(telecommunications) The delay that occurs when a call arrives at an automatic switching device and no channel or facility is immediately available to process the call.

(telephony) An itemised list of the telephone numbers called from a particular account. / (telephony) A sorted list, derived from the above, showing those numbers called most often.

plural of call girl

(transitive) To recall; to cancel or call a halt to. / (intransitive) To telephone in one's notice of a day's absence from work.

(informal, slang) A telephone call made to request a sexual encounter. / (informal, slang) A sexual encounter arranged by telephone.

(transitive) To make a booty call.

A situation in which an injury or other undesirable outcome is narrowly avoided. / A close brush with nuclear war.

(broadcasting) A combination of letters and numbers used to identify a radio or television station.

A business location where phone calls are handled, often regarding customer service, sales and telemarketing.

Alternative spelling of call center