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,...
This article describes Post Dial Delay (PDD), which in the client’s language is a long delay before a ring tone, a call taking too...
In this article, I will show how to use PCAP to solve one particular problem that occurs between the system owner and provider. One...