1. A method for audio communication comprising the steps of: receiving a plurality of digital audio samples in a memory, transmitting said digital audio samples when a predetermined number thereof have been accumulated, detecting that a current sample does not represent voice activity, transmitting all samples stored in said memory irrespective of whether or not there are said predetermined number thereof, and suspending transmission of said samples; detecting that a current sample represents a resumption of voice activity, resuming said transmitting of said samples, and transmitting an indication of the duration of said suspension.