Πάρε με τηλέφωνο means "give me a call" (telephone call). "Πάρε" is the imperative form, second person, singular number of the verb "παίρνω" (take).
Με παίρνεις τηλέφωνο also means "give me a call". "Παίρνεις" is the present tense, second person, singular number of the verb "παίρνω".
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Vasiliki Baskou, Instructor/Director, https://learn-greek-online.com.