<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 14 (filtered medium)"><title>RTCM Question</title><style><!--
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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I have seen this kind of thing between servers at the same location - without an RTCM - when something was causing some latency issues on my LAN.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> in iax.conf I found the default </span><span style='font-size:9.0pt;font-family:"Courier New"'>resyncthreshold= w</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>as 1000 ms so I reduced it.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I have since fixed the problem with the LAN, but still run </span><span style='font-size:9.0pt;font-family:"Courier New"'>resyncthreshold </span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>at 300 ms to avoid ever building up a lot of delay in the system.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>73<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Ken<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt'><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> app_rpt-users-bounces@ohnosec.org [mailto:app_rpt-users-bounces@ohnosec.org] <b>On Behalf Of </b>Alan Adamson<br><b>Sent:</b> Tuesday, June 26, 2012 7:55 AM<br><b>To:</b> app_rpt-users@ohnosec.org<br><b>Subject:</b> [App_rpt-users] RTCM Question<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p><span style='font-family:"Calibri","sans-serif"'>Anyone else noticed this? Maybe my user radio is just a fast switcher.</span><o:p></o:p></p><p><span style='font-family:"Calibri","sans-serif"'>I use and RTCM in conventional mode at my repeater to be the interface for it and Allstar. </span> <span style='font-family:"Calibri","sans-serif"'>If I don't remember to keep the PTT held for about a second after I finish talking,</span> <span style='font-family:"Calibri","sans-serif"'>as soon as I release the PTT, I get about 1 second (it's actually a smidge shorter than that) of the last few things I said on the air.</span><o:p></o:p></p><p><span style='font-family:"Calibri","sans-serif"'>I'm pretty sure this *repeat* is because of the approx 1 second delay that the RTCM instills in the system. It's about 400ms of startup delay, and about the same of system delays, so the live release of the PTT sees approx 800ms of delayed audio.</span><o:p></o:p></p><p><span style='font-family:"Calibri","sans-serif"'>If I remember to keep the PTT pressed for approx 1 second when I finish talking I don't see this. I'm using a commercial radio, so maybe I'll need to see about a programmed setting to do that for me automagically.</span><o:p></o:p></p><p><span style='font-family:"Calibri","sans-serif"'>Just wondering if others are seeing it as well or if I just have a fast switcher.</span><o:p></o:p></p><p><span style='font-family:"Calibri","sans-serif"'>Alan</span><o:p></o:p></p></div></div></body></html>