Telephone receiver hanging by cord

Businessman writing on document, phone off the hook nearby, cropped view

Young businessman sitting outdoors using laptop computer, writing, close-up

Man signing document, cropped view, landline phone off the hook in foreground

Landline phone receiver off the hook, resting on side

Two young businessmen smiling at camera, one holding cell phone

Young woman using cell phone, brushing little sister's hand off her shoulder

Young businessman holding up wrist to check time, looking away, office building in background

Man sitting, using cell phone, smiling, looking down

Father and daughter making funny faces selfie

Businessman reading newspaper in office with feet up on desk

Man sitting, using cell phone, smiling, looking down

Two wall phones, one off the hook