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Ideal Network Setup

Last Updated: Nov 02, 2016 05:04AM EDT
What is the ideal network setup for using VoIP?
This is one of the most frequently asked questions we receive and for good reason! VoIP quality is highly dependent upon the setup of your Local Area Network and Internet Service Provider.

The ideal network setup in its most basic form goes like this:
  • Internet Service Provider > Modem > Router > Switch > IP Phone
  • We recommend having a dedicated device for each function. Combo Modem/Router devices such as those deployed by Cable Internet Service Providers are strongly discouraged as they will cause a variety of issues with your network quality. If replacing such a device is not an option, it may be possible to set the combo unit to bridge mode and connect it to a dedicated router.
  • If possible, it is advisable implement Quality of Service settings that prioritize VoIP traffic. You can reference recommended router guidelines here: Recommended Router Guidelines

I want to make sure my network hardware works with Sharpen. What kind of equipment should I use for VoIP?
  • We offer the option of purchasing cloud managed Cisco Meraki equipment. You can find more information at
  • Please reference our LAN Recommendations support page if you wish to use your own equipment. The following link will direct you to our support page.   LAN Recommendations

How Much Bandwidth do I need?
  • Not much! However you will want to make sure you have enough bandwidth to include other internet devices such as computers, tablets, smartphones, etc. You can calculate the general amount of bandwidth VoIP will need from the equation below.
  • VoIP Bandwidth required (in mbps/megabits per second) = [90 x (.6 x # of users)] / 1,024 ]

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