Free Business VoIP Software With Number Rental

Bitrix24 works both as your internal PBX system and as a contact center for inbound and outbound calls. Professional call center software unlike any other because it is accompanied by cheap international phone number renting, fully-featured CRM, social networks integration, lead and deal generation facilities, marketing tools and other essential business support tools.

IMPORTANT! As of January 1, 2021, telephony options are available only to Bitrix24 commercial plan users. Please see the Bitrix24 pricing page for current information.


If you are looking for a VoIP phone system for your small business, Bitrix24 is what you need. Unlike other VoIP solutions, Bitrix24 works both as your internal PBX system and as a contact center for inbound and outbound calls. In addition, you can connect other communication channels, if you have them, and collect incomings in one place. Bitrix24 offers quality control, automation, efficient management, call analytics and the opportunity to run professional campaigns. 

It’s also the only VoIP system that comes with fully featured free CRM. Importantly, when your clients call you from a phone number recorded in CRM, they will be identified, connected to the assigned manager and their phone call will be logged and recorded, if necessary. All interactions with the client are recorded and logged though, not just calls. So if you need to send SMS or use WhatsApp to the same client you had a call with, Bitrix24 can help you with it. bitrix24 is not just a business VoIP system, but the very best VoIP system that will support your business from all sides.

Bitrix24 is available in the cloud and on-premise as self-hosted software that can be installed on your server (the latter version comes with open source code access).

* Please note that the information may have changed since the publication. For current prices and features please visit Bitrix24 pricing page.

Basic Features

  • Unlimited users free
  • Custom quotes and invoice 
  • 5GB free online storage
  • Web based and on premise
  • Unlimited CRM records free
  • CRM Import/Export
  • Flexible access rights
  • Free mobile apps for iOS and Android
  • API and source code available

Register Free

Best Free CRM

  • Leads/Contacts/Companies/Deals
  • Custom sales stages
  • Custom fields in CRM
  • Quotes and Invoices
  • Products and Product Catalog
  • CRM activity stream
  • Currencies and taxes

Register Free

Sales Automation

  • Custom workflows (business processes)
  • Email marketing
  • Access rights
  • Automatic lead assignment
  • Sales funnel
  • CRM reports
  • Tasks and documents
  • Calendar and scheduling

Register Free

Call Center and Telemarketing

  • Incoming calls
  • Outbound calls
  • Rent local number
  • Rent toll-free number
  • Use your number
  • Call recording
  • Call forwarding

Register Free

Sales + Social Knowledge Sharing

  • Searchable private and public chats
  • Audio and video calls, videoconferencing
  • Online video recording
  • Employee directory and profiles
  • Photo and video sharing
  • Customizable employee profiles
  • Contact information (phone, e-mail, social profiles)
  • Company-wide announcements
  • Company news
  • Company info with weekends, holidays, working time parameters, general rules

Register Free

For more information about Bitrix24, head over to our training courses.
We also have a great YouTube channel that covers every aspect of Bitrix24, from sales and planning to document management and company internal communication tools.
To download the self-hosted edition of Bitrix24 that can be installed on your own server and give you access to open source code, please visit the Bitrix24 Self-Hosted page.
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