# Top 10 Asterisk Alternatives & Competitors
**Average Rating:** 4.6/5
**Total Number of Reviews:** 59
The VoIP Providers solutions below are the most common alternatives that users and reviewers compare with Asterisk. VoIP Providers is a widely used technology, and many people are seeking innovative, simple software solutions with software pairing, video calls, and instant messaging. Other important factors to consider when researching alternatives to Asterisk include communication. The best overall Asterisk alternative is 3CX. Other similar apps like Asterisk are Cisco Unified Communications Manager (CallManager), RingEX, Zoom Workplace, and Webex Calling. Asterisk alternatives can be found in [VoIP Providers](https://www.g2.com/categories/voip-providers) but may also be in [Contact Center Software](https://www.g2.com/categories/contact-center) or [Video Conferencing Software](https://www.g2.com/categories/video-conferencing).


## Best Paid & Free Alternatives to Asterisk
  - [3CX](https://www.g2.com/products/3cx/reviews)
  - [Cisco Unified Communications Manager (CallManager)](https://www.g2.com/products/cisco-unified-communications-manager-callmanager/reviews)
  - [RingEX](https://www.g2.com/products/ringex/reviews)
  - [Zoom Workplace](https://www.g2.com/products/zoom-workplace/reviews)
  - [Webex Calling](https://www.g2.com/products/webex-calling/reviews)
  - [GoTo Connect](https://www.g2.com/products/goto-connect/reviews)
  - [Dialpad Connect](https://www.g2.com/products/dialpad-connect/reviews)
  - [Yeastar S-Series VoIP PBX](https://www.g2.com/products/yeastar-s-series-voip-pbx/reviews)
  - [Linphone](https://www.g2.com/products/linphone/reviews)
  - [Twilio Flex](https://www.g2.com/products/twilio-twilio-flex/reviews)

## Top 10 Alternatives to Asterisk Recently Reviewed By G2 Community
Browse options below. Based on reviewer data, you can see how Asterisk stacks up to the competition, check reviews from current & previous users in industries like Telecommunications, Banking, and Facilities Services, and find the best product for your business.


  ### 1. [3CX](https://www.g2.com/products/3cx/reviews)
By 3CX
**Average Rating:** 4.4/5
**Total Reviews:** 547
3CX is an open standards communications solution that replaces proprietary PBX's. Built for business connectivity and collaboration it integrates video conferencing, live chat and apps for Android, iOS, and the web. Available on premise (Windows / Linux) or hosted as a cloud solution.


Reviewers say compared to Asterisk, 3CX is:
- Slower to reach roi
- Easier to set up
- More usable
Categories in common with Asterisk: [VoIP Providers](https://www.g2.com/categories/voip-providers), [UCaaS Platforms](https://www.g2.com/categories/ucaas-platforms)

**Compare:** [Asterisk vs 3CX](https://www.g2.com/compare/3cx-vs-asterisk)
**Compare 3CX with other alternatives:**
- [3CX vs Cisco Unified Communications Manager (CallManager)](https://www.g2.com/compare/3cx-vs-cisco-unified-communications-manager-callmanager)
- [3CX vs RingEX](https://www.g2.com/compare/3cx-vs-ringex)
- [3CX vs Zoom Workplace](https://www.g2.com/compare/3cx-vs-zoom-workplace)
- [3CX vs Webex Calling](https://www.g2.com/compare/3cx-vs-webex-calling)
- [3CX vs GoTo Connect](https://www.g2.com/compare/3cx-vs-goto-connect)
- [3CX vs Dialpad Connect](https://www.g2.com/compare/3cx-vs-dialpad-connect)
- [3CX vs Yeastar S-Series VoIP PBX](https://www.g2.com/compare/3cx-vs-yeastar-s-series-voip-pbx)
- [3CX vs Linphone](https://www.g2.com/compare/3cx-vs-linphone)
- [3CX vs Twilio Flex](https://www.g2.com/compare/3cx-vs-twilio-twilio-flex)

