1. Streamyx
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2. Streamyx NOC Team (this is the higher level of people who set your connection)
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3. CORE IP Network Development (the dept which make you stuck in 115 IP)
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4. MCMC (get them into the case to push Streamyx people work faster)
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Just keep calling and sending emails to them, push their arse. Do not believe their bullshit that nothing they can do. They can do ANYTHING, just a matter of they want to do it or not. I ensure you within a week your issue should be solved.
Good luck guys!