telecoms tool

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good day, starting project assist me making tool work. appreciate guys expert advice.
i work in telecoms industry, on copper network. looking set device @ customer's premises, allowing me remotely change have connected on jack eg. adsl router or telephone or short circuit. being able remotely change have connected on jack run tests before return customer. 

thank kindly
naeem

an can permits required plug such device network?

how imagine control device remotely?


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