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Suppliers of PBX phone systems and hardware. Research PBX system vendors offering private branch exchange software, phones, and other PBX equpiment. Select a PBX telephone system that fits your business communcation needs.

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Private Branch Exchange (PBX) Phone Systems

First impressions count, and they're often formed when customers place a call to your business. Do they get a busy signal? Does the phone ring and ring without being picked up? If so, you could be losing their business before you even have a chance to pitch your products or services.

Supplies for PBX Phones

PBX (private branch exchange) standard telephone service is used by companies all over the world. It is a telephone switching system that allows calls to be transferred from one connected phone set to another and it provides incoming and outgoing phone lines.

Business telephone system - Wikipedia, the free encyclopedia

A key system was originally distinguished from a private branch exchange (PBX) in that it did not require an operator or attendant at the switchboard to establish ...

PBX - Wikipedia, the free encyclopedia

PBX may refer to: Pakubuwono X, the tenth Susuhunan of Surakarta in Java, Indonesia; Polymer-bonded explosive · Pre-B-cell leukemia homeobox · Private ...

What is a PBX Phone System? - 3CX

PBX stands for Private Branch Exchange, which is a private telephone network used within a company. Users of the PBX phone system share a number of ...

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What is Private Branch Exchange (PBX)? Webopedia

A private telephone network used within an enterprise. Users of the PBX share a certain number of outside lines for making telephone calls external to the PBX.

What is private branch exchange (PBX) ? - Definition from

A PBX (private branch exchange) is a telephone system within an enterprise that switches calls between enterprise users on local lines while allowing all users ...

Login - Virtual PBX

Virtual PBX, a business phone system providing call routing, follow-me calling, voice-mail, fax-mail, and ACD queues with no customer installed equipment.

PBX VoIP Service Providers & Small Business Phone Systems by ...

Save 40% – 80% Over Traditional Systems. Get rid of PBX hardware & pricey phone lines with a cloud-based phone system. Unlimited Minutes with Office Plans ... PBX Phones & Systems: Office Products

Results 1 - 24 of 2956 ... Online shopping for PBX Phones & Systems from a great selection at Office Products Store.


Users and customers frequently ask why Digium offers both the free-and-open Asterisk engine and the commercial Switchvox IP PBX solution. The answer is ...

Virtual Phone System & PBX

Virtual Receptionist PBX phone system with unlimited extensions. Low cost, instant set up. Try it now free.

PBX Phones Key Terms

Since many medium and large businesses use Private Branch Exchange (PBX) telephone networks, it's vital to know and understand the key terms related to these types of phone systems. PBX phones provide outside lines without the cost of having an external telephone line hooked up to every phone system in a business. Users can transfer incoming calls throughout a company or make outgoing calls to more than one phone line at a time. There are many key terms used to describe and explain the various functions and types of PBX phones. Take the time to learn them so that you can provide your employees with information about PBX phones and maintain an efficient business.

Integrated services digital network (ISDN) systems

Integrated services digital network systems are the global communications standard for sending voice, data and video over telephone lines. ISDN is one of the services that users of PBX phones can select when creating their business phone system.

Voiceover Internet Protocol (VoIP)

Voiceover Internet Protocol, or VoIP, is a type of PBX phone system that uses the Internet to transfer calls. Using VoIP services allows users to make phone calls without additional charges beyond their monthly Internet access billing.

Central office exchange (Centrex)

Centrex is a type of PBX phone system that switches calls from a local or centralized phone system instead of through a telephone company. Centrex users can select the services they want including call transfer and three-way calling for their PBX phones.

Interface module

An interface module is a terminal connector or switchboard that connects components to a central system. Businesses that use voice mail, fax machines and modems can integrate services and promote productivity.


A digital phone system uses digital transmission technology to convert audio files into digital or binary codes. Digital technology offers PBX users clearer sound than analog systems.


Analog transmissions are the original method for transferring voice and data. It uses one continuous signal to transfer information, but it is generally not as clear as a digital transmission. Many PBX phones have the ability to use both digital and analog methods.

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