Tag Archives: SIP

Wireshark

Wireshark VoIP Challenge

Knock off those network analysis cobwebs by downloading the file below and taking part in the Wireshark VoIP challenge. This a a short capture but a tricky one. Wireshark PCAP File MD5 Hash: 139b7dfea64ee097a4a415ba320cc5b6 The Challenge I’m currently putting together a new VoIP class and came across a nasty little Linux program that can manipulate VoIP […]

VoIP Phones

VoIP Dialing Without a PBX

At one time I had the misconception that you had to have an IP PBX to use a VoIP phone, but it’s simply not true. In this video I’ll show you how to dial another VoIP phone without routing through the PBX or SIP Proxy. Linphone: http://www.linphone.org Grandstream phones for under $50: http://www.ebay.com/sch/i.html?_from=R40&_sacat=0&_nkw=grandstream&_udhi=50