Refurbished Phone Exchange Blog — digital telephony

  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...

Toshiba Strata Phone Systems – CTX and CIX Toshiba’s telecom department has released several telephone systems over the years. Two systems they released in the 2000’s turned out to be some of their most popular systems. These are the Toshiba Strata CTX and the Toshiba Strata CIX. Customers often call us looking for replacement Toshiba phones for their system, but they are not sure which phone is compatible with their phone system.   Toshiba Strata CTX Phone System: The Toshiba Strata CTX is the older of the two phone systems. The Strata CTX was designed to be a modular system...

When setting up your 3Com NBX phone system, you will need some way of connecting your phones to the outside world. This is accomplished through the use of line cards in your 3Com phone system. There are six types of line cards, each designed for a different standard. Below is a summary of each card and how they are used. 3com analog line cards (Part no. 3C10114B and 3C10114C) connect your 3Com system to the outside world through traditional phone lines. Each card adds 4 FXO trunks that connect to POTS lines. These analog cards connect your system to the...

Have you ever wanted to connect a headset to your older Toshiba digital telephone? Most Toshiba phones do not come with a headset port that you can easily use. Instead, optional cards were sold for these phones that allowed a headset port to be installed. Toshiba HHEU and BHEU1A modules are add on cards designed for Toshiba’s DKT (Digital Key Telephones) series of telephones. These modules are required in order to use headsets with your Toshiba phones. They are installed into the phone by opening up the phone and attaching them to the motherboard. The BHEU1A or HHEU cable is...

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...