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Hi Sal!
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<div>Thank you for the references. [2] is exactly my issue. Following the suggestion this results in</div>
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<div>$siprec(media) = "allow-transcoding asymmetric rtpp-flags=sdp-media-remove=[video]";</div>
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<div>rtpengine.log:</div>
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<div>2026-02-18T20:29:13.287789+01:00 p01t-1 rtpengine[720]: DEBUG: [srs-i-jib4vodead5nlg8cbg7t]: [control] Dump for 'subscribe request' from 10.55.252.196:45930: { "call-id":</div>
<div>"srs-i-jib4vodead5nlg8cbg7t", "flags": [ "all", "siprec", "allow-transcoding", "asymmetric" ], "rtpp-flags": "sdp-media-remove=[video]", "received-from": [ "IP4", "0.0.0.0</div>
<div>" ], "from-tag": "1", "command": "subscribe request" }</div>
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<div>which still does not filter out the video. -> no error in rtpengine.log for an unknown parameter though.</div>
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Also tried:</div>
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<div style="margin: 0cm 0cm 0.0001pt;">sdp-media-remove-video</div>
<div style="margin: 0cm 0cm 0.0001pt;">sdp-media-remove--video</div>
<div style="margin: 0cm 0cm 0.0001pt;">sdp-media-remove=[video] -> "sdp-media-remove": "[video]"</div>
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sdp-media-remove=[video,text]</div>
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sdp-media-remove=[\“video\“] -> "sdp-media-remove": "["video"]"</div>
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all attr=value go into attr:strvalue into NG, all others go into flags list.</div>
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But maybe simply the „subscribe request“ does not support sdp-media-remove?</div>
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br</div>
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Walter</div>
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<div>Am 18.02.2026 um 19:03 schrieb Salvinder Parhar <salvinder.parhar09@gmail.com>:</div>
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<div class="gmail_default" style=""><font face="verdana, sans-serif">Hi Walter,</font></div>
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<div class="gmail_default" style=""><font face="verdana, sans-serif">I think there's a PR[1] from NormB waiting to be reviewed/merged that introduces sending flags as list to rtpengine.<br>
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In the meantime, as advised by Richard in the rtpengine google group [2], you can use the below syntax to send it:
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`rtpengine_offer("rtpp-flags=sdp-media-remove=[video]")` <br>
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[1] <a href="https://github.com/OpenSIPS/opensips/pull/3818">https://github.com/OpenSIPS/opensips/pull/3818</a><br>
[2] <a href="https://groups.google.com/g/rtpengine/c/yXDeKzLYmVw/m/k1yFRddFAQAJ">https://groups.google.com/g/rtpengine/c/yXDeKzLYmVw/m/k1yFRddFAQAJ</a> <br>
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Thanks,</font></div>
<div class="gmail_default" style=""><font face="verdana, sans-serif">Sal</font></div>
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