Software-based Phone Systems, hosted PBX, SIP trunks

PBX Cluster specializes in providing all-in-one solution for your office or contact center telephony needs. The unified communications with a software IP PBX include Internet Telephony (VoIP), instant messaging, employee presence information, mobility features, desktop and data sharing, voicemail to e-mail function, online meetings - audio, web & video conferencing, dashboards, reports and many more. The software solutions we deliver come with consistent unified user interface and user experience across multiple devices and media types. Plug and Play with IP Phones, Gateways and SIP Trunks for automatic configuration and use on your Windows, Mac, iOS & Android device wherever you are!

PBX Cluster is your local provider, delivering only products with the highest quality available on the market. Our hosted PBX can free your company from having to invest in the costly equipment of a complex business phone system, while still enabling you to utilize unified communication features like voicemail, conference calling, presence, chat, WebRTC. Contact us for a consultation and we will offer you the best customized telephony solution to match all your business goals and needs.

Reduce phone bills up to 80%

Optimize your business processes, increase your productivity and lower your call costs at the same time! The customizable solutions we offer, such as 3CX and Five9, will reduce your bills and spare you the need of buying, expanding, replacing and maintaining your outdated PBX.

Save on monthly call costs using SIP trunks
No per extension licensing
Scale up to thousands of lines and extensions without extra hardware
Eliminate expensive Web Conferencing Services and cut the travel costs
Affordable to purchase, maintain and expand


We provide 24 hour assistance through a combination of live and emergency on-call support

► Help on configuring 3CX Phone System and questions in relation to its operation.

► Troubleshooting general issues.

► Help with configuration of supported phones and VoIP providers;

► Analysis of SIP logs in case of interoperability issues with a supported VoIP provider and IP Phones.

3CX delivered by PBX Cluster

As a Gold Partner, PBX Cluster is officially a 3CX Certified Engineer and Advanced Certified to deliver the 3CX Unified Communication solution. Chosen for our professionalism and experience, we provide unmatched services for any aspect of the 3CX phone system features.

Our hosted 3CX PBX services include:

Consultation for better understanding of your phone & communication needs

Installation & Configuration assistance

24 hour Technical Service and Support

Advantages of 3CX

Online Faxing

Send Faxes, Receive Faxes. Use Your Existing Email. Just $5/month, Requires no hardware or software. All you need is Internet access, an email address.

SMS services

Our SMS to email service covers the US48 and it is billed at a flat per message fee, and supports both inbound and outbound messaging.

Call Labels

This feature allows staff to see in advance which department or product a caller chooses, and then answer with an appropriate greeting such as “Hello, this is Sales, how can I help you?”


An auto-attendant is a prerecorded “menu” system that can be used to direct callers to different departments or employees within your company.

Business Hour Rules

Easily set the days and times during which callers can reach your staff via phone. You can use Business Hour Rules to create different phone call behaviors based on day and time.

Caller ID

This feature lets you see the name and number of the person calling you before you answer. You can also use this feature to display your company’s name and phone number when you call out.

Call Forwarding

Call Forwarding lets you forward your extension to a cell phone, regular telephone or another employee. When you leave the office, you can forward your extension and receive your calls anywhere.

Voicemail to E-mail

Receive voicemail notification via e-mail, smartphone and on your telephone (message waiting indicator). Voicemails can also be received as attachments in your e-mail box which you can listen to through your speakers.

Unlimited Internal Calls

Both our Dedicated and Shared Lines plans allow your staff to have an unlimited number of internal calls active at any time. Employees can reach each other even if they are in different physical locations without tying up any external lines.

Unlimited Scalability

Traditional telephone systems only allow you to receive a limited number of calls based on how many physical telephone lines you have installed at the office. With our Hosted PBX service you can easily scale your number of lines to meet your needs.

Soft Phones

A soft phone is a telephone that runs on your computer using a headset. It allows you to make and receive calls from any location, using your computer.

Online Call Records

Use our web interface to easily track the details of incoming and outgoing calls, such as: date and time, who called your company, which of your staff placed outgoing calls, duration of each call, and much more.

