Patent ID: 7068757
Filing Date: 2006-06-27
Classification: H04M

Abstract:
1. A slave test unit comprising: first and second phone line connectors attached to first and second phone lines, respectively, each of the first and second phone lines allowing communications to and from the slave test unit over the respective phone line, and each of the first and second phone lines being connected to a digital data network so that communications transmitted via packets through the digital data network are transmitted between the digital data network and the slave test unit over the respective phone line; means for transmitting and receiving electrical signals as communications via the first and second phone line connectors over the first and second phone lines, respectively, the electrical signals being transmitted and received as communications between the slave test unit and a remote test unit through the digital data network, electrical signals received by the slave test unit from the remote test unit comprising test commands; means for decoding the test commands from the electrical signals received from the remote test unit; and means for executing the test commands, the executing means including the ability to generate test signals on either of the first and second phone lines, the test commands being received exclusively from the remote test unit, to thereby test voice signal quality of voice calls transmitted through the first and second phone lines and as packets through the digital data network.