Asterisk vs. CallTower
A side-by-side comparison based on G2 review data.
| Metric | Asterisk | CallTower |
|---|---|---|
| Overall rating | 4.6 | 4.3 |
| Review count | 59 | 388 |
| Ease of use | 8.1 | 8.9 |
| Ease of setup | 7.9 | 8.7 |
| Quality of support | 8.6 | 8.9 |
| Meets requirements | 9.1 | 9.2 |
| NPS | 80.769231 | 53.926702 |
| Small Business | 35.6% | 25.2% |
| Mid-Market | 47.5% | 63.3% |
| Enterprise | 16.9% | 11.5% |
| Total page views | 219 | 937 |
| Total LLM citations | 975 | 1,241 |
Asterisk
Build Voice, Video and Text Applications Easily With Asterisk, The World's Most Widely Adopted Open Source Communications Software Development Framework. Asterisk is an open source framework for developing state-of-the-art communications applications. Asterisk includes hundreds of pre-built components that handle the complex, low-level details of voice, video, and text communications. Developers use Asterisk to create custom communications solutions and to build innovative communications products. Discover how Asterisk can power your next-generation communications deployment.
- Easy Integrations
- Integrations
- Customer Service
- Time Efficiency
- Easy Integration
- VoIP Services
CallTower
Since 2002, CallTower has been at the forefront of transforming global communication, emerging as a leader in enterprise-class cloud communication, collaboration, and CX solutions. We empower businesses with cutting-edge technologies like Microsoft® Teams Operator Connect, Webex by Cisco®, Zoom Phone, and AI-driven contact center solutions, including Webex Contact Center, Five9, and Genesys.
- Customer Support
- Helpful
- Reliability
- Ease of Use
- Customer Service
- Easy Setup