Answer: dialing

AnswerCrossword Clue
DIALING

Ringing up, old-style

DIALING

Calling, in a passe way

DIALING

Ringing up, in the past

DIALING
Calling a number.
DIALING
Calling one's party.
DIALINGLong-distance activity.
DIALINGMaking a call
DIALINGPlacing a call