  ### 2. [Cisco Unified Communications Manager (CallManager)](https://www.g2.com/products/cisco-unified-communications-manager-callmanager/reviews)
By Cisco
**Average Rating:** 4.4/5
**Total Reviews:** 111
Cisco Unified Communications Manager (Unified CM), formerly known as Cisco CallManager, is a comprehensive call-processing system that delivers reliable, secure, and scalable voice and video communications for enterprises. It integrates voice, video, messaging, and mobility services, enabling seamless collaboration across various devices and locations. Key Features and Functionality: - Unified Communications: Provides IP telephony, high-definition video, unified messaging, instant messaging, and presence capabilities, consolidating communication tools into a single platform. - Enhanced Mobility: Supports mobile and remote workers with features that enable productivity from any location, transforming workspaces and attracting top talent. - Scalability: Accommodates organizations of varying sizes, from small businesses to large enterprises with up to 80,000 users, ensuring the solution grows with the organization's needs. - Cloud-Connected Operations: Offers Webex Cloud-Connected UC services, allowing centralized control of operations functions such as upgrades, analytics, and troubleshooting across multiple sites. - Open and Interoperable: Supports industry standards and a broad ecosystem of third-party integrations, facilitating rich collaboration and embedding communication within business applications. - Security and Compliance: Utilizes the latest authentication, encryption, and communication protocols, complying with key industry certifications to secure data and communications across various sectors. Primary Value and Solutions Provided: Cisco Unified Communications Manager addresses the need for a cohesive and efficient communication system within organizations. By integrating various communication services, it simplifies infrastructure, reduces costs, and enhances collaboration among employees, regardless of their location or device. Its scalability ensures that businesses can adapt to growth and changing requirements, while robust security measures protect sensitive information. The solution's flexibility, including cloud-connected options, allows organizations to modernize their communication systems and support a dynamic workforce effectively.


Reviewers say compared to Asterisk, Cisco Unified Communications Manager (CallManager) is:
- Slower to reach roi
- More expensive
- Easier to do business with
Categories in common with Asterisk: [VoIP Providers](https://www.g2.com/categories/voip-providers), [UCaaS Platforms](https://www.g2.com/categories/ucaas-platforms)

**Compare:** [Asterisk vs Cisco Unified Communications Manager (CallManager)](https://www.g2.com/compare/asterisk-vs-cisco-unified-communications-manager-callmanager)
**Compare Cisco Unified Communications Manager (CallManager) with other alternatives:**
- [Cisco Unified Communications Manager (CallManager) vs 3CX](https://www.g2.com/compare/3cx-vs-cisco-unified-communications-manager-callmanager)
- [Cisco Unified Communications Manager (CallManager) vs RingEX](https://www.g2.com/compare/cisco-unified-communications-manager-callmanager-vs-ringex)
- [Cisco Unified Communications Manager (CallManager) vs Zoom Workplace](https://www.g2.com/compare/cisco-unified-communications-manager-callmanager-vs-zoom-workplace)
- [Cisco Unified Communications Manager (CallManager) vs Webex Calling](https://www.g2.com/compare/cisco-unified-communications-manager-callmanager-vs-webex-calling)
- [Cisco Unified Communications Manager (CallManager) vs GoTo Connect](https://www.g2.com/compare/cisco-unified-communications-manager-callmanager-vs-goto-connect)
- [Cisco Unified Communications Manager (CallManager) vs Dialpad Connect](https://www.g2.com/compare/cisco-unified-communications-manager-callmanager-vs-dialpad-connect)
- [Cisco Unified Communications Manager (CallManager) vs Yeastar S-Series VoIP PBX](https://www.g2.com/compare/cisco-unified-communications-manager-callmanager-vs-yeastar-s-series-voip-pbx)
- [Cisco Unified Communications Manager (CallManager) vs Linphone](https://www.g2.com/compare/cisco-unified-communications-manager-callmanager-vs-linphone)
- [Cisco Unified Communications Manager (CallManager) vs Twilio Flex](https://www.g2.com/compare/cisco-unified-communications-manager-callmanager-vs-twilio-twilio-flex)

  ### 3. [RingEX](https://www.g2.com/products/ringex/reviews)
By RingCentral
**Average Rating:** 4.2/5
**Total Reviews:** 1,403
AI-powered communications that redefines customer engagement for modern teams.


