phone up

verb2

1. •
   To phone; to contact by telephone.

   • ‘I don’t believe it!’ cried Maxine, who had only phoned up in order to relieve her own boredom and have a good moan about Serena. — 1994
2. •
   To order by telephone.

   • "If we can get his bolster-cover round his arms and then 'phone up a stomach-pump, we'll give the old dear the supper of his life." — 1912