Question 24 - 26 refer to following paragraph:

M: I’ve been trying to contact him all morning, sending faxes and emails. Mario’s away from his desk. Do you know where he’s gone?
W: He had to meet with some clients at the downtown branch. Apparently, their documents haven’t arrived yet, and he needed to deliver them himself
M: I have some great news. Kensington Market has decided to use our advertising campaign. I’d love for Mario to oversee the project
W: That sounds great. You should try to contact him on his cell phone. He would love to hear the news personally from you
24. How does the woman suggest getting in contact with Mario?