Important calls.

Phone calls on buses, in shared Ubers or restaurants are a headache. Same goes for most offices. Now that open floor plans are popular for offices, phone booths are a must. you Can always purchase one prefabricated for around $5k and up or you can make one. Depending on your space...here are a few options I have done. Cost was fractions....

Same office, a little less formal...

in Manhattan office with gold walls...