What are the best sound quality headsets (monaural wired, USB, monaural wireless, USB, monaural wireless, Bluetooth)? I've tried some that sound ok, and some that sound just horrible. And some Bluetooth Plantronics devices are not even seen by the So...

One of our customers wants our location in their plant in a "quarantined" network. I have a Cisco 1721 with a 4WIC-ESW card.I need to make a p2p vpn between it through their internet connection/PIX, and our onsite PIX. Cisco & our reseller claims it ...

I need to set up Site to Site VPN's between our central PIX 515E & 3-4 remote sites. What kind of hardware is necessary to get by at the remote sites to get them connected? Is a router like the 1721 or 2xxx series with the firewall feature set suffic...

I've been told that the WIC 4ESW (4 port 10/100) card will not work in a 1720, but will in a 1721. Is this actually true, or is there an IOS upgrade that will make the 1720 work with this module?

What port/ports are used by the Call Manager Attendant Console?