[App_rpt-users] Switching from carrier access to CTCSS access - Asterisk DIAL using URI interface

Tue Oct 27 15:48:42 UTC 2015

Thanks for the reply, Jon!

I checked, and in my modules.conf file, I found the following :

Channels

noload => chanusb.so

load => chan_usbradio.so

Am I looking in the correct area?

Thanks,

Dave N

On 10/27/2015 8:31 AM, Jon Rorke wrote:
> Are you using chan_simple_usb or chan_USB _radio for the channel 
> driver? It sounds like you are using simple USB.
>
> If using chan_simple_usb then the radio must provide a hardware signal 
> to the URI on the PL input pin. I think its pin 8. So your radio must 
> provide a pl decode  line that should be connected to the PL input on 
> the URI.
>
> If thje radio can supply both a COR and a separate PL decode line then 
> connect the COR to pin 7 on the URI and pl decode to Pin 8.
>
> Then you must set up the polarity on the uri to match that of the 
> radio. If the line from the radio decodes pl, then goes low then set 
> in Simple_usb.conf  ctcss_from = USB invert.
>  If the signal goes hi when decoding the pl tone then set ctcss_from  
> = USB.
>
> Carrier_from must also be set correctly polarity. sounds like you were 
> using that so its ok.
>
> But if your radio is reprogrammed to give a combined COR/PL decode (in 
> other words the line only goes active with a signal that opens the 
> radios squelch and has the correct pl tone) then it could be connected 
> to the COR input pin 7 and leave it as is.
>
> what you need to determine if your COR/ PL line is going active with 
> the correct pl tone into the radio.
> if not then you need to configure the radio so that it does. you may 
> need to ground  hang up pin to get the pl decode to work.
> I'm not up to speed on the M120. Others may comment in more detail on 
> