Mel systems and services presents remote test servers[model 940rts and 945rts] from sage instruments, usa in compact, modular, rack-mount package designed to facilitate on-demand and automatic testing on tdm and vop networks. Efficient and cost effective, these multi-functional, multi-user test servers combine dsp intensive diagostic features with high-test throughtput capability. Applications include vop service level agreement verification [sla], bellore/telcore gr-822 test lines, qos automatic trunk routing, echo canceller testing and routing, digital facility testing, local loop qualification, vf transmission testing, fax/moderm qualification, supports oss and test os integration, etc.