A method and system for increasing the efficiency of providing bandwidth for voice traffic to a data provider via asynchronous communication mediums is provided. This is generally accomplished by not transmitting any data during the silence periods and playing out background noise (i.e., comfort noise)...http://www.google.de/patents/US20060067253?utm_source=gb-gplus-sharePatent US20060067253 - System and method for suppressing silence in voice traffic over an asynchronous communication medium
