Two wall phones, one off the hook

Man looking at cell phone

Woman using cell phone, pad of paper on table in front of her

Young woman using cell phone

Woman standing outdoors on grass talking on cell phone, with chair, in front of overcast sky

Phone off hook, on open agenda, close-up

Businessman using cell phone outdoors

Telephone receiver hanging by cord

Silhouette of woman using cell phone

Rotary telephone with receiver off the hook, still life

Mature businessman talking on cell phone

Young woman talking on cell phone

Woman talking on cell phone

Businessman text messaging with cell phone

Female doctor using cell phone

Telephone receiver hanging by cord

Man using cell phone outdoors, portrait

Dead phone line

A man trying to use a broken phone

People, Mobile Phones, Work Off, Busy, OL, Female, Cell Phones

An illustration of men working to meet a deadline

An illustration of employees working around the globe

"Red telephone handset, illustration"

Phone off hook