No Busy Signals

Our Dedicated Lines plan provide you with unlimited calling capacity so that customers will never hear a busy signal. Rest assured your staff will be able to handle even an unexpectedly high volume of calls.

Multiple Phone Numbers

Our Hosted PBX allows you to have as many phone numbers as you like. Offer customers in specific regions a local number so that they can reach you without calling long-distance. Each number can have a unique greeting and call flow.

Multiple Phone Lines

Unlike traditional telephone systems, our plans allow you to add as many lines as you like, with no need to change your network infrastructure. Easily scale with our Hosted PBX service and pay only for the capacity you need.

Multiple Offices

Our Hosted PBX is completely virtual, allowing you to connect multiple offices together as if they were one. This means you can dial employees’ extensions directly, even if they are not in the same office as you.

Live Call Transfers

A live extension transfer allows you to transfer callers from one employee to another, or even to an outside phone number. For instance you can transfer a customer to a technical person at one of your suppliers.

Keep Your Phone Numbers

Transfer your established numbers when you switch to our service.

Find-Me / Follow-Me

Find-Me / Follow-Me lets you select multiple locations to dial when someone calls you. If you were to specify a cell phone, your office business phone and a telephone at another branch office the system will call all these telephones at the same time.

Employee Status Indicators

Employee status indicators show you whether a particular person is on the phone or receiving a call. This feature will work regardless of where your staff are physically located.

Directed Call Pickup

Pick up a call that is ringing on any other phone at any time. If you see a call ringing on another phone or extension you can simply select that ringing line and pick up that call at any phone.

Direct Dial Numbers

Perfect for employees who wish to have customers reach them directly, without having to call the company’s main phone number. When someone calls this number they will be connected immediately or get voicemail if the employee is unavailable.

Dial-by-Name Directory

When customers don’t know the extension number of an employee, they can use the Dial-By-Name directory customers to enter the first or last name of an employee and be transferred to the correct person immediately.

Day / Night Modes

Route calls differently based on day and/or time. For example, you can easily send calls to different hunt groups such as an after-hours sales team and a regular hour sales team.

Custom Hold Music

While callers are waiting to be connected to a department or are waiting on hold for the next available representative they can hear music or promotional messages.

Conference Calling

Connect staff or clients together so that you can hold team meetings or demonstrations. Our VoIP phones natively support up to three parties on a conference call.

Call Recording

Call Recording is possible using one of two methods. You can use a soft phone to quickly and selectively record calls you make or receive.

Take the office with you!

3CX ensures easy installation and management on any of your devices - desktop, laptop or smartphone. Just plug-in to your network and 3CX will automatically configure it (IP Phones, Gateways, SIP Trunks). Your employees can use their extension wherever they go, without compromising with quality and professionalism.

Know who is available

With key features like customizable status and ability to see who is available (Presence), you can save time and avoid unnecessary call transfers, voice mails and customers’ irritation.

Chat function

The instant messaging ensures better communication in and out of the office and within all company employees. No additional cost, no need of third party messaging options.

Free video conferencing

Enjoy the benefits of face-to-face communication with the integrated 3CX’s video conferencing feature. Save money from travelling with the WebRTC technology, which enables voice and video communications through the internet browser, no downloads necessary.

Who are we?

PBX Cluster specializes in providing one stop shop solution for all of your telephony needs. We take care of everything from consulting and hardware purchase to hosting and quality of service consultations. We become your IT department that specializes in your telephony needs. Your phone system services become our responsibility. You don’t have to be technical or understand the specifics, rather you utilize our unlimited technical service and support services and we take care of everything for you. And if you think this sounds good to be true, please check on our references.

Our clients about us

  • " Our company is using the software-based phone system. It saves a lot and the support is great! I would recommend it to any business that appreciates the good quality of the connection with customers."

    Margaret Soo
    - Family owned plumbing company, NY
  • " It didn't take long to decide to try the phone system. Cheap, easy to use, it's all we needed. "

    Rick Marshal
    - Local restaurant, NJ

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