android can achieve dual monitor card?

As stated public api calls android dual sim card can achieve specified card call monitoring function?
Are based on the Internet seems to ask specific processing platform.

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Reply:
No, unless the underlying module mobile phone manufacturers mobile devices open listening function, or modify Andoid kernel. But it comes to the most fundamental issues of personal privacy, undermining the security of the phone, which is the normal phone developers must be carefully taken into account. If you really have special needs in this area, can be individually customized, but the two sides are required to call to follow certain rules, calls should also be encrypted to prevent eavesdropping outside.
Reply:
Demand for dual card is not designed google, android system does not provide an interface, but you can find the corresponding interface via reflection to achieve the dual monitor card
Reply:
Not send any card calls are broadcast it?