Android how to send / receive DTMF, urgent!

Android on a call, how to send DTMF, if it is tel: 10086,1234556667676 such transmission is slow, how to improve the speed;
And how to receive the DTMF?<-! Main posts under Banner (D4) -><-! Posts under the main text (D5) ->
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There is no master come back to this problem ah? ? ? ?
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This problem is not a quick fix! We have only one delivery method of the ~ ~ ~
Value on Android, then send DTMF added directly behind the phone number to be sent as: 10086,123
Call dialer used when dialing, studied with a custom send DTMF, but without success! ! !
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cited a floor wation2007 reply:

There is no master ah come back to this issue? ? ? ?

This problem is not a quick fix! We have only one delivery method of the ~ ~ ~
Value on Android, then send DTMF added directly behind the phone number to be sent as: 10086,123
Call dialer used when dialing, studied with a custom send DTMF, but without success! ! !
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Replies, give points to! ! !

There are a master, you can leave a message ha ~ ~ ~
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I now have such a problem involving your landlord has not done it, share with you.
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Landlord to solve this problem? Now I have involved in this area ~ ~ ~ seeking to share
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reference to the 6th floor ynkoqmd reply:

landlord solved this problem yet I am also involved in this area ~ ~, seeking to share ~

Hello, this problem can only use such a method is invoked action: tel: 10086,1234556667676

No special processing api
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Now any time you want to achieve in the call can send DTMF, I want to try to use a custom send DTMF, but did not find the relevant API, methods landlord custom can only be called a success you really call action:? Tel: 10086,1234556667676? But then, I would not want to realize the function achieved.
Well, get a day or two, and did not get out to the experts for help ~ ~!
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reference to the 8th floor ynkoqmd reply:

now to realize any time during the call can be sent DTMF, I want to try to use a custom send DTMF, but did not find the relevant API, methods landlord custom can only be called a success you really call action:? tel:? 10086,1234556667676 but this is the case, I would not want to realize the function achieved
.Well, get a day or two, and did not get out ~ ~ help! To master

Indeed, I did not find the appropriate API, was also read the source code, some mentioned! Still not resolved, you can look at the source code ......
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Landlord: Excuse me, "calling action: tel: 10086,1234556667676" specifically how to call it?
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reference to the 10th floor wangtuwen reply:

landlord: Excuse me, "calling action: tel: 10086,1234556667676" specifically how to call it?

See the API documentation ah! ! !
Intent intent_call = new Intent (Intent.ACTION_CALL, Uri.parse ("tel: 10086,1234555")) ;/ / call and send by DTMF

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Intent intent_call = new Intent (Intent.ACTION_CALL, Uri.parse ("tel: 10086,1234555")) ;/ / call and send by DTMF

How to get it 10086,1234555
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reference to the 12th floor of the reply:

Intent intent_call = new Intent (Intent.ACTION_CALL, Uri.parse ("tel: 10086,1234555")) ;/ / call and send by DTMF

How to get it 10086,1234555

This function is to send DTMF, no reception function!
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good topic!
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Hello Dear Landlord, android send DTMF achieve it? Seeking exchanges, buttoned: 644,953,556