Patent ID: 8121591

Claim:
A method of determining the quality of voice communications provided by a plurality of mobile telephones, comprising: storing in a memory one or more telephone voice signals communicated by each of the plurality of mobile telephones; storing in a memory one or more reference device voice signals communicated concurrently with the telephone voice signals by a device substantially co-located with each mobile telephone that communicated the one or more telephone voice signals; determining a voice quality data of the one or more telephone voice signals communicated by each mobile telephone; determining a voice quality data of the one or more reference device voice signals communicated concurrently with the one or more telephone voice signals communicated by each mobile telephone; and normalizing the voice quality data of the one or more telephone voice signals communicated by each mobile telephone based on the voice quality data of the one or more reference device voice signals communicated concurrently with the one or more telephone voice signals.