I called her she didnt relpy?

so i like this girl who happens to be a friend from highs school i had a date wit her a week ago, i decide to call her, she didnt answer, or reply. what should i do? call her in a couple of days of a week or just drop this girl.
Update: if i call again it will make me sound desperate and needy, and i know that is a turn off
Update 2: okay i aimed her she responded but than ended th convo saying well catch up later.. wat to do next?
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