Reviewers say compared to Asterisk, RingEX is:
- Slower to reach roi
- More expensive
- More usable
Categories in common with Asterisk: [VoIP Providers](https://www.g2.com/categories/voip-providers), [UCaaS Platforms](https://www.g2.com/categories/ucaas-platforms)

**Compare:** [Asterisk vs RingEX](https://www.g2.com/compare/asterisk-vs-ringex)
**Compare RingEX with other alternatives:**
- [RingEX vs 3CX](https://www.g2.com/compare/3cx-vs-ringex)
- [RingEX vs Cisco Unified Communications Manager (CallManager)](https://www.g2.com/compare/cisco-unified-communications-manager-callmanager-vs-ringex)
- [RingEX vs Zoom Workplace](https://www.g2.com/compare/ringex-vs-zoom-workplace)
- [RingEX vs Webex Calling](https://www.g2.com/compare/ringex-vs-webex-calling)
- [RingEX vs GoTo Connect](https://www.g2.com/compare/goto-connect-vs-ringex)
- [RingEX vs Dialpad Connect](https://www.g2.com/compare/dialpad-connect-vs-ringex)
- [RingEX vs Yeastar S-Series VoIP PBX](https://www.g2.com/compare/ringex-vs-yeastar-s-series-voip-pbx)
- [RingEX vs Linphone](https://www.g2.com/compare/linphone-vs-ringex)
- [RingEX vs Twilio Flex](https://www.g2.com/compare/ringex-vs-twilio-twilio-flex)

  ### 4. [Zoom Workplace](https://www.g2.com/products/zoom-workplace/reviews)
By Zoom
**Average Rating:** 4.5/5
**Total Reviews:** 56,482
Reimagine how your teams work with Zoom Workplace, powered by AI Companion. Streamline communications, improve productivity, optimize in-person time, and increase employee engagement, all with Zoom Workplace. Fueled by AI Companion, included at no additional cost.


Reviewers say compared to Asterisk, Zoom Workplace is:
- Slower to reach roi
- Easier to set up
- More expensive
Categories in common with Asterisk: [UCaaS Platforms](https://www.g2.com/categories/ucaas-platforms)

**Compare:** [Asterisk vs Zoom Workplace](https://www.g2.com/compare/asterisk-vs-zoom-workplace)
**Compare Zoom Workplace with other alternatives:**
- [Zoom Workplace vs 3CX](https://www.g2.com/compare/3cx-vs-zoom-workplace)
- [Zoom Workplace vs Cisco Unified Communications Manager (CallManager)](https://www.g2.com/compare/cisco-unified-communications-manager-callmanager-vs-zoom-workplace)
- [Zoom Workplace vs RingEX](https://www.g2.com/compare/ringex-vs-zoom-workplace)
- [Zoom Workplace vs Webex Calling](https://www.g2.com/compare/webex-calling-vs-zoom-workplace)
- [Zoom Workplace vs GoTo Connect](https://www.g2.com/compare/goto-connect-vs-zoom-workplace)
- [Zoom Workplace vs Dialpad Connect](https://www.g2.com/compare/dialpad-connect-vs-zoom-workplace)
- [Zoom Workplace vs Yeastar S-Series VoIP PBX](https://www.g2.com/compare/yeastar-s-series-voip-pbx-vs-zoom-workplace)
- [Zoom Workplace vs Linphone](https://www.g2.com/compare/linphone-vs-zoom-workplace)
- [Zoom Workplace vs Twilio Flex](https://www.g2.com/compare/twilio-twilio-flex-vs-zoom-workplace)

  ### 5. [Webex Calling](https://www.g2.com/products/webex-calling/reviews)
By Cisco
**Average Rating:** 4.5/5
**Total Reviews:** 636
Webex Calling includes rich enterprise grade calling functionality, integrated with Webex Teams for messaging, and state of the art phones, headsets, video end points all leading to a seamless experience from the desk to mobile. With optional Webex Meetings and Cloud Contact Center, Cisco offers a full collaboration suite running on a scalable, geo-redundant and secure global platform.


