busy test

busy test

[′biz·ē ‚test]
(communications)
A test, in telephony, made to find out whether certain facilities which may be desired, such as a subscriber line or trunk, are available for use.
References in classic literature ?
Every wire that comes into the board is tasselled out into many ends, and by means of a "busy test," invented by Scribner, only one of these ends can be put into use at a time.
With tackling height currently a major talking point in rugby amid a number of incidents already this season, it will inevitably remain under the spotlight throughout this month's busy Test match schedule.
During a fairly busy test session, we went through the entire wardrobe near Cockatoo Island.
Johannesburg, Sept 10 ( ANI ): South Africa national bowling coach Allan Donald has predicted very little change in the Test team's lineup, saying that the team will pick itself ahead of a busy Test season.
The Australian official looks set for a busy Test, but Panesar is concentrating more on continuing his impressive record at Old Trafford, where he has claimed 18 wickets in his previous two Tests.
Saints, struggling in 11th place and reeling from a 48-12 hiding by London Irish last weekend, will be without half-a-dozen players because of this weekend's busy Test match schedule.