If you need to get audio from a SIP and RTP packets dump stored in spooldir by voipmonitor sniffer,
== Use sniffer binary and GUI's codecs binary to generate the audio file ==
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## MYSQL query to detect cdrs you want to download audio from
## Where the script will do the audio
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{{DISPLAYTITLE:Audio Analysis: Silence & Clipping Detection}}
...gnose audio quality issues not caused by network problems, such as one-way audio, muted microphones, or faulty hardware.'''
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{{DISPLAYTITLE:Downloading PCAP and Audio Files via API}}
...ve overview of how to programmatically download packet captures (PCAP) and audio recordings (WAV/OGG) from VoIPmonitor using its command-line API. It covers
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...records SIP and RTP streams, storing both packet captures (PCAP files) and audio recordings (WAV/OGG files). This data can be accessed programmatically thro
A --> C[Audio Recording]
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...ividual call PCAP files from VoIPmonitor's TAR archives and for generating audio files directly from a PCAP. These procedures are useful for offline analysi
== Part 2: How to Generate an Audio File from PCAP ==
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== PCAP to Audio Conversion ==
Extract audio from a PCAP file without database:
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Download multiple audio recordings via CSV upload.
| Lead Number || Record identifier (exported with audio/PCAP)
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...included with the VoIPmonitor GUI that demonstrates how to stream and play audio from a call that is currently in progress. It is intended to be used as a s
...sor's '''manager API''' (default port 5029). It authenticates and requests audio chunks for a specific, active call using two key identifiers:
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== Transferred Calls: Preserving Audio ==
..., BYE may terminate the original leg while transfer continues. To preserve audio:
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| Model-Based || Interpolate missing audio using speech models (best quality)
...ates '''parametric MOS''' from network metrics (packet loss, PDV), not the audio signal. It simulates jitter buffer performance:
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| '''ON''' || Save full RTP audio payload
...|| Save only RTP headers - captures quality metrics (MOS, jitter) without audio (up to 90% storage reduction)
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=== With Audio Replay ===
* How do I decrypt DTLS-SRTP for audio replay?
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! style="width:25%; background:#ffe6e6;" | Audio & Files
;Why do recordings mix audio from different calls?
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...), iLBC, Speex, GSM (Full Rate), Skype's Silk, iSAC, and MP4A-LATM (MPEG-4 Audio in LATM format).
...ng you can analyze call quality across narrowband, wideband, and full-band audio.
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== Garbled Audio ==
Garbled/distorted audio usually means SRTP is encrypted but not decrypted—'''not''' a codec issue.
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| RTP audio || <code>maxpoolrtpsize</code> || <code>maxpoolrtpdays</code>
| Converted audio (WAV/OGG) || <code>maxpoolaudiosize</code> || <code>maxpoolaudiodays</code>
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* '''[[Download_of_pcap_files_/_audio_files_using_GUI's_api]]''' ★ - PCAP/audio download via API
* '''[[ChunkPlayer]]''' ★ - Live audio streaming integration
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* [[Silence_detection|'''Silence Detection''']] - Audio analysis
* [[Download_of_pcap_files_/_audio_files_using_GUI's_api|'''PCAP/Audio Download''']] - File API
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*'''Batch download audio:''' Download audio for displayed CDRs (limit: 100 records)
* [[Silence_detection]] - Audio analysis
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