Smart, scalable 3CX phone systems for London businesses.
3CX is a VoIP phone system with powerful telephony features at a lower cost. Its simultaneous call licensing is cost-effective, and it works for remote, hybrid and on-site teams of any size.
We set up and support your system, with SIP trunks for clear, reliable calls.
Benefits of 3CX
Pay for calls, not users
Most phone platforms charge per user, even for people who rarely make calls. 3CX licenses by simultaneous calls, so you only pay for the number of calls happening at once.
Maximum flexibility
Use softphones and web-based clients on almost any device, whether your team is in the office, hybrid or remote.
Dedicated hosting
Each business gets its own secure, individual 3CX instance.
Cost-effective
Cut office phone costs and remove inter-office call charges.
Seamless integrations
Sync with leading CRMs and browsers to boost efficiency.
Enhanced communication and collaboration
Live chat and click-to-call
Embed live chat on your website with built-in click-to-call.
Universal softphones
Make and receive calls from iOS, Android or any browser.
Smart call routing
Custom routing, forwarding and call parking.
Video conferencing
Host video meetings as part of your 3CX system.
Real-time availability
See the status of colleagues and extensions instantly.
CRM integrations
Click-to-call, call logging and more with popular CRMs.
Call recording and analytics
Record calls for compliance and training, and report on them.
User-friendly control panels
Admins and users can adjust settings from anywhere.
Microsoft Teams integration
Sync 3CX with Microsoft Teams (available with Enterprise licences).
3CX from GS IT
End-to-end support, from system design and installation to ongoing maintenance.
3CX licences
We help you choose the right licence for your simultaneous call requirements and business needs.
SIP trunks
SIP trunks that give reliable connectivity and strong voice quality.
Expert support
Our team handles 3CX provisioning, setup and troubleshooting.
Hardware solutions
A range of plug-and-play handsets and hardware from leading brands.
Looking at the wider picture? 3CX is one of the options in our unified communications service, alongside Microsoft Teams calling.
3CX questions
Unlike a traditional on-site PBX, 3CX is primarily hosted in a cloud-managed data centre. That removes the need for costly hardware repairs, gives you access to advanced features, and removes the hassle of maintenance contracts.
Yes, as long as we have a porting agreement with your current provider, we can transfer your business numbers. Our team handles the porting process, managing the documentation and ensuring a smooth transition.
A feature-rich business phone system with an intuitive management interface. It is highly adaptable, which makes it a good fit for businesses with diverse communication needs.
Yes. 3CX provides a softphone app you can install on your mobile device, so you can access office phone features and make and receive calls from your business number wherever you are.
Switching to GS IT is easy.
Tell us about your current phone system and we will show you what moving to 3CX would look like, including keeping your numbers.