Patent ID: 7940684

Claim:
A portable test device for testing a VoIP telephone line on a VoIP network, the device comprising: a master control unit; a graphical display unit in signal communication with the master control unit; a user interface unit in signal communication with the master control unit; a CODEC unit in signal communication with the master control unit; and a coupler in signal communication with the master control unit, a detector for determining which VoIP protocol is compatible with a VoIP telephone line; wherein the detector comprises a registration unit for issuing a registration message attempting to register with a call manager in the VoIP network with a registration signal compatible with a first VoIP protocol, and receiving a return signal from the call manager indicative of when the first VoIP protocol is compatible with the telephone line; and wherein the registration unit is for issuing a second registration message attempting to register with a call manager in the VoIP network with a registration signal compatible with a second VoIP protocol, and receiving a return signal from the call manager indicative of when the second VoIP protocol is compatible with the telephone line; wherein the portable test device is configured to implement a suite of tests that run automatically from the test device, and to provide results responsive to the tests indicative of which call control protocols and CODECs are supported by the VoIP network.