Top 7 Open-Source Alternatives to TDS Business VoIP

The top open-source alternatives to TDS Business VoIP are Asterisk, freepbx, and FusionPBX. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

Asterisk Landing Page
1

Asterisk

An open source telephony switching and private branch exchange service for Linux.
Pricing:
- Open Source
#Communication #VoIP #Enterprise Communication 4 social mentions
freepbx Landing Page
2

freepbx

FreePBX is a web-based open source GUI that controls and manages Asterisk (PBX).
Pricing:
- Open Source
#Communication #VoIP #Enterprise Communication
fusionpbx.com
3

FusionPBX

FusionPBX is an open source FreeSWITCH GUI.
Pricing:
- Open Source
#Communication #VoIP #Enterprise Communication
RingCentral Landing Page
4

RingCentral

RingCentral is the leading provider of cloud-based communications and collaboration solutions for small business and enterprise companies
Pricing:
- Open Source
- Freemium
- Free Trial
- $19.99 / Monthly (All-in-One Phone, Team Messaging, and Video Conferencing.)
#Communication #VoIP #Cloud Contact Center 3 social mentions
Telegram Landing Page
5

Telegram

Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Pricing:
- Open Source
#Communication #Messaging #Instant Messaging 129 social mentions
sipXcom Landing Page
6

sipXcom

sipXcom open source unified communications software is the standard for enterprise voice solutions. Voice, chat, IVR, presence and more in one application.
Pricing:
- Open Source
#Communication #VoIP #Enterprise Communication
Linphone Landing Page
7

Linphone

Linphone is an internet phone or Voice Over IP phone (VoIP).
Pricing:
- Open Source
#Communication #Group Chat & Notifications #Messaging 4 social mentions