M?t sales funnel b?t ??u v?i m?t s? l??ng l?n khách hàng ti?m n?ng, n?m ? trên cùng c?a ph?u.Missed call text messages will also be an economical way to communicate updates with customers. Sending a text concept concerning sales promotions or discount rates causes it to be less complicated for customers to know what is offered and when in order