Capture audio from microphone iPhone/iPad

We are having difficulty capturing the voice from the iPhone/iPad microphone and playing it on the speaker. The code works perfectly in an iMac using Cocoa. The functions are: recordAudio (activates capturing the microphone) inputAudioHandler (callback received from the microphone) and sends to speaker How to test the software: [login to view URL] 1) Load tcmobile on xCode 3.4 2) Select Iphone Simulator 4.0 3) RUN 4) On Iphone simultator click "TALK/CHAT tab" 5) Click on button"TALK" 6) Talk something for 5 seconds 7) You will hear your voice back stuttering