Reviewers say compared to Asterisk, Webex Calling is:
- Slower to reach roi
- More expensive
- More usable
Categories in common with Asterisk: [VoIP Providers](https://www.g2.com/categories/voip-providers), [UCaaS Platforms](https://www.g2.com/categories/ucaas-platforms)

**Compare:** [Asterisk vs Webex Calling](https://www.g2.com/compare/asterisk-vs-webex-calling)
**Compare Webex Calling with other alternatives:**
- [Webex Calling vs 3CX](https://www.g2.com/compare/3cx-vs-webex-calling)
- [Webex Calling vs Cisco Unified Communications Manager (CallManager)](https://www.g2.com/compare/cisco-unified-communications-manager-callmanager-vs-webex-calling)
- [Webex Calling vs RingEX](https://www.g2.com/compare/ringex-vs-webex-calling)
- [Webex Calling vs Zoom Workplace](https://www.g2.com/compare/webex-calling-vs-zoom-workplace)
- [Webex Calling vs GoTo Connect](https://www.g2.com/compare/goto-connect-vs-webex-calling)
- [Webex Calling vs Dialpad Connect](https://www.g2.com/compare/dialpad-connect-vs-webex-calling)
- [Webex Calling vs Yeastar S-Series VoIP PBX](https://www.g2.com/compare/webex-calling-vs-yeastar-s-series-voip-pbx)
- [Webex Calling vs Linphone](https://www.g2.com/compare/linphone-vs-webex-calling)
- [Webex Calling vs Twilio Flex](https://www.g2.com/compare/twilio-twilio-flex-vs-webex-calling)

  ### 6. [GoTo Connect](https://www.g2.com/products/goto-connect/reviews)
By GoTo
**Average Rating:** 4.4/5
**Total Reviews:** 1,415
GoTo Connect’s platform includes our award-winning, best-in-class products such as our UCaaS solution and phone system, customer engagement tools and multiple contact center capabilities along with powerful add-ons and integrations with your critical business apps such as MS Teams, Salesforce, Zendesk and Gmail. For over two decades, we’ve helped tens of thousands of companies grow their business by offering: • An award-winning cloud phone system with hundreds of enterprise-grade features (minus the enterprise price tag) • AI-powered contact center and customer engagement tools • Super simple setup, with an admin system that’s remarkably easy to manage • A unique visual dial plan editor, softphone functionality and advanced reporting • 99.999% uptime and best-in-class 24/7 customer service


Reviewers say compared to Asterisk, GoTo Connect is:
- Slower to reach roi
- More expensive
- More usable
Categories in common with Asterisk: [VoIP Providers](https://www.g2.com/categories/voip-providers), [UCaaS Platforms](https://www.g2.com/categories/ucaas-platforms)

**Compare:** [Asterisk vs GoTo Connect](https://www.g2.com/compare/asterisk-vs-goto-connect)
**Compare GoTo Connect with other alternatives:**
- [GoTo Connect vs 3CX](https://www.g2.com/compare/3cx-vs-goto-connect)
- [GoTo Connect vs Cisco Unified Communications Manager (CallManager)](https://www.g2.com/compare/cisco-unified-communications-manager-callmanager-vs-goto-connect)
- [GoTo Connect vs RingEX](https://www.g2.com/compare/goto-connect-vs-ringex)
- [GoTo Connect vs Zoom Workplace](https://www.g2.com/compare/goto-connect-vs-zoom-workplace)
- [GoTo Connect vs Webex Calling](https://www.g2.com/compare/goto-connect-vs-webex-calling)
- [GoTo Connect vs Dialpad Connect](https://www.g2.com/compare/dialpad-connect-vs-goto-connect)
- [GoTo Connect vs Yeastar S-Series VoIP PBX](https://www.g2.com/compare/goto-connect-vs-yeastar-s-series-voip-pbx)
- [GoTo Connect vs Linphone](https://www.g2.com/compare/goto-connect-vs-linphone)
- [GoTo Connect vs Twilio Flex](https://www.g2.com/compare/goto-connect-vs-twilio-twilio-flex)

