The Ameritec AM7 allows testing to be performed in development or manufacturing environments where a real switch is not available, or it is too costly, risky or limiting to use lines connected to a live switch. The AM7 is able to detect Pulse, DTMF or MF R1 Signaling Digits, and can establish a switched connection to any other line in the unit. Call Progress tones and cadences are easily programmable to produce dial tone, ring, ringback, busy tones, winks, etc. It can also simulate Special Information Tones, circuit congestion conditions, such as line or trunk busy, and