Android :: How To Intercept Voice Data During Call?

Nov 15, 2010

I plan to develop Android application which will encrypt/decrypt voice data such that parties can communicate using secure channel. So the question is: how to intercept voice/audio data during GSM call? Is it possible or not? Should I use Android NDK or something else?

Android :: How to intercept voice data during call?

Android :: Intercept AJAX Call From WebView

Oct 15, 2010

I want a HTML/javascript application, running in a WebView, to make AJAX calls that are handled by the Java code. Ideal would be to just intercept the call (easy, just use shouldOverrideUrlLoading()) and 'return' some data. However, I don't find a way to 'return' a response to the WebView, other than calling a javascript function using loadUrl(). This will not work for me, as the HTML/js app is a drop-in application which I don't control. As far as the HTML/js app concerns, it just does an AJAX call and receives some data back.

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General :: Intercept Call And Add Prefix (Incoming / Outgoing Calls)

Feb 6, 2012

How to intercept incoming calls by adding a prefix like 19299 on incoming, and * on outgoing.

I have built and compiled an .apk file witch force closes for no apparent reason on launch. When compiled it compiles without any errors.

Is it even possible to monitor incoming calls on public API level? Or is that an API that is closed off? if the API is available, is it then possiblo to add said prefix both on incoming and outgoing calls?

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Android :: How Android Handles PCM Data From Voice Call?

Oct 14, 2010

I am trying to understand whether or not Android handles the phone conversation's audio stream or it is done outside Android's framework. Specifically, if, for example, Android controls a cellular processor that provides PCM interface for voice conversation and there is a need to send audio over Bluetooth instead of using mic/speakers, how this is handled? There are two ways here to the best of my understanding:
1. Route PCM from cellular to audio port on Android CPU, then let Android receive the stream and send it to BT stack for processing and eventually pushing to BT hardware over HCI 2. Have Android control a HW switch that will route PCM directly to BT HW using direct PCM interface Which one applies? Is there a preferable way (best usage of resources provided by Android)?

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Android :: Google Voice Call Quality -- How A Call Routed If Have GV Make The Call

Feb 11, 2010

I use Google Voice (love it) primarily because of it's visual voicemail on my Droid. I do have a Google Voice number, and I'm trying to decide whether to set the Droid app to "make calls using Google Voice" or not.

I have no problem with giving out a different number, and my placed calls seeing the GV number in caller ID.

My question is, does this affect how the call is actually connected, from a quality standpoint? I tired a call both ways, and the sound quality seemed a little bit different. But then, I am an obsessive compulsive weirdo.

Is there any difference in call quality or routing between making a native Verizon call and a Google Voice call on Droid? (Like, does Google voice actual use 3G to connect to Google server over the internetz, then place the phone call?)

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Android :: Any Lag Between Call And Voice Mail Notification When Using Google Voice?

May 27, 2010

Compared to say Verizon's voice mail is there any lag between the call and voice mail notification when using Google Voice?

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Android : App To Record Calls (my Voice Only) / Take Voice Notes During Call?

Jul 8, 2010

I'm looking for an app. that will allow me to record calls(my voice only) or take voice notes during a call. I've tried a few but it seems neither of them works on android 2.2.

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Samsung Behold 2 :: Make Voice Call Or Video Call

Jul 28, 2010

I've been using Nimbuzz and fring to make a voice call but fring does not support skype anymore and Nimbuzz somehow mutes itself. I wonder what other BH2 users use to make a voice or video call. If would be really helpful if someone can let me know. I'm in a long-distance(9000km) relationship.

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Android : How To Recognize Voice When You Are On A Call

Dec 7, 2009

Am trying to recognize the voice when am in a call by running the service in background. Is it possible to achieve ? If you have any idea on this please provide me ASAP.

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Android :: Way To Have Call On Google Voice Number?

May 17, 2010

I use google voice to send all my calls on my cliq xt but I was wondering if there is a way to have people call my google voice number and not have it count towards my minutes. Also is there a way to have the sms be integrated with the built in android sms app or have the voice app constantly be open?

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Android :: Grabbing Voice (in Both Directions) During Call?

Jul 2, 2009

Are there APIs for grabbing the voice (in both directions) during a call? I'm interested in whether it can be intercepted before it's sent out (outgoing) and before it's played by the speaker (incoming).

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Android :: Redirect Call To Voice Mail

Aug 19, 2009

I would like to automatically redirect some incoming call to voice mail. i use a "Broadcast Receiver" to cach call, it works nicely , but how to redirect to voice mail ? is it possible.

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Android :: Make Call By Voice Instructions

Nov 8, 2010

I am looking for a app for my Samsung Galaxy 5 , which i bought in india two days ago. When given voice instructions,it should place a call, compose an sms , etc. I downloaded an app Vling from market, but it works only when connected to internet. Please suggest me any free app available for this purpose Or , is this feature already available in the phone, please guide me.

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Android : Use Text To Speech On A Voice Call?

Nov 17, 2010

it possible to use the text-to-speech engine to send a message through a voice call? Like an answering machine. It's also possible to monitor an outgoing voice call to read out loud a text when the other point answers the phone?

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Android : Playing A Mp3 File Instead Of Voice Call

Mar 30, 2009

Does G1 can support the following feature: When in "In Call" state, user can play a mp3 file instead of the voice from microphone, and the one in the other side can hear the mp3. Can I modify the kernel part or framework part to support that with G1?