  ### 7. [Dialpad Connect](https://www.g2.com/products/dialpad-connect/reviews)
By Dialpad
**Average Rating:** 4.4/5
**Total Reviews:** 4,195
Dialpad pushes the limits of Ai. As a pioneer in the space, we built the first Ai-powered customer intelligence platform that now serves as the foundation for all Dialpad products. We also created our own proprietary large language model (LLM), leveraging over six billion minutes of conversational data, to ensure optimal accuracy for features like Ai Recaps automated meeting summaries. Supported by notable investors such as Andreessen Horowitz, Google Ventures, and ICONIQ, Dialpad is a dynamic force in AI technology with a rapidly expanding presence.


Reviewers say compared to Asterisk, Dialpad Connect is:
- Slower to reach roi
- Easier to set up
- More usable
Categories in common with Asterisk: [VoIP Providers](https://www.g2.com/categories/voip-providers), [UCaaS Platforms](https://www.g2.com/categories/ucaas-platforms)

**Compare:** [Asterisk vs Dialpad Connect](https://www.g2.com/compare/asterisk-vs-dialpad-connect)
**Compare Dialpad Connect with other alternatives:**
- [Dialpad Connect vs 3CX](https://www.g2.com/compare/3cx-vs-dialpad-connect)
- [Dialpad Connect vs Cisco Unified Communications Manager (CallManager)](https://www.g2.com/compare/cisco-unified-communications-manager-callmanager-vs-dialpad-connect)
- [Dialpad Connect vs RingEX](https://www.g2.com/compare/dialpad-connect-vs-ringex)
- [Dialpad Connect vs Zoom Workplace](https://www.g2.com/compare/dialpad-connect-vs-zoom-workplace)
- [Dialpad Connect vs Webex Calling](https://www.g2.com/compare/dialpad-connect-vs-webex-calling)
- [Dialpad Connect vs GoTo Connect](https://www.g2.com/compare/dialpad-connect-vs-goto-connect)
- [Dialpad Connect vs Yeastar S-Series VoIP PBX](https://www.g2.com/compare/dialpad-connect-vs-yeastar-s-series-voip-pbx)
- [Dialpad Connect vs Linphone](https://www.g2.com/compare/dialpad-connect-vs-linphone)
- [Dialpad Connect vs Twilio Flex](https://www.g2.com/compare/dialpad-connect-vs-twilio-twilio-flex)

  ### 8. [Yeastar S-Series VoIP PBX](https://www.g2.com/products/yeastar-s-series-voip-pbx/reviews)
By Xiamen Yeastar Digital Technology Co., Ltd
**Average Rating:** 4.9/5
**Total Reviews:** 15
Easy to use, flexible and feature-rich S-Series VoIP PBX is designed to help small and medium sized business make a giant leap in efficiency and cost-savings.


Reviewers say compared to Asterisk, Yeastar S-Series VoIP PBX is:
- Slower to reach roi
Categories in common with Asterisk: [VoIP Providers](https://www.g2.com/categories/voip-providers)

**Compare:** [Asterisk vs Yeastar S-Series VoIP PBX](https://www.g2.com/compare/asterisk-vs-yeastar-s-series-voip-pbx)
**Compare Yeastar S-Series VoIP PBX with other alternatives:**
- [Yeastar S-Series VoIP PBX vs 3CX](https://www.g2.com/compare/3cx-vs-yeastar-s-series-voip-pbx)
- [Yeastar S-Series VoIP PBX vs Cisco Unified Communications Manager (CallManager)](https://www.g2.com/compare/cisco-unified-communications-manager-callmanager-vs-yeastar-s-series-voip-pbx)
- [Yeastar S-Series VoIP PBX vs RingEX](https://www.g2.com/compare/ringex-vs-yeastar-s-series-voip-pbx)
- [Yeastar S-Series VoIP PBX vs Zoom Workplace](https://www.g2.com/compare/yeastar-s-series-voip-pbx-vs-zoom-workplace)
- [Yeastar S-Series VoIP PBX vs Webex Calling](https://www.g2.com/compare/webex-calling-vs-yeastar-s-series-voip-pbx)
- [Yeastar S-Series VoIP PBX vs GoTo Connect](https://www.g2.com/compare/goto-connect-vs-yeastar-s-series-voip-pbx)
- [Yeastar S-Series VoIP PBX vs Dialpad Connect](https://www.g2.com/compare/dialpad-connect-vs-yeastar-s-series-voip-pbx)
- [Yeastar S-Series VoIP PBX vs Linphone](https://www.g2.com/compare/linphone-vs-yeastar-s-series-voip-pbx)
- [Yeastar S-Series VoIP PBX vs Twilio Flex](https://www.g2.com/compare/twilio-twilio-flex-vs-yeastar-s-series-voip-pbx)

