Answer: openline

AnswerCrossword Clue
OPENLINE

Talk show caller's opportunity

OPENLINE

It's not busy

OPENLINE

Available phone channel

OPENLINE
Talk-radio format
OPENLINE
Like some radio shows
OPENLINEPhone-user's quest
OPENLINEPoor pigskin defense?
OPENLINECall-in
OPENLINEInvitation for a radio call-in
OPENLINEOpportunity for a radio talk show caller
OPENLINEMetaphor for easy access