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Does anyone out there actually get a network analysis done prior to installs?The company I work for has not done one yet. After the installs we are usually working on little issues for what seems like weeks. If anyone has been doing the network analysis has it been helpfull in any way?
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AT the end of the day a VoIP solution is going to be about as good as the network that it is built on, so doing some level of network assessment is a core requirement. Seldom to we see a client who has a solid network documentation package (switch and router configurations; firewall specifics; bandwidth analysis; protocol analysis and most importantly an "acceptable use policy"). More often than not, you will need to create this stuff because they do not have it. If we are talking about a single site location, the issue is going to be ethernet switch capability: VLAN enabled? (You really cant do QOS on a LAN without VLANS as you need the COS byte); hubs hanging all over the place? How is DHCP services supported on the network? When you get into a multi-site environment, you go vertical. You need to check out some tool sets from Solarwinds, BigBrother, Jumpbox and get yourself a basic tool box. Clients take the postion that if you sold me this VoIP system, then you are representing it will work on our network! Make it work!
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