This glossary contains a definition of many of the technical terms
used in this help system.
In some cases additional information is available by selecting the
highlighted words in the definition.
- CED or Called Subscriber Identifier
- The distinctive tone generated
by a Group III fax machine when it answers the phone (2100 Hz).
- CNG or Calling Tone
- The distinctive tone that a fax machine
generates when placing
a fax call (1100 Hz on for 1/2 second, off for 3 seconds).
- CSI or Called Subscriber Information
The "name" of the answering fax machine. An optional frame of information
sent to the calling fax machine during Phase B (see T.30 below). Although
many fax machines permit ASCII information, the T.30 standard states that
this is to contain the international phone number of the fax machine,
including the plus symbol, the country code, the area code, and the
subscriber number using only digits, the plus symbol, and a space.
- Fax System Administrator.
The FSA has special priviledged that permit
the Faximum system to be managed.
- The International Telecommunications Union
sets standards related to facsimile communications.
Previously the ITU was known as the CCITT.
- TIFF Files
- Tagged Image File Format are files
that contain images (pictures).
TIFF-F files are a special type of TIFF file used to store fax images.
A single TIFF-F file may store many separate images (pages).
- TSI or Transmitting Subscriber Information
- The "name" of the calling
An optional frame of information
sent by the calling fax machine during Phase B.
Note that while US law requires that machines transmit
valid TSI information, many people do not properly program their machines
when they are installed and hence the TSI information is not always accurate
or even present.
See CSI (above) for details on the recommended format.