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About

3CX is a software-based, open standards IP PBX that offers complete Unified Communications, out of the box. Suitable for any business size or industry 3CX can accommodate every need; from mobility and status to advanced contact center features and more, at a fraction of the cost. Ideal for companies working remotely, 3CX includes mobile apps, video conferencing and website live chat. Installation, management and maintenance of the PBX is so easy that you can effortlessly manage it yourself, whether on an appliance or server at your premise on Windows, Linux or in the cloud. Alternatively you can choose to have it hosted by 3CX for a completely hassle-free solution.

About

Powerful Cloud Telephony for Global Businesses Zadarma offers a feature-rich VoIP platform designed for businesses that want flexibility, scalability, and professional communication without high costs. Set up your cloud PBX in minutes, manage international teams, and serve customers worldwide — all from a single interface. Key features: - Virtual phone numbers in 110+ countries - Free cloud PBX with IVR, call routing, and analytics - Integration with CRMs: HubSpot, Zoho, Bitrix24, and more - AI Voice Agent and AI-speech recognition and analytics - Apps for desktop, mobile, and browser-based calling - AI-powered voice agents and call tracking - Full control via web interface and API Ideal for remote teams, support centers, and growing companies looking to modernize their phone systems.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Companies of all sizes in all industries that need an open standards IP PBX

Audience

> 2 000 000 registered users in 160 countries worldwide

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

Free for up to 10 users
Free Version
Free Trial

Pricing

$2/month
Free Version
Free Trial

Reviews/Ratings

Overall 4.8 / 5
ease 4.8 / 5
features 4.8 / 5
design 4.7 / 5
support 4.3 / 5

Reviews/Ratings

Overall 4.9 / 5
ease 4.8 / 5
features 4.8 / 5
design 4.2 / 5
support 4.9 / 5

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

3CX
Founded: 2005
United States
www.3cx.com

Company Information

Zadarma
Founded: 2006
Bulgaria
zadarma.com/en/

Alternatives

PBXware

PBXware

Bicom Systems

Alternatives

Categories

Categories

Business Phone Systems Features

Call Logging
Call Monitoring
Call Recording
Call Routing
Employee Directory
IVR / Voice Recognition
Mobile Access
Virtual Call Center
Web Conferencing

Business VoIP Features

Call Parking
Call Recording
Contact Management
Encryption
IVR / Voice Recognition
Ring Groups
SIP Trunking
Unified Communications
Voice Quality Enhancement

Call Center Features

Blended Call Center
Call Logging
Call Recording
Call Scripting
Campaign Management
Database
Escalation Management
Inbound Call Center
IVR / Voice Recognition
Manual Dialer
Outbound Call Center
Predictive Dialer
Progressive Dialer
Queue Management
Real-time Chat
Reporting/Analytics

Cloud Communication Platform Features

Audio / Video Conferencing
Call Center
Call Recording
Call Routing
Chat / Messaging
Fax Management
File Sharing
IVR / Voice Recognition

Cloud PBX Features

Call Recording
Call Routing
IVR / Voice Recognition
Ring Groups
SIP Trunking
Virtual Extensions
Web Conferencing

Softphone Features

Audio / Video Conferencing
Call Logging
Call Recording
Call Transfer
Caller Identification
Chat / Messaging
Contact Management
Fax Management

Telephony Features

Auto-Dialer
Call Center Management
Call Monitoring
Contact Management
Inbound Reporting
IVR / Voice Recognition
Outbound Reporting
Predictive Dialer
Telemarketing Management
Voice & Data Integration
VoIP

Fax Server Features

Archiving & Retention
Automated Routing
Delivery Management
Email to Fax
Fax to Email
FoIP
Whitelisting / Blacklisting

Live Chat Features

Canned Responses
Customizable Branding
Geo Targeting
Offline Form
Proactive Chat
Screen Sharing
Third Party Integration
Transfers / Routing
Website Visitor Tracking

Unified Communications Features

Audio / Video Conferencing
Calendar Management
Call Recording
Call Routing
Chat / Messaging
Fax Management
File Sharing
Mobile Access
Multi-User Collaboration
Voice Mail