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Android :: Patching Synthesized Voice In Ongoing Call

Aug 26, 2009

I am looking at a usecase related to sharing of a phone number of a contact during a call. What I expect to happen is that the phone number is converted to synthesized voice and is spoken into the ongoing call. Is it possible to patch the synthesized voice in an ongoing call?

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Android :: How To Forward Phone Call To Voice Mail?

Jan 21, 2010

I've been searching around the net and browsingthe APIs to find a way to forward an incoming phone call to voice mail, but with no success so far.I know it can be done since some apps do it already. I also know that blocking an incoming phone call is not possible yet and is an issue Google devs are working on.In the app i'm coding, I easily manage to detect an incoming phone call by listening to the phone state. But I cant make the phone NOT ring and NOT show the incoming phone call screen.I' ve tried to cut off the network via a ServiceState object, but that doesn't seem to work.

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Android :: Playing Audio File On Voice Call

Apr 20, 2010

I want to play an audio file on a voice call as following:
The application initiates a call from device X to device Y
When Y replies application on device X should inject an audio file in the stream of the call so device Y hears this audio file.

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Android :: Modify Voice Data Before It's Sent

Dec 3, 2009

Is it possible to modify the voice data before it's sent to the radio?

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Android :: How To Access / Edit Call Phone Voice Stream?

Jul 20, 2010

I need to encrypt the outgoing voice stream and decrypt the incoming phone voice stream in real time. Please guide me if this project is possible with the android sdk

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Android :: Google Voice - Data Connection ?

Jun 3, 2010

I've been trying to wrap my head around this and it's probably an obvious answer but why can't I dial out using my GV number unless I have a data connection active? Per Google and from what I can see, no VoIP is being used and it seems to me when I have a data connection and use GV to dial out it just dials a Google number first. I'd think the call would be made to GV, GV would patch the call through to the person being called and pass on the GV caller ID number. So why does the app need to have a data connection to work?

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HTC EVO 4G :: New Evo In Call Voice Too Loud ?

Nov 16, 2010

so i cracked my screen badly on my evo a while back and sprint got me a replacement evo. i picked it up last night and it works great but when i call someone or someone calls me the in call volume is way too loud for the phone EVEN when i lower the volume. it sounds so distorted and very hard to understand.

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HTC EVO 4G : What Would Cause Static When On A Voice Call?

Oct 6, 2010

This seems to happen mostly when I'm talking to one person, but every now and then I'll hear static on the line when I start to talk. Sometimes when I sniff it happens, or if we talk over each other. It doesn't happen on other calls, so is it the other phone perhaps?

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Android :: Framework To Encrypt / Decrypt Voice Data?

Dec 1, 2009

Is it possible in android framework to encrypt/decrypt voice data? What I am thinking is when a call comes in, and before user picks it up another local application is activated, it then encrypts and decrypts outgoing/incoming voice data?

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Android :: Accessing The Data - Voice Streams And IOS Platforms

Sep 28, 2010

I haven't done any work with the Android or iOS platforms, but I have recently been pitched a project and I'm trying to see if it is even feasible.

Is there currently API hooks in the iOS and Android platforms for accessing / manipulating the voice / data streams? What I would like to do is encrypt all outgoing steams and decrypt all incoming streams before they reach and other processes that need that data.

I would assume that because the Android platform is open source one should be able to do this, it just may have to be hacked together. I'm more worried about iOS.

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HTC Incredible :: Does Inc Sleep During Voice Call?

May 10, 2010

I just checked my battery and my awake time is 1:00 hr while my voice calls under battery usage show 1h 41 min.I am just asking to better understand the Android OS the time for my voice calls seems to be on par but how does it show that the phone was only awake for 1 hr?Should the awake time not be the same or greater depends on what I did while the phone is not "sleeping"? I am just a little confused by this...could someone pls explain?

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HTC Desire : How To Use Google Voice Call?

Aug 24, 2010

Just got my desire yesterday and i'm wondering how to use google voice call? cus there's nothing in the manual i held the search button and said "call home" but it brings up the browser can someone give me a step by step guide on how to use this feature this is my first smartphone so go easy.

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Android :: App To Intercept SMS Without Loading It To UI?

Mar 11, 2009

Requirement: 1. The program must be on top of SDK only, no hacking! 2. When a TEXT SMS is arriving to Android mobile, the program must intercept the TEXT SMS to analyze the SMS content (access the whole SMS data) 3. In terms of the SMS content, the program determines if the SMS is erased as it doesn't exist. No notification, no update to Inbox UI. 4. Power cycle the Android phone, the SMS is not seen at Notification or message Inbox

Can any one help with the solution? Or which API shall we look into?

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Samsung Epic 4G :: Not Ringing - Voice Call

Sep 5, 2010

The phone sounds an incoming call with the female voice identifying the name and number of the caller. Usually, I can't hear it--it's too soft. I've found and played with all the settings I'm aware (still learning more).

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HTC Legend :: Voice Call Speaker Output

Sep 7, 2010

The voice call speaker on my Legend has become extremely unpleasant to use for calls. I can only describe the output as scratchy, buzzy or raspy. At first I had hoped it was a reception issue, but since the headset provided works with perfect clarity during a call, I am sure it must be a hardware issue. This issue started 2 months after I bought the phone.I contacted the nearest Bell store (Canadian mobile provider), and described the problem. I was told that 3 other similar cases with the HTC Legend had been received that the representative had heard of.Has anyone else experienced a similar problem? If you sent it away to be fixed, was the problem corrected with no further difficulties?I'm hesitant to pay for the shipping and repair costs if this is a persistent problem or hardware malfunction that is prone to happen time after time.

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