Onebox Alternatives & Competitors

RingCentral is the leading provider of cloud-based communications and collaboration solutions for small business and enterprise companies.

Key RingCentral features:

Comprehensive Features Scalability Easy Integration Reliable Uptime

Open Source freemium $19.99 / Monthly (All-in-One Phone, Team Messaging, and Video Conferencing.)

Google Voice gives you one number for all your phones, voicemail organized in an email format, free...

Key Google Voice features:

Cost-effective Integrations Unified Number Voicemail Transcription

VoIPstudio is an award-winning VoIP system that offers businesses of all sizes a scalable communication solution. It’s inexpensive, easy-to-use, offers a full suite of PBX features, and is fully integrated for CRM.

Key VoIPstudio features:

Call Recording Call Forward Call Analytics and Reporting Call Conferencing

Try for free paid Free Trial $4.99 / Monthly (User)

Real-time video infrastructure and SDK.

Key Twilio Video features:

Scalability Ease of Integration Global Reach Security Features

Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.

Key Telegram features:

Privacy and Security Multi-Platform Support Cloud Storage Large Group Chats

Open Source

Grasshopper enables entrepreneurs to build a virtual office that connects callers to employees, wherever they are.

Key Grasshopper features:

Professional Image Portability Ease of Use Scalability

Switch is a cloud-based phone system built for Google Apps users.

Key Dialpad features:

Unified Communications AI-Powered Features Mobile and Desktop Compatibility Integration Capabilities

Predictive Call Center, Voice and Text Broadcasting app.

Key CallHub features:

Ease of Use Integration Options Scalability Automation Features

An open source telephony switching and private branch exchange service for Linux.

Key Asterisk features:

Open Source Highly Customizable Large Community Wide Range of Features

Open Source

MyOperator is a cloud-based call management system for voice communication purposes. .

Key MyOperator features:

IVR Toll Free Number Call Forward Call Analytics and Reporting

paid Free Trial $10.0 / Annually

The Cloud Phone System of choice for modern sales and support teams. We help end clueless conversations by adding context to every call.

Key JustCall features:

Ease of Use Integration Capabilities Global Calling Automation Features

paid $30.0 / Monthly

YouMail turns visual voicemail into a personal assistant for handling all your missed calls.

Key YouMail features:

Call Blocking Visual Voicemail Automatic Spam Identification Custom Greetings

Line2 adds a second phone number or complete cloud business phone system to smartphones & computers that's robust yet affordable. Buy online or get a custom quote.

Key Line2 features:

Multiple Numbers on One Device Cross-Platform Compatibility Affordable Pricing Advanced Call Features

Stop robocallers filling up your voicemail.

Key Hi Voicemail features:

User-Friendly Interface Custom Greetings Voicemail Transcription Email Notifications