The Tekelec Chameleon 5 with BRI / PRI is the newer rebranded version of the Hard model 705 BRI / PRI.
This set is particularly useful for testing ISDN at both BRI and PRI rates. It can perform BERT testing, monitoring, emulation of a TE device or NT1 device. It will test DS-1 and DS0 (Nx56/Nx64).
Additional testing capabilities are SS7, X.25, async, bisync, SDLC, RS-232, RS-449, V.35.
Tekelec Chameleon 5-BRI/PRI