  ### 9. [Linphone](https://www.g2.com/products/linphone/reviews)
By Belledonne Communications
**Average Rating:** 4.4/5
**Total Reviews:** 16
Linphone is an open-source Voice over IP (VoIP) application that enables users to make high-definition audio and video calls, send instant messages, and conduct video conferences over the internet. Compatible with various platforms, including iOS, Android, macOS, Windows, and Linux, Linphone provides a unified communication solution that adheres to standardized protocols, ensuring interoperability with most SIP-compatible systems. Developed in France since 2001, Linphone is recognized for its commitment to security, offering end-to-end encryption for all media exchanges, including voice, video, and text, safeguarding user privacy. Key Features and Functionality: - High-Definition Audio and Video Calls: Supports HD voice and video quality with codecs like Opus, Speex, H.264, and VP8. - Instant Messaging and Group Chats: Facilitates one-on-one and group conversations with features such as message delivery and read receipts, file sharing, voice messages, and ephemeral messaging. - Call Management: Offers call history, call forwarding (blind and attended), management of multiple concurrent calls, call recording with playback, and support for Bluetooth headsets. - Secure Communications: Ensures secure user authentication and end-to-end encryption for all media exchanges, including audio, video, and text, using protocols like SRTP, SRTP-DTLS, and ZRTP. - Cross-Platform Availability: Available on mobile devices (iOS, Android) and desktops (macOS, Windows, Linux), providing a consistent user experience across platforms. - Customization and Integration: Offers a white-label softphone option, allowing businesses to customize the app with their branding and integrate it with existing VoIP platforms. Primary Value and User Solutions: Linphone addresses the need for a secure, reliable, and versatile communication tool suitable for both personal and professional use. By supporting open standards like SIP and RTP, it ensures compatibility with a wide range of VoIP services and devices. Its emphasis on security, through features like end-to-end encryption and secure authentication, protects user privacy and data integrity. The application's cross-platform support and customizable nature make it an ideal choice for organizations seeking a unified communication solution that can be tailored to specific requirements.


Reviewers say compared to Asterisk, Linphone is:
- More usable
- Better at support
- Better at meeting requirements
Categories in common with Asterisk: [VoIP Providers](https://www.g2.com/categories/voip-providers)

**Compare:** [Asterisk vs Linphone](https://www.g2.com/compare/asterisk-vs-linphone)
**Compare Linphone with other alternatives:**
- [Linphone vs 3CX](https://www.g2.com/compare/3cx-vs-linphone)
- [Linphone vs Cisco Unified Communications Manager (CallManager)](https://www.g2.com/compare/cisco-unified-communications-manager-callmanager-vs-linphone)
- [Linphone vs RingEX](https://www.g2.com/compare/linphone-vs-ringex)
- [Linphone vs Zoom Workplace](https://www.g2.com/compare/linphone-vs-zoom-workplace)
- [Linphone vs Webex Calling](https://www.g2.com/compare/linphone-vs-webex-calling)
- [Linphone vs GoTo Connect](https://www.g2.com/compare/goto-connect-vs-linphone)
- [Linphone vs Dialpad Connect](https://www.g2.com/compare/dialpad-connect-vs-linphone)
- [Linphone vs Yeastar S-Series VoIP PBX](https://www.g2.com/compare/linphone-vs-yeastar-s-series-voip-pbx)
- [Linphone vs Twilio Flex](https://www.g2.com/compare/linphone-vs-twilio-twilio-flex)

