13501=Before sending your first voice message, Nimbuzz will check if your phone supports audio recording.\nPlease say something after you have pressed '{0}'.
13502=Sorry, but your phone doesn't support audio recording from a 3rd party application like Nimbuzz.
13503=Press '{0}' to listen to your recorded message. If you can hear the message, the audio recording works correctly.
13504=Could you hear the message you recorded?
13505=Sorry, it seems your phone doesn't support audio recording. Anyway, check your phone to be sure you don't have the 'Silent' profile active or other wrong settings and repeat the test.
