Kwebbl

General 3

• Which IPs should I whitelist in my firewall?
• How to perform a ping or traceroute?
• How to change packetization time in a Fritzbox device?

Tools 3

• SIP ALG detector
• VoIP Connection Analyzer - Windows
• Voip Connection Analyzer - Mac/Linux

Tracing 4

• How to perform a trace from a Yealink device?
• How to open a trace (PCAP file)?
• Why do we see a sporadic 401 Unauthorized SIP response?
• How to monitor the audio quality on a Yealink device