Web Interface for SIP Trace is a handy PHP Web Interface that lets you connect to a remote host or port and listen to or filter SIP traffic. It’s really useful for tech support teams to debug SIP transactions in a friendly way. This tool helps you capture SIP messages from things like a SIP Proxy or Gateway, so you can see live messages about specific calls, all filtered by the From SIP user.
This process involves three pieces of software, two of which we created:
Ngrep is developed by Jordan Ritter and it’s pretty cool! You can check it out at ngrep.sourceforge.net. It takes many features from GNU grep and applies them to the network layer. With ngrep, you can specify regular or hexadecimal expressions to match data in packets. It works with TCP, UDP, and ICMP across various interfaces like Ethernet and PPP. Plus, it understands bpf filter logic just like other packet sniffing tools.
Siptraced, made by Devel-IT (check it out at devel.it), is a Perl daemon that reads logs from ngrep and pushes each line onto a TCP port. This means everyone connected on that port will hear all the captured traffic—though keep in mind this can be risky and might waste bandwidth! As of now, there isn’t any user or IP authentication.
WIST, also from Devel-IT (devel.it), is another PHP Web Interface that lets you connect to a remote host/port. With WIST, you can listen to or filter specific SIP dialogues based on the From number without having to sift through all the captured traffic from siptraced. The output is colorized for ease of use, with “Call-ID” tags highlighted so they’re easy to spot.
You can run WIST on any host with a PHP web server version >= 4.0.x that's allowed to connect on siptraced's remote TCP port. Just remember: there are no guarantees about our software; use it at your own risk! If you're unsure about something in the source code, it's best not to use it!
If you're ready to check out more about this software and maybe give it a go yourself, feel free to visit this link!
Go to the Softpas website, press the 'Downloads' button, and pick the app you want to download and install—easy and fast!
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