I had an interesting experience at a recent meeting with a local government agency. The subject of purchasing Internet and advanced communication services came up and the customer mentioned that of course they wanted to go with a tier-one carrier. This got me thinking as to the technical definition of a tier-one carrier and the often confusing public perceptions of its meaning.
Cisco Switch Power Deny Issue with Polycom Phones
We ran into a rather bizarre problem a while back with a VoIP installation. The installation consisted of a cisco 3560 48-port PoE switch feeding 35 Polycom phones. Most of the phones powered up fine but a few wouldn’t boot. When a working phone was unplugged, another previously-dead phone would come to life, but the one just unplugged would then remain dead when reconnected. Checking the power…
[Read More]