Try downloading and installing the voice codec
Here
Alternatively
Option 1
The DSP codec can be installed on Vista using the following procedure:
1. Acquire
tssoft.acm and
tsd32.dll *The unzipped file has to be put into the directory "C:WINDOWSsystem32". Then the codec is installed!
2. Open the Windows\System32 directory
3. If tssoft32.acm is present, rename it tssoft32_old.acm. Either way, proceed to the next step
4. Place tssoft32.acm and tsd32.dll into the Windows\System32 directory
5. Create the following registry entry:
a. Folder (you may need to create some of these folders: KEY_CURRENT_CONFIG>Software\Microsoft\windows\CurrentVersion\Drivers32\msacm.trspch
b. Set REG_SZ value to: tssoft32.acm
c. No need to reboot, just close regedit
6. You can verify that the codec installed correctly by going to WMP 11\Help and clicking on “Technical Support Information”. A webpage will open listing all the codecs installed. If tssoft32.acm is listed, you’re set!
:SMILE: