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 productive way to communicate updates with customers. Sending a text message about sales promotions or discounts can make it less complicated for customers to really know what is offered and when in order that t