Turn a failed call log into the next useful checks.
Paste or open a text log. The rules run in your browser, match only known failure signatures, and never put the log in the URL.
private input
runs locallyCall, SIP, RTP, ARI, or media log
Browser-only tool. No upload request is made by this page. Still redact credentials, caller numbers, names, and transcript content before pasting.
Waiting for a log
Use a sample or paste a relevant error window.
boundaries
A signature match is a lead, not proof
The tool recognizes common response codes and log phrases. It cannot inspect packets, carrier dashboards, firewall rules, or the actual audio path.
Capture next
SIP ladder, SDP offer and answer, RTP packet direction, call ID, timestamps, carrier route, and the first upstream error.
Measure after the fix
Run one controlled call, then record end-of-speech, transcript, first token, first audio, and first playable audio.
Open the latency benchmark lab →