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sip - Playing audio file using sipp - Stack Overflow
https://stackoverflow.com/questions/20122607/playing-audio-file-using-sipp
SIPp supports the ability to send a stream of pre-recorded RTP packets via the exec play_pcap_audio directive. (See the built-in uac_pcap scenario as a model for your scenario.) The packets to be sent are stored in a file with PCAP format. The packets can be extracted from a Wireshark capture of a test call, for instance. $ sipp -sf custom_with_pcap_audio.xml …
Actions — SIPp 3.6 documentation
https://sipp.readthedocs.io/en/latest/scenarios/actions.html
PCAP play commands (specified using play_pcap_audio / play_pcap_video attributes) allow you to send a pre-recorded RTP stream using the pcap library. Choose play_pcap_audio to send the pre-recorded RTP stream using the “m=audio” SIP/SDP line port as a base for the replay. Choose play_pcap_video to send the pre-recorded RTP stream using the “m=video” SIP/SDP line port as …
SIPp
http://sipp.sourceforge.net/doc/reference.html
The "exec" action allows you to execute "internal", "external", "play_pcap_audio" or "play_pcap_video" commands. Internal commands. Internal commands (specified using int_cmd attribute) are stop_call, stop_gracefully (similar to pressing 'q'), stop_now (similar to ctrl+C). Example that stops the execution of the script on receiving a 603 response:
voip - Convert an audio file into a pcap with codec G722 ...
https://stackoverflow.com/questions/52932519/convert-an-audio-file-into-a-pcap-with-codec-g722
Steps to convert wav audio to .pcap file: Split audio to 20 ms chunks; Encode each chunk with G.722 encoder; Create RTP header for each encoded chunk; Save RTP stream to .pcap; I've never used SIPp, but if it can process encoded G.722 stream, then use ffmpeg for encoding: ffmpeg -i sample.wav -ar 16000 -acodec g722 sample.g722
[Sipp-users] Run pcap file with Loop
https://sipp-users.narkive.com/qI5fURO2/run-pcap-file-with-loop
Choose play_pcap_audio to send the pre-recorded RTP stream using the "m=audio" SIP/SDP line port as a base for the replay. Choose play_pcap_video to send the pre-recorded RTP stream using the "m=video" SIP/SDP line port as a base. The play_pcap_audio/video command has the following format: play_pcap_audio="[file_to_play]" with:
GitHub - lpradovera/sipp_dynamic_pcapp_play
https://github.com/lpradovera/sipp_dynamic_pcapp_play
Without the patch, you would need to create as many ordered DTMF PCAPs as you need in the scenario, instead of repeating the same. The patch adds a new exec action to SIPp named "play_dyn_pcap_audio", to be used as follows. < action > < exec play_dyn_pcap_audio = "pcap/dtmf_2833_4.pcap" /> </ action >.
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