Bulk voice calls are prerecorded voice messages (in a language understood by a common majority or popular in a local district) to a mobile or landline networks across the country. Bulk voice calls are automated calls which involves automated dialing to hundreds of numbers at once using computer managed lists, playing a pre-recorded message to automatically dialed mobile or landline numbers. This communication technique of bulk voice calls has the advantage of most penetrative reach and personalized messages. Voice calls are also most cost effective in comparison to the traditional mailers.