Video Conferencing Features

Electronic Hand Raising
Mobile Access
On-Demand Webcasting
Presentation Streaming
Presentation Tools
Private Chat
Real-Time Chat
Record & Playback Ability
Screen Sharing
Two-Way Audio & Video
Video Conferencing
Whiteboard

Web Conferencing Features

Electronic Hand Raising
Mobile Access
On-Demand Webcasting
Presentation Streaming
Presentation Tools
Private Chat
Real-Time Chat
Record & Playback Ability
Screen Sharing
Two-Way Audio & Video
Video Conferencing
Whiteboard

Business Phone Systems Features

Call Logging
Call Monitoring
Call Recording
Call Routing
Employee Directory
IVR / Voice Recognition
Mobile Access
Virtual Call Center
Web Conferencing

Business VoIP Features

Call Parking
Call Recording
Contact Management
Encryption
IVR / Voice Recognition
Ring Groups
SIP Trunking
Unified Communications
Voice Quality Enhancement

Call Center Features

Blended Call Center
Call Logging
Call Recording
Call Scripting
Campaign Management
Database
Escalation Management
Inbound Call Center
IVR / Voice Recognition
Manual Dialer
Outbound Call Center
Predictive Dialer
Progressive Dialer
Queue Management
Real-time Chat
Reporting/Analytics

Cloud Communication Platform Features

Audio / Video Conferencing
Call Center
Call Recording
Call Routing
Chat / Messaging
Fax Management
File Sharing
IVR / Voice Recognition

Cloud PBX Features

Call Recording
Call Routing
IVR / Voice Recognition
Ring Groups
SIP Trunking
Virtual Extensions
Web Conferencing

Softphone Features

Audio / Video Conferencing
Call Logging
Call Recording
Call Transfer
Caller Identification
Chat / Messaging
Contact Management
Fax Management

Telephony Features

Auto-Dialer
Call Center Management
Call Monitoring
Contact Management
Inbound Reporting
IVR / Voice Recognition
Outbound Reporting
Predictive Dialer
Telemarketing Management
Voice & Data Integration
VoIP

CRM Features

Calendar/Reminder System
Call Logging
Document Storage
Email Marketing
Internal Chat Integration
Lead Scoring
Marketing Automation Integration
Mobile Access
Quotes / Proposals
Segmentation
Social Media Integration
Task Management
Territory Management

Call Recording Features

Archiving
Call Sharing
Distributed Call Recording
Event Triggered Recording
File Transfer
Instant Retrieval
On-Demand Recording
Recording Bookmarking
Scheduled Recording
Screen Activity Recording
Video Call Recording

Call Tracking Features

Call Log
Call Recording
Call Routing
Caller Identification
Campaign Management
Conversion Tracking
CRM
IVR / Voice Recognition
Keyword Tracking

IVR Features

Call Center
Call Logging
Call Recording
Call Routing
Multiple Scripts
Phone Key Input
Survey Management
Text to Speech
Voice Customization
Voice Mail

SIP Trunk Features

Automatic Fail-over Routing
Call Data Records
Caller ID
Disaster Recovery
e911
International Numbers
Multiple DID Options
PSTN Forwarding
Toll-Free Numbers

Integrations

Bitrix24
Kommo
Microsoft Teams
Salesforce
Zendesk
Zoho CRM
1C:Enterprise
Acarda Outbound
Act!
Clinicea
ConnectWise CPQ
HaloPSA
Inserve
Nutshell
TeamsDashboard
Telnyx
Vtiger CRM
Zoho Desk
thinQ
vtenext

Integrations

Bitrix24
Kommo
Microsoft Teams
Salesforce
Zendesk
Zoho CRM
1C:Enterprise
Acarda Outbound
Act!
Clinicea
ConnectWise CPQ
HaloPSA
Inserve
Nutshell
TeamsDashboard
Telnyx
Vtiger CRM
Zoho Desk
thinQ
vtenext
Claim Zadarma and update features and information
Claim Zadarma and update features and information