You need to define the voice of your WhatsApp campaign after you know who you are speaking with and what problems you are going to solve. With the help of whatsapp you talk with your customers like a friend. Using a more conversational and individualized approach than email marketing, you must develop your voice in order to establish your brand. This will serve as the core point of all of your marketing initiatives.That means you should take the service of the best Whatsapp marketing software Provider who will help you like data protection and many more.