  ### 10. [Twilio Flex](https://www.g2.com/products/twilio-twilio-flex/reviews)
By Twilio
**Average Rating:** 4.1/5
**Total Reviews:** 36
Twilio Flex is a fully programmable cloud-based contact center platform designed to empower businesses with personalized, omnichannel customer engagement. It offers a unified interface that integrates various communication channels, including voice, SMS, chat, email, and video, enabling seamless interactions across multiple platforms. Flex's highly customizable nature allows organizations to tailor every aspect of the customer and agent experience to meet specific business needs. Key Features and Functionality: - Omnichannel Support: Manage customer interactions across voice, SMS, chat, email, and video from a single interface. - Programmability: Customize workflows, user interfaces, routing logic, and integrate with existing systems using Twilio's APIs and SDKs. - Real-Time Analytics: Monitor agent performance and customer interactions with detailed insights to optimize operations. - AI Integration: Leverage AI capabilities, such as Agent Copilot, to assist agents with suggested actions and responses, enhancing productivity and customer satisfaction. - Scalability: Easily scale operations to accommodate varying workloads without the need for on-site hardware. Primary Value and Solutions Provided: Twilio Flex addresses the need for a flexible, scalable, and customizable contact center solution that integrates seamlessly with existing systems. By offering a platform that supports multiple communication channels and provides real-time data and AI-driven insights, Flex enables businesses to deliver personalized customer experiences, improve agent efficiency, and adapt quickly to changing requirements. This adaptability ensures that organizations can meet customer expectations and drive business growth effectively.


Reviewers say compared to Asterisk, Twilio Flex is:
- More expensive
- More usable
- Easier to do business with
Categories in common with Asterisk: [VoIP Providers](https://www.g2.com/categories/voip-providers), [UCaaS Platforms](https://www.g2.com/categories/ucaas-platforms)

**Compare:** [Asterisk vs Twilio Flex](https://www.g2.com/compare/asterisk-vs-twilio-twilio-flex)
**Compare Twilio Flex with other alternatives:**
- [Twilio Flex vs 3CX](https://www.g2.com/compare/3cx-vs-twilio-twilio-flex)
- [Twilio Flex vs Cisco Unified Communications Manager (CallManager)](https://www.g2.com/compare/cisco-unified-communications-manager-callmanager-vs-twilio-twilio-flex)
- [Twilio Flex vs RingEX](https://www.g2.com/compare/ringex-vs-twilio-twilio-flex)
- [Twilio Flex vs Zoom Workplace](https://www.g2.com/compare/twilio-twilio-flex-vs-zoom-workplace)
- [Twilio Flex vs Webex Calling](https://www.g2.com/compare/twilio-twilio-flex-vs-webex-calling)
- [Twilio Flex vs GoTo Connect](https://www.g2.com/compare/goto-connect-vs-twilio-twilio-flex)
- [Twilio Flex vs Dialpad Connect](https://www.g2.com/compare/dialpad-connect-vs-twilio-twilio-flex)
- [Twilio Flex vs Yeastar S-Series VoIP PBX](https://www.g2.com/compare/twilio-twilio-flex-vs-yeastar-s-series-voip-pbx)
- [Twilio Flex vs Linphone](https://www.g2.com/compare/linphone-vs-twilio-twilio-flex)


---
## Asterisk Alternatives FAQs

### What are the best alternatives to Asterisk?

The best alternatives to Asterisk include [Cisco](https://www.g2.com/products/cisco-unified-communications-manager-callmanager/reviews) (4.4/5 with 111 reviews), [3CX](https://www.g2.com/products/3cx/reviews) (4.4/5 with 546 reviews), [RingEX](https://www.g2.com/products/ringex/reviews) (4.2/5 with 1371 reviews), [Zoom Workplace](https://www.g2.com/products/zoom-workplace/reviews) (4.5/5 with 56,406 reviews), [Webex Calling](https://www.g2.com/products/webex-calling/reviews) (4.5/5 with 634 reviews), [GoTo Connect](https://www.g2.com/products/goto-connect/reviews) (4.4/5 with 1415 reviews), and [Dialpad Connect](https://www.g2.com/products/dialpad-connect/reviews) (4.4/5 with 4168 reviews). These alternatives are highly rated, widely adopted, and offer comprehensive VoIP and unified communications features.



