile Access** | 7.7 (32 reviews) | 8.6 (666 reviews) | 
| **Queue Management** | 8.0 (29 reviews) | 8.6 (584 reviews) | 
| **Call Routing** | 8.4 (31 reviews) | 8.9 (692 reviews) | 
| **Call Back** | 8.0 (28 reviews) | 8.8 (605 reviews) | 
| **IVR** | 8.0 (27 reviews) | 8.3 (501 reviews) | 
| **Automatic Call Distribution** | 8.5 (30 reviews) | 8.6 (603 reviews) | 

#### Generative AI

| Feature | CallTower | Nextiva | 
|---|---|---|
| **AI Text-to-Speech** | 7.4 (24 reviews) | 7.7 (294 reviews) | 

#### Workforce Management

| Feature | CallTower | Nextiva | 
|---|---|---|
| **Call Monitoring** | 8.2 (30 reviews) | 8.7 (606 reviews) | 
| **Performance Evaluation** | 8.1 (30 reviews) | 8.7 (564 reviews) | 

#### Call Center Infrastructure (CCI)

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

#### Administrative

| Feature | CallTower | Nextiva | 
|---|---|---|
| **Call Recording** | 8.0 (27 reviews) | 8.6 (593 reviews) | 
| **Reporting & Dashboards** | 8.1 (27 reviews) | 8.7 (623 reviews) | 

### Cloud PBX Platforms

| Product | Score | Reviews |
|---|---|---|
| **CallTower** | N/A | N/A |
| **Nextiva** | 9.1/10 | 43 |

#### Basic Communication - Cloud PBX

| Feature | CallTower | Nextiva | 
|---|---|---|
| **Call Management** | Not enough data | 9.4 (31 reviews) | 
| **Communication Management** | Not enough data | 9.1 (30 reviews) | 
| **Scalability** | Not enough data | 9.3 (28 reviews) | 
| **Integrations** | Not enough data | 8.5 (24 reviews) | 
| **Mobile Accessibility** | Not enough data | 8.7 (31 reviews) | 
| **Accessibility** | Not enough data | 9.0 (28 reviews) | 

#### Advanced Features - Cloud PBX

| Feature | CallTower | Nextiva | 
|---|---|---|
| **Security and Compliance** | Not enough data | 9.1 (26 reviews) | 
| **Analytics and Reporting** | Not enough data | 9.3 (29 reviews) | 
| **Support and Reliability** | Not enough data | 9.1 (30 reviews) | 
| **Automated attendant** | Not enough data | 9.1 (27 reviews) | 

### VoIP Providers

| Product | Score | Reviews |
|---|---|---|
| **CallTower** | 7.5/10 | 177 |
| **Nextiva** | 8.2/10 | 1796 |

#### Platform Basics - VoIP Providers

| Feature | CallTower | Nextiva | 
|---|---|---|
| **PBX systems, VoIP Softphone** | 8.5 (22 reviews) | 8.7 (68 reviews) | 
| **Call Management** | 8.8 (23 reviews) | 8.8 (95 reviews) | 
| **Network monitoring** | 6.8 (21 reviews) | 8.2 (58 reviews) | 
| **Integrations** | 8.0 (25 reviews) | 8.0 (68 reviews) | 
| **Virtual PBX** | 7.2 (21 reviews) | 7.9 (54 reviews) | 
| **SIP trunking services** | 7.0 (22 reviews) | 7.7 (53 reviews) | 

#### Basic Communication

| Feature | CallTower | Nextiva | 
|---|---|---|
| **Phone Calls** | 9.0 (164 reviews) | 9.2 (1700 reviews) ✓ Verified | 
| **Video Calls** | 7.9 (130 reviews) | 7.9 (900 reviews) ✓ Verified | 
| **Instant Messaging** | 7.5 (125 reviews) | 8.3 (1058 reviews) ✓ Verified | 
| **Screen Sharing** | 7.9 (122 reviews) | 7.7 (829 reviews) | 
| **Conference Calls** | 8.4 (143 reviews) | 8.6 (1161 reviews) ✓ Verified | 
| **Desk-to-Desk Calls** | 8.7 (147 reviews) | 9.1 (1339 reviews) ✓ Verified | 

#### Agentic AI - VoIP Providers

| Feature | CallTower | Nextiva | 
|---|---|---|
| **Autonomous Task Execution** | 6.0 (12 reviews) | 7.7 (41 reviews) | 
| **Cross-system Integration** | 6.0 (12 reviews) | 7.8 (40 reviews) | 
| **Adaptive Learning** | 5.9 (11 reviews) | 7.6 (39 reviews) | 
| **Proactive Assistance** | 5.8 (11 reviews) | 7.6 (40 reviews) | 

#### Access

| Feature | CallTower | Nextiva | 
|---|---|---|
| **Software Pairing** | 7.9 (125 reviews) | 8.0 (903 reviews) | 
| **Browser Extension** | 7.2 (114 reviews) | 8.1 (897 reviews) | 
| **Individual Download** | 7.4 (111 reviews) | 8.5 (1040 reviews) ✓ Verified | 

#### Advanced Features

| Feature | CallTower | Nextiva | 
|---|---|---|
| **Hold Music** | 7.4 (130 reviews) | 8.3 (1173 reviews) ✓ Verified | 
| **Automated Attendants** | 7.9 (140 reviews) | 8.6 (1244 reviews) ✓ Verified | 
| **VOiP Number** | 8.8 (144 reviews) | 9.1 (1490 reviews) | 

### AI Voice Assistants

| Product | Score | Reviews |
|---|---|---|
| **CallTower** | N/A | N/A |
| **Nextiva** | N/A | N/A |

