Camp-on busy signal

In telecommunication, the term camp-on busy signal has the following meanings:

A signal that informs a busy telephone user that another call originator is waiting for a connection. Synonym: call waiting

A teleprinter exchange facility signal that automatically causes a calling station to retry the call-receiver number after a given interval when the call-receiver teleprinter is occupied or the circuits are busy. Synonym: speed-up tone

This page was last modified 03:02, 8 April 2007 by Wikipedia user Jim.henderson. Based on work by Wikipedia user(s) THB, Hetar, Grubber, DanMS, EdH and Eclecticology and Anonymous user(s) of Wikipedia.
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