1. Vocabularyapology collect call h

1. Vocabulary
apology collect call hotline redial
answering machine conference internal call return call
available country code local call three-way call
bad connection dial long-distance call toll-free number
block disturb mistake tollbooth
bother extension code mobile transmitter
call center emergency number note pad unlisted number
cell phone extension number numbers galore write-up
close call excuse press voicemail
consumer enquiry green line receiver yellow pages