https://rocketreach.co/cl/companies-using-cisco-1700-series-routers_003
Companies Using Cisco 1700 Series Routers | Cisco 1700 Series Routers Companies
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https://www.cisco.com/c/en/us/td/docs/ios/12_2/12_2y/12_2yn8/feature/guide/ft_ipqos.html
Enhanced Voice and QoS for ADSL and G.SHDSL on Cisco 1700 Series, Cisco 2600 Series, Cisco 3600...
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