call up

make a telephone call; recruit, mobilize

mobilized, conscripted, summoned for military service; invited, summoned, called by telephone

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Noun
1. an order to report for military duty
(hypernym) summons
(derivation) mobilize, mobilise, rally
(classification) military, armed forces, armed services, military machine, war machine

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Verb
1. bring forward for consideration; "The case was called up in court"
(synonym) bring forward
(hypernym) raise
2. get or try to get into communication (with someone) by telephone; "I tried to call you all night"; "Take two aspirin and call me in the morning"
(synonym) call, telephone, phone, ring
(hypernym) telecommunicate
(hyponym) cell phone
(entail) dial
(verb-group) call
(classification) telephone, telephony
3. recall knowledge from memory; have a recollection; "I can't remember saying any such thing"; "I can't think what her last name was"; "can you remember her phone number?"; "Do you remember that he once loved you?"; "call up memories"
(synonym) remember, retrieve, recall, call back, recollect, think
(hyponym) know
4. call to arms; of military personnel
(synonym) mobilize, mobilise, rally
(hypernym) call, send for

Initial voice contact between a facility and an aircraft, using the identification of the unit being called and the unit initiating the call. (FAA4)

phone, dingle you, give me a ring, Call her up and ask her for a date. Go ahead, phone her.

Initial voice contact between a facility and an aircraft, using the identification of the unit being called and the unit initiating the call.
(Refer to AIM.)