Troubleshooting
Stolen SIP credentials look like a real customer. Credit limits, live prepaid cut-off, and spend alerts stop fraud that Fail2Ban never sees.
What is it? Quite a common problem, when a voice call is successfully completed, but the voice packets only successfully travel in one direction,...
You dial. The phone stays silent. Your customer hangs up before the first ring. On the report that silence shows up as a lower...
In this article, I will show how to use PCAP to solve one particular problem that occurs between the system owner and provider. One...