This Independent Study mainly aims to analyze the feasibilities in term of project investment, cost of financial and financial benefit gained from the Investment of Calling Advertising Service’s project. Due to this, the Independent Study was separated into 4 sections orderly; (1) the marketing feasibility’s study (2) the technical feasibility’s study (3) the management feasibility’s study and (4) the financial feasibility’s study. Accordingly, the results from all mentioned sections are very satisfied. From the result of marketing feasibility’s study, the market of mobile advertising remains continuously expand because it’s considered as a new channel, new technology and definitely required less advertisement cost compared to other advertising channels. From the result of technical feasibility’s study, the calling advertising system can be installed and monitored without affecting because the company had many expertise personal teams responsible for. In term of the management’s study, the working flows of calling advertising project can be based on the current flows which implementedby AIS company. For the last section, the financial feasibility’s study shows excellent financial results, therefore, the service can be funded by the company’s asset. The calculated payback period is 10.63, while the Net Present Value (NPV) is 24.60 million Baht and the Internal Rate of Return (IRR) is 155%. As a result, the feasibility’s study shows highly rated for business opportunity’s success.