### What features do alternatives offer that Asterisk does not?

Alternatives to Asterisk offer features such as integrated AI-powered call transcription and summaries (RingEX, Zoom Workplace, Webex Calling, Dialpad Connect), unified communications combining voice, video, messaging, and collaboration in one platform (Cisco, 3CX, Zoom Workplace, Webex Calling), seamless CRM integrations (3CX, RingEX, Webex Calling, Dialpad Connect, Twilio Flex), and cloud-based scalability with easy administration and setup (Cisco, 3CX, RingEX, Zoom Workplace, Webex Calling, GoTo Connect, Dialpad Connect, Twilio Flex). Many alternatives provide user-friendly graphical interfaces and mobile apps for remote work, which Asterisk lacks natively.



### Which VoIP Providers tools do reviewers recommend instead of Asterisk?

Reviewers recommend alternatives such as [3CX](https://www.g2.com/products/3cx/reviews) for its ease of use, cost-effectiveness, and unified communications platform integrating calls, video, and chat. [Cisco](https://www.g2.com/products/cisco-unified-communications-manager-callmanager/reviews) is favored for its scalability, reliability, and seamless integration with enterprise collaboration tools. [RingEX](https://www.g2.com/products/ringex/reviews) is praised for its AI-powered features and integration with CRM systems. [Zoom Workplace](https://www.g2.com/products/zoom-workplace/reviews) is highlighted for its AI meeting summaries and ease of use. [Webex Calling](https://www.g2.com/products/webex-calling/reviews) is valued for its call quality, integration, and admin simplicity. [GoTo Connect](https://www.g2.com/products/goto-connect/reviews) is noted for its ease of setup and customer support. [Dialpad Connect](https://www.g2.com/products/dialpad-connect/reviews) is recognized for its AI-powered call transcription and flexible device support. These recommendations reflect a preference for solutions that simplify administration, enhance collaboration, and provide robust support compared to Asterisk's complexity and steep learning curve.



### How does Asterisk compare to Cisco?

According to G2 data, [Asterisk](https://www.g2.com/products/asterisk/reviews) holds a higher average user rating of 4.6/5 from 59 reviews compared to Cisco's 4.4/5 from 111 reviews. In dimension scores, Cisco leads Asterisk by 0.1 points in Meeting Requirements (9.1 vs 9.0), 0.3 points in Usability (8.1 vs 7.8), 0.1 points in Ease of Admin (8.0 vs 7.9), 0.3 points in Support (8.6 vs 8.3), and 0.4 points in Ease of Doing Business With (8.7 vs 8.3). However, Asterisk scores 0.6 points higher in Ease of Setup (7.5 vs 6.9). User reviews highlight Asterisk's unmatched customization capabilities, especially through AGI scripts and multi-SIP trunk management, enabling cost optimization and operational efficiency. Conversely, Cisco excels in scalability, supporting thousands of users with high availability, and strong integration with Cisco collaboration products, offering a comprehensive unified communications solution. Both platforms are noted for complexity, but Cisco's complexity is often linked to multi-server management and frequent upgrades, whereas Asterisk requires technical expertise for initial configuration and administration.



### Why do users choose Cisco over Asterisk?

Users choose [Cisco](https://www.g2.com/products/cisco-unified-communications-manager-callmanager/reviews) over Asterisk primarily for its robust scalability and comprehensive unified communications ecosystem. Cisco supports thousands of users and devices with high availability, essential for large enterprises, and integrates seamlessly with other Cisco collaboration tools such as Unity Connection and IM&P. Cisco's platform is praised for its reliability, video conferencing, messaging features, and security, with multiple reviews citing its stability and suitability for complex business voice needs. Additionally, Cisco scores higher in Support (8.6 vs 8.3) and Ease of Doing Business With (8.7 vs 8.3), reflecting better customer service and smoother vendor interactions. These factors make Cisco a preferred choice for organizations prioritizing enterprise-grade features, integrated communication solutions, and dependable vendor support despite its higher complexity and cost.




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