Meda

You might know that when you're using a VoIP software on your pocket pc, the sound actually goes to the back speaker, and so everyone around can hear your entire conversation.
For privacy reasons, but also for improving the audio quality, you can use the AudioRoute software from Teksoft together with your favorite VoIP program.

AudioRoute is a FREEWARE tool that switches the audio to the earpiece speaker.

You can dowload AudioRoute from teksoftco website, section freeware.