Playing Sound Using Tapi?

Jan 13, 2008

Im developing a TAPI Applicationi had many problems with Acepting the call and detecting DTMF tones, but now these problems are solved,,, now the problem im facing is to play a wave file to the user who is on the phone...... Is there anyone who can gimme code or tel me how to do this in Vb.net

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Sound Playing Using Both Channels?

Aug 25, 2010

I am creating a program in VB 2010 that needs to play two synthesized sine waves at the same time, one in the right channel and the other tone in the left channel.

These tones will be 2 slightly different frequencies.

I tried to start a thread a week or so ago, but I did not make it clear exactly what I needed, and did not get my project started yet.

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Sep 21, 2010

I have a VB.NET application that crashes on a client's computer with a BSOD error... KERNEL_DATA_INPAGE_ERROR.This error occurs at a point where my program does two things:

Locks the computer
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For locking the work station, I am just using this:

<DllImport("user32")> _
Public Shared Sub LockWorkStation()
End Sub

For playing the sound, I am doing this:

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Now, this sound loops until the user logs back in. My software detects the session state switch and stops playing the sound. Sometimes when I log back in, the sound card plays garbage data for a split second, instead of the rest of the audio buffer. I get the impression that this has something to do with session switching.Could my client be having an issue where there is memory corruption occurring at the point of locking the computer?I apologize for the vagueness of this post... I am not sure where to begin as I cannot reproduce the problem myself.

Edit: If the sound is left to play on its own, even without locking the computer, eventually the computer will lock up and then bluescreen. Playing the sound while locking at the same causes it to happen sooner.

Edit #2: So I've seen it fail now. The sound loop starts playing correctly but quickly switches to looping of garbage data. It's as if it is just reading a random location in memory and looping that. Very strange behavior!

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Sep 11, 2009

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May 10, 2011

Here is the code that I have that plays a certain sound

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Alarm.Play()

Well, is there a way to make the sound repeat itself after it is done playing?

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Jul 2, 2009

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I know I need to place this code in the Timer Tick event, but I just have no idea how to import/reference etc. the sound.

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How can I display text while a sound is playing? It keep pausing until the sound has completed.

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im trying to open another form2/app that have music but i wanna stop the sound in form1 from playing when form2 open?

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Nov 19, 2007

I want to make a function to record the sound and then to play the record,like the telephone. I have ever download some articles,but they were all  too complex,or they have too many unassociate code,so I can not understand the courses of the recording and playing.I want to get some code here?

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Feb 25, 2009

For stopping by, is there a way to detect when a sound file (WAV) stops playing?

e.g.> There is a FORM with a PLAY button on which is coded to play a WAV file. But how does VB detect when the WAV file has finished playing?

Here is the code I have on the PLAY button

My.Computer.Audio.Play("test.wav", AudioPlayMode.BackgroundLoop)

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Jan 22, 2010

How I can get the Media playing now playing using Sendmessege or wmp.dll?

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I have a question about of capture sound function, someone have a code example for visual basic 2010 in windows 7?, I tried using mcisendstring function but the sound quality, is poor.

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I have background sound loop with the My.Computer.Audio and it works fine.  I want to play another sound (like a beep) when desired without stopping the background sound.  Several examples I have found don't seem to work.  I am in VB.NET 2008 Professional.

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dim MySound as SoundLib.Sound
MySound = SoundLib.LoadSound("soundfile.wav")

SoundLib.Play3DWorld(Location.X, Location.Y, Location.Z, VolumeModifier, MySound)so far all Im finding is expensive, C#, old, or not .NET compatible.

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Aug 14, 2009

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Jul 21, 2011

I'm creating an application that will have 3 streams of audio. I can get 2 streams playing easy enough using DirectX AudioVideoPlayback and setting the balance for each Audio Instance. However, I need a 3rd Audio instance to play out of another output such as the Rear or Centre. An alternative would be to be able to select a different sound device in the machine to play the 3rd audio stream.

[Code]...

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I have a TAPI program that is very similar to [URL] I have a delegate ...

Delegate
Sub TapiEventCallback(ByVal
dwMessage As TapiEvent,
ByVal dwParam1

[code].....

From my program TAPI will call the number. My problem is that its not raising any events.  I really need CallStateChange.  I raised it from address and moved it up to my TAPI Manager. I put break points everywhere and I can not get anything to raise.

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Jul 27, 2010

I have a modem that CLAIMS to be voice, i still can not get it to do what I want.

1) The modem dials and makes my phone ring, when I pick it up the program does not reconize the event. I have to physically click on button that says Talk. Then my CallStateChanged fires.

2)My other issue is that I can not get any sound to come over the line. I essentially have a wav file that play nicelys on the computer but the modem is not picking it up. Is there some way that I can test the modem to be voice?

