Introduction - If you have any usage issues, please Google them yourself
First to say a few points: 1 calls to intercept this feature we may know, is the use of reflective theory called ITelephony hidden methods to achieve. This does not say, in the annex to the code. 2. Interception after prompt tone/empty/shutdown/has been shut down this function is actually to use MMI instruction, specific how to set up a call transfer can be specified here http://baike.baidu.com/view/206402.html? FromTaglist. In this paper we will use divert transfer function. China Mobile s**67# phone number is set#, cancel the way for##67#. These two instructions can be directly tested on the phone s dial interface. Endcall ITelephony method to hang up the phone, the phone will be busy busy. If the beforehand set busy when transferred to an empty/shutdown/have shut down the phone number will prompt you dial the phone number is empty/shutdown/has been shut down.