Posts in category sip

30 Nov 2019

Packets Travelling Back In Time

Dev SysAdmin Perl SIP

A brief story about hunting down the issue that caused SIP packets to show out of order in a call logging system.

17 Jul 2018

sngrep: Capture and Analyse SIP Packets on the Command Line

Dev SIP

Part of my day job involves picking apart SIP packets and figuring out why things might not be happening as expected. I've only recently tried out `sngrep` as a tool to help with this and it's ace.