A system and method for determining the quality of communications provided by a plurality of mobile telephones is provided. The method may comprise, for example, receiving one or more telephone voice signals from each mobile telephone; storing the one or more telephone voice signals in a memory; concurrently with aid receiving telephone voice signals from a mobile telephone, receiving one or more reference device voice signals from a reference device substantially co-located with the mobile telephone; storing the one or more reference device voice signals in a memory; determining voice quality data for the telephone voice signals; determining voice quality data for the reference device voice signals concurrently received with the telephone voice signals; and normalizing the voice quality data of the telephone voice signals from each mobile telephone based on the voice quality data of the reference device voice signals concurrently received with the telephone voice signals.