Even experts need occasional help with telecom terms. We have combined glossaries from several sources to simplify finding the definitions you need.
Search Tip:: To locate a specific acronym, word or phrase on this page, type CTRL+F (on a PC) or Command+F (on a Macintosh).
A file transfer protocol that includes crash recovery and auto-download features, and can use a 32 bit CRC, which makes it near error-free.
The secondary or end-user end of a special access (non-switched) telephone connection.