Refurbished Phone Exchange Blog — analog telephony

ESI is an American manufacturer of phone systems, which was founded back in 1987.  Over the past 28 years ESI has released several different models of phone systems.  Many of these systems begin with "ESI IVX", IVX standing for "integrated voice exchange".  This brings us back to the topic of our blog... so what's the differences between all the IVX phone systems? ESI IVX Classic: This phone system is not actually called the IVX Classis. Rather, this is the colloquial name given to the system which is simply known as the ESI IVX. The system only works with the EKT-A...

Buying a phone system is an important investment. You must put careful consideration into price, potential for growth, and ability to find replacement parts and accessories. Of course in today's business world, many SMB's are opting for a cloud-based system, but is that the right solution for you? How much should I spend? The first thing customers ask about when searching for the right phone system is price. How much will it cost me? The answer depends on a few factors, number of lines, equipment and more importantly features.­ Features can range from call groups, conference bridging and voicemail transcribing...

  The Comdial DX-80 and DX-120 are popular digital phone systems released by Comdial Vertical. The Comdial DX-80 is the older phone system designed to be a small business phone system that provided key features at a reasonable price. The Comdial DX-120 (Edge 120) is the newer digital phone system designed around the Comdial Edge 120 (7261-00) phone. Comdial phone system size and user support... The Comdial Edge 120 (DX-120) phone system is the larger of the two systems. While both systems ship as relatively small systems suitable for office user, the DX-120 can support more users. The DX-120 can...

Analog Telephone Adapters (commonly abbreviated to ATA) are devices that are designed to support legacy analog equipment on newer digital or IP based systems. The ATA is most commonly a small separate device that contains an FXS (Foreign eXchange Service) port, an Ethernet port (RJ-45), and a power plug. In addition, sometimes IP based analog terminal adapters can be powered through the 802.3af power over Ethernet (PoE) standard to eliminate the need for a separate power supply.   Many businesses now use ATA terminals to connect a legacy phone or fax machine to their system. The fax’s RJ-11 phone line...

Those small businesses and sole proprietors who are responsible for choosing their own phone systems often run into some confusion when it comes to analog, digital, and IP technologies. This article will explain the basics about each technology and allow you to choose the most appropriate phone system for your business with more confidence. Analog telephony, or POTS Analog telephony, also known as POTS, stands for plain old telephone service and uses the narrow RJ-11 plug to support your standard phone, fax machine and modem. Analog technology works by translating audio (your voice) into electronic pulses. Analog is most likely...