We have just started using voice over IP using SIP. Users complaints are:• That on occasions they experience poor sound quality.• Although they are able to hear the person at the other end of the phone clearly, the person at the other end is unable t...

I am setting up a newly acquired PIX 506E. I am tring to create a VPN link to a Netscreen 50 box. The problem I am having is that Phase 2 keeps being retransmitted. I don't have any control over the Netscreen, so I just want to make sure that everyth...