Patent ID: 8717903

Claim:
A testing method applied to an IP phone system for testing an electronic device comprising a true table and a plurality of signal ports, wherein the testing method comprises steps of: connecting the electronic device to a power generating jig and an IP phone simulator via a cable; providing a power generated by the power generating jig to the electronic device; providing a first value power command issued by an IP phone simulator to the electronic device; determining whether the electronic device is able to correctly control the signal ports in response to the first value power command and the true table; providing a second value power command issued by the IP phone simulator to the electronic device; determining whether the electronic device wherein the second value power command is different from the first value power command is able to correctly control the signal ports in response to the second value power command and the true table; and concluding that the electronic device passes the test if the determination results in the determination steps are both affirmative.