How to open 20 yuan 150M traffic of telecom building block package by SMS?

Edit SMS: this machine sends KTLL20 to 1000 1 20 yuan packet 150M.

Telecom's building block package is that voice calls, Internet traffic and 3G applications can be ordered at will. From the lowest monthly usage fee 19 yuan, 30% of the phone bill can be refunded. Free mix and match, tailor-made, careful calculation, high cost performance. In the package, you will be charged according to the package you choose. Outside the package, the local call is 0.20 yuan/minute for domestic call, 0.39 yuan/minute for domestic roaming call, 0.0003 yuan /KB for mobile Internet traffic, and 0./kloc-0 yuan/piece for domestic point-to-point SMS.