A tool to insert audio into a specified audio (i.e. RTP) stream was created in the August – September 2006 timeframe. The tool is named rtpinsertsound. It was tested on a Linux Red Hat Fedora Core 4 platform (Pentium IV, 2.5 GHz), but it is expected this tool will successfully build and execute on a variety of Linux distributions.
Download Link:- https://github.com/foreni-packages/rtpinsertsound
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