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Mar 22, 2010

We have a VB.NET application that is using the TAPI3Lib.dll. At this one site we can multiple addresses for the same Phone extension. For example for extension 149 we are getting Extension 149 - Address # where # is 0 thru 208. Is there a way to just get "Extension 149"? Have downloaded some free utilities and they only show "Extension 149".Below is the same of code:

Code
Dim AddressCollection As ITCollection = coTAPI.Addresses()
For Each loAddress As ITAddress In AddressCol

[code]....

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May 27, 2012

I have problems by paying a wav through the phone line could somebody help me I use getLineID to get the id device for the wav/out but my wav steel plays over the sound card 

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Sep 8, 2009

I'm writting what I thought would be a fairly simple TAPI program in VB.Net 2008 SP1 using the TAPI3Lib.dll. It is supposed to dial out a number and once connected play a wav file then wait for digit input. I got through the dialing but it seems I never get the CS_CONNECTED event letting me know the line was picked up. All I get is CS_INPROGRESS then the call is placed and a CS_DISSCONNECTED if I call the call.disconnect method.

I've double checked my registering for events and my event filter and they both check out (otherwise I wouldn't get the two call states I do get).  Is there anything else I'm missing or is this normal? I'm calling out with a Conexant HDA D330 MDC V.92 Modem. The call is correctly placed, my phone rings and I answer it.  The call state never changes to connected.  If I hang up my phone you hear me hang up through the modem and you then hear a dial tone since the modem in the computer hasn't hung up.

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Mar 22, 2010

I am trying to determine if a modem is busy. I have tried using serial ports which from what i can see just tells me that something is tied to a port or not. It does not tell me if the modem is busy.

My overall question is How do can I determine if a modem is busy? For an added bonus, also is there a way to tell  what device is using a particullar port?  

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Apr 15, 2010

I need to get the decibel level of sound being sent to the sound card (not the actual sound level the speakers are instructed to emit via volume level)There is next to no information i can find on the net to even access sound data. Could anyone point me in a direction for this? The OS will be vista/7.

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Jul 21, 2011

I'm creating an application that will have 3 streams of audio.I can get 2 streams playing easy enough using DirectX AudioVideoPlayback and setting the balance for each Audio Instance.However, I need a 3rd Audio instance to play out of another output such as the Rear or Centre.An alternative would be to be able to select a different sound device in the machine to play the 3rd audio stream.I've been searching the net for 2 days now trying to find a solution, but have so far been unsuccessful. I've tried a few alternative libs such as DirectShow.Net, DirectSound, BASS.Net, QuickTime and OpenTK.Some of them do what I need to do, but they are either too difficult to use and therefore impractical or they are missing some other essential features such as Events which are required to make the rest of the application work. Would anyone oppose to me posting this same thread on other forums?I will of course post a solution if one is found elsewhere without advertising external websites.

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May 17, 2011

I'm looking at writing a application that interfaces with TAPI via the samsung open TSP. The problem I'm having is that after a few days research I am unable to find much info regarding coding for TAPI. There also appears to be alot of contradicting information out there too...

Has anyone got any pointers, examples or sources that I can start looking through??

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Jul 29, 2010

I have been working on a tapi program that will play a wav file over a tapi phone line. I am look for a GOOD quality voice modem. Any suggestions. The one I am working on is really poor for this project. Things I am looking for.....

[Code]...

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Apr 3, 2009

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[Code]...

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Jan 8, 2010

I have with a good level of success got a C# application to use TAPI to connect to my office PBX and dial and hangup calls but need to go further and be able to monitor activity and provide CTI to client pc's as well as integration back to my companies web based CRM.

I am focusing on the client app for CTI popups and dial/hangup functions as the phone number lookup to the CRM is relatively easy.

I initially started by registering one handset in the tapi that I could then dial and hangup, I even seem to have registered all the handsets on the system and to be able to dial from any of them but I don't seem to be able to get any activity logs as to when any of the handsets are ringing etc.

Does anyone have any example tapi code that can get me started or point me in the right direction? I can work with C++, C# or VB.Net as I am okay with any of them.

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Apr 17, 2009

I am trying to build a small program which will allow some one to click on the exit button and the sound will play and at the end of the sound the program will then close. The sound clip is about 3 seconds long Here is what I have:

Imports Microsoft.DirectX
Imports Microsoft.DirectX.DirectSound
Public Class Form1
Private Dsound As CSoundDevice

[code]....

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[code]....

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If
System.Diagnostics.Debugger.IsAttached() Then
ResourceFilePath = System.IO.Path.GetFullPath(Application.StartupPath &

[code]....

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[Code]...

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