Phone, video, live chat and WhatsApp in one system – up to 80% cheaper than classic PBXs. PROXYTEC plans, installs and supports your 3CX. And below you will find what is not cleanly documented anywhere else: the complete firewall port list.
In many companies the phone system, video conferencing tool, website chat and messenger run side by side – with four subscriptions and four interfaces. 3CX bundles everything into one platform.
Your number rings wherever you are: on a Snom or Yealink desk phone, in the browser or on your smartphone. Calls hand over seamlessly between devices.
The 3CX apps for iOS and Android turn the smartphone into a fully-fledged extension – with your company’s landline number. Customers see the office number, never the private mobile number.
The AI agent built into 3CX answers calls, recognises the request and connects to the right person – even after hours. Spam calls are filtered out before a human is disturbed.
System status, trunks, extensions and blacklist on one dashboard. In everyday terms: new staff are set up in two minutes, and the phone provisions itself.
350,000 companies in 190 countries rely on 3CX. With more than 12 million users, 3CX is the fastest-growing communication system in the world.
3CX runs in the cloud, on your own server or hosted by 3CX. PROXYTEC advises which variant suits your requirements – and what that means for your firewall.
VoIP instead of ISDN, free internal calls and low-cost SIP tariffs: companies save up to 80% of their telephone costs – with more features.
Live chat on your website, WhatsApp, Facebook Messenger and SMS all arrive centrally in 3CX – answered by the same team that takes the calls.
Web conferences straight from 3CX, no extra licence: participants click a link and join in the browser – nothing to install.
Queues, IVR, wallboard, agent statistics and call recording – professional call centre tools for companies of every size.
We do not sell a licence and disappear. We plan the system, carry out DECT and Wi-Fi surveys where needed, port your numbers, provision the devices – and then run the system as a managed service.
Which firewall ports does 3CX really need – on-premises, with an SBC, hosted or with VLAN segmentation? We have compiled what is not cleanly documented anywhere else: five network diagrams with every rule, pitfalls and best practices. To the 3CX firewall port list →
That depends on the number of users and the hosting variant – but thanks to VoIP and low-cost SIP tariffs, running costs are up to 80% below a classic PBX. We prepare a concrete quote for you including a tariff comparison.
A typical installation including number porting is live within a few days. The exact schedule is usually set by the porting deadlines of your current provider – we handle the process.
They are ported – with no downtime. Your customers keep reaching you on the familiar numbers; nobody notices the switch.
Not necessarily. Many SIP phones (Snom, Yealink, Fanvil) can be kept; 3CX provisions them automatically. And if you prefer, you can call entirely without a desk phone – via app or browser.
Try 3CX free and without obligation. PROXYTEC sets up a demo environment for you and shows you every feature – from the app to the AI receptionist.