you may try this for your squelch setting..
Bring up your CLI> Screen.
If you have more that one URI or RIM, you must first select a USB device.
'example' CLI>radio active usb20123 
Set your radio's squelch wide open for the next commands
CLI>radio tune rxsquelch
'you'll get the Current Signal Strength is <some number like 695>
now set the squelch setting between 100 to 150 points higher than the Current Signal Strength 795 to 845
CLI>radio tune rxsquelch 795
set you radio squelch on and check your results. next you save it
CLI> radio tune save
I'm sure there is more suggestions out there including the rxsquelchdelay=80 ; delay in ms carrier squelch tail eliminator in the usbradio.conf
I've gotten it to work with carrierfrom=dsp and ctcssfrom=dsp but it seems others report it only to work with the rxdemod= set to flat. 
It may have to update ACID. More on that can be found in the archives.
From: Jim W7RY <w7ry@centurytel.net>
To: app_rpt-users@ohnosec.org
Sent: Sunday, October 6, 2013 10:48 PM
Subject: [App_rpt-users] Squelch Burst

Spifically, when I use COR from the radio, I have a squelch crash when a user unkeys. If I use squelch=dsp, then the crash is not there. But, the squelch action of the node receiver is not the best. I would really like to use COR but dislike the squelch burst. Is there a way to delay the audio and shut it off before the squelch closes? Like in a audio delay board for a repeater controller?

Thanks for info that you could pass along.


73
Jim W7RY

_______________________________________________
App_rpt-users mailing list
App_rpt-users@ohnosec.org
http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users