Mac Bulk SMS – USB Modems Screenshots
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To connect USB modem with software, click 'USB Modems Connection Wizard'.
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Select your device from 'Connected Device List' box and then click 'Use Selected Device to Send SMS' button.
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Click 'Load Contact File' or 'Add or Paste numbers Manually' options to load recipient contact numbers.
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Progress bar to view running status of Messages Sending Process.