hang up -
put a telephone receiver back in its cradle
put back,
replace substitute a person or thing for (another that is broken or inefficient or lost or no longer working or yielding what is expected); "He replaced the old razor blade"; "We need to replace the secretary that left a month ago"; "the insurance will replace the lost income"; "This antique vase can never be replaced"
hang up -
cause to be hanging or suspended; "Hang that picture on the wall"