#### Voice Recognition - AI Voice Assistants

| Feature | CallTower | Nextiva | 
|---|---|---|
| **Voice Recognition** | Not enough data | Not enough data | 

#### Speech Synthesis - AI Voice Assistants

| Feature | CallTower | Nextiva | 
|---|---|---|
| **Speech Synthesis** | Not enough data | Not enough data | 
| **Customizable speech** | Not enough data | Not enough data | 
| **Multiple voice actions** | Not enough data | Not enough data | 

#### Security and privacy - AI Voice Assistants

| Feature | CallTower | Nextiva | 
|---|---|---|
| **Encrypted communication** | Not enough data | Not enough data | 

#### Compatibility - AI Voice Assistants

| Feature | CallTower | Nextiva | 
|---|---|---|
| **Cross platform compatibility** | Not enough data | Not enough data | 

### UCaaS Platforms

| Product | Score | Reviews |
|---|---|---|
| **CallTower** | 7.1/10 | 87 |
| **Nextiva** | 8.6/10 | 203 |

#### Agentic AI - UCaaS Platforms

| Feature | CallTower | Nextiva | 
|---|---|---|
| **Autonomous Task Execution** | 5.9 (17 reviews) | 8.1 (7 reviews) | 
| **Cross-system Integration** | 7.2 (23 reviews) | 8.1 (7 reviews) | 
| **Adaptive Learning** | 5.9 (17 reviews) | 8.3 (8 reviews) | 
| **Natural Language Interaction** | 5.7 (16 reviews) | 8.6 (7 reviews) | 

#### Extensions

| Feature | CallTower | Nextiva | 
|---|---|---|
| **Tenancy Flexibility** | 7.2 (65 reviews) | 8.5 (149 reviews) ✓ Verified | 
| **Native VoIP** | 8.0 (72 reviews) | 9.1 (159 reviews) ✓ Verified | 
| **CCaaS Option** | 7.4 (63 reviews) | 8.8 (147 reviews) ✓ Verified | 

#### Features

| Feature | CallTower | Nextiva | 
|---|---|---|
| **Voicemail to Email** | 8.3 (70 reviews) | 9.2 (185 reviews) ✓ Verified | 
| **Voicemail to SMS** | 6.9 (62 reviews) | 8.5 (154 reviews) | 
| **File Sharing** | 6.7 (58 reviews) | 8.3 (142 reviews) ✓ Verified | 
| **Voice Conferencing** | 8.1 (67 reviews) | 9.0 (156 reviews) ✓ Verified | 
| **Video Conferencing** | 7.8 (63 reviews) | 8.4 (146 reviews) ✓ Verified | 
| **Conference Transcripts** | 7.0 (61 reviews) | Feature Not Available | 

---
## Categories
**Shared Categories (4):** [UCaaS Platforms](https://www.g2.com/categories/ucaas-platforms), [VoIP Providers](https://www.g2.com/categories/voip-providers), [Call Center Infrastructure (CCI) Software](https://www.g2.com/categories/call-center-infrastructure-cci), [Contact Center Software](https://www.g2.com/categories/contact-center)


**Unique to Nextiva (2):** [AI Voice Assistants](https://www.g2.com/categories/ai-voice-assistants), [Cloud PBX Platforms Software](https://www.g2.com/categories/cloud-pbx-platforms)


---
## Reviewer Demographics

### By Company Size

| Segment | CallTower | Nextiva | 
|---|---|---|
| **Small-Business** | 24.9% | 77.3% | 
| **Mid-Market** | 63.6% | 21.5% | 
| **Enterprise** | 11.6% | 1.2% | 

### By Industry

#### CallTower

- **Information Technology and Services:** 9.1%
- **Non-Profit Organization Management:** 6.6%
- **Manufacturing:** 6.3%
- **Financial Services:** 5.1%
- **Construction:** 4.0%
- **Hospital & Health Care:** 4.0%
- **Telecommunications:** 3.4%
- **Legal Services:** 2.9%
- **Retail:** 2.9%
- **Defense & Space:** 2.6%
- **Other:** 53.1%

#### 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 CallTower

- [RingEX](https://www.g2.com/products/ringex/reviews) — 4.2/5 stars (1371 reviews)
- [Dialpad Connect](https://www.g2.com/products/dialpad-connect/reviews) — 4.4/5 stars (4173 reviews)
- [GoTo Connect](https://www.g2.com/products/goto-connect/reviews) — 4.4/5 stars (1415 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)
- [8x8 Work](https://www.g2.com/products/8x8-work/reviews) — 4.2/5 stars (928 reviews)
- [3CX](https://www.g2.com/products/3cx/reviews) — 4.4/5 stars (547 reviews)
- [Intermedia Unite](https://www.g2.com/products/intermedia-unite/reviews) — 4.5/5 stars (520 reviews)
- [Crexendo](https://www.g2.com/products/crexendo/reviews) — 4.9/5 stars (349 reviews)
- [Vonage Business Communications](https://www.g2.com/products/vonage-business-communications/reviews) — 4.3/5 stars (502 reviews)

### Alternatives to Nextiva

- [3CX](https://www.g2.com/products/3cx/reviews) — 4.4/5 stars (547 reviews)
- [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 (928 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 (4173 reviews)
- [Intermedia Unite](https://www.g2.com/products/intermedia-unite/reviews) — 4.5/5 stars (520 reviews)

---
## Top Discussions

### CallTower

- Title: [What is CallTower used for?](https://www.g2.com/discussions/what-is-calltower-used-for) — 1 comment
  > **Top comment:** "CallTower is a leading provider of cloud-based unified communications (UCaaS) and contact center solutions (CCaaS) that enhance business communication and..."

### 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..."

---
**Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/calltower-vs-nextiva)