3CX is SōtirIS’ software-based PBX used by more than 30,000 companies globally.
PBX (Private Branch Exchange) is a private telephone network used within a company or organization. With a PBX phone system, your team can communicate internally and externally using different communication channels like Voice over IP, ISDN, or analog.
3CX runs on mainstream operating systems, and works with SIP standard based IP Phones, SIP trunks, and VoIP Gateways to provide a full PBX solution—without the inflated cost and management headaches of an ‘old style’ PBX. Used by more than 30,000 companies globally, 3CX has been recognized for its innovation and cutting-edge technology.

Ways SōtirISCloud PBX Will Improve Your Business
Because 3CX is software-based, it is easily managed by IT administrators without the need for special telecom skills. It’s preconfigured to work with popular IP Phones, VoIP Gateways, and SIP trunks—saving you the hassle of having to configure and manage these devices.
- No need for extensive telecom knowledge or training
- Open Standards—Vendor independent
- Central Control from the 3CX Management Console
- Choose from popular IP Phones, VoIP Gateways, SIP Trunks
3CX includes smartphones and Mac or Windows laptops for clients that allows them to use their office extension from anywhere, seamlessly integrated as if they were in the office. Not only are all calls to the office free of charge, but employees can leverage one single number and make a professional impression.
- All calls are free of charge—slash your mobile phone bills
- Increase productivity and work from anywhere
- One number—Avoid giving out your personal mobile number
With 3CX, companies can reduce their telephone costs by up to 80% by leveraging SIP trunks, WebRTC, free calling to remote extensions and offices, and reducing the number of fixed telephone lines. With the CRM integration, agents get a customer name rather than a number.
- Save on call costs by lowering mobile and customer service number bills
- Easily add and remove extensions with no “per user” license
- Know who’s calling with CRM integration and increase customer satisfaction
- Leverage existing hardware, wiring, and low-cost open standard hardware
- Software based: Easy to install and manage
- Inexpensive to buy and expand
- Work from anywhere with iOS and Android clients
- Leverage existing IT infrastructure and Server hardware
- Save on your phone bill with SIP Trunks and mobile/remote clients
- Integrated video conferencing using WebRTC
- Better customer service with advanced call queues
- Integrate with CRM and Accounting software
- Standards-based: Use popular IP Phones, SIP Trunks
- Personal Click2Meet URLs
What Comes with 3CX Pro?
3CX Pro adds advanced call center features, Exchange/LDAP integration, Salesforce, Dynamics, Exact and more CRM support, cross-office presence, and better reporting to the standard edition.
The Pro edition includes all the award-winning features of the Standard edition but also adds fantastic advanced call features that are geared to stepping up your customer service and ensuring your company stays ahead of the competition.
3CX Pro Key Features:
- Monitor the status of queues by seeing how many callers are in the queue.
- Log staff in and out of queues.
- Review the time your staff logged in and out of queues.
- Additional queue strategies include:
- Round Robin
- Longest Waiting
- Least Talk Time
- Fewest Answered
- Hunt by Threes – Random
- Hunt by Threes – Prioritized
- Wallboards – Display real-time queue and call statistics directly on a monitor.
- Get instantly notified when callers have been in a queue beyond the set SLA time.
- Meet your customer service requirements by viewing all call events.
View the 3CX Phone System brochure (PDF) here.
3CX Edition Comparison








