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Old Nov 6, 2018, 5:12 pm
  #28  
jmanirish
 
Join Date: Feb 2011
Location: LAX
Programs: UA:1k; MR: PLT; Hilton: Gold
Posts: 1,324
My, uh, friend took a conference call on the wifi (via regular iPhone wifi calling with AT&T). It was unavoidable due to a flight delay, and he only had to listen in (not speak or disturb anyone). He said it made it 30 minutes without issue.
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