call up

make a telephone call; recruit, mobilize

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

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
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.)