Top Vendors for Private Branch eXchange (PBX) Information Resources

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Cell Phone Rentals

Directory of domestic and international cell and satellite phone rentals for business use. Vendors offer daily, weekly or monthly plans. more »

Cell Phones

Directory of cell phone dealers offering business cell plans and cell phone services. Review vendors offering short term cell phone plans, prepaid cell phone plans, and various sma… more »

GPS Cell Phones

Suppliers of GPS cell phones and satellite cell phones for sale or rent. Research satellite cell phone providers offering both new and used satellite phones. Select GPS satellite p… more »

International Cell Phones

Vendors of international cell phone service. Companies that sell or rent prepaid and satellite mobile phones to business travelers outside of the United States. more »

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Providers of international mobile phone rental services for travellers or business people. Review our business listings for links to several suppliers of international cell phone r… more »

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Private Branch eXchange (PBX) Information Resources


Locate private branch eXchange (PBX) information resources to find a telephone system to use within your company to make free desk to desk calling, and to keep one central line into your organization. A common external phone line gives your customers one point of contact with your organization while keeping your costs down to make phone calls internally.

Use your PBX reference to learn how other businesses use PBX lines to connect to public switched telephone networks (PSTN) via trunk lines. It is using a PBX and a trunk system that you may be familiar with the term "extension." A caller dials into one main line, and they are routed to a particular phone in the building that branches off of the main phone line's trunk.

To make the most of private branch eXchange (PBX) information resources:

1. Start with general PBX info. Know and understand the terms before you contact any service or hardware providers.

2. Track PBX reference materials on the latest PBX technology.

3. Speak to a qualified professional and discuss PBX options for your business.

Start with basic PBX information

Get to know the fundamentals of PBX information before speaking to any service providers. Have at least a partial understanding of the concept and be familiar with the terms.
Washington State Department of Information Services has to share on private branch exchange configuration and information. Webopedia offers a short but effective definition of PBX, while TechWeb offers additional information and vintage pictures.

Find PBX research on advanced PBX systems

See what technology PBX research has brought us. From VoIP to open source to digital PBX systems, see what options are available aside from just analog services.

Check out PBX information on non-analog providers

Look into the providers who have expanded into services such as digital PBX information, VoIP with PBX information or other advanced research on PBX.
  • As with any good negotiation, be sure and receive quotes and PBX info from at least three service providers before committing to one in particular for your business needs.
  • Make sure that free troubleshooting is available in case of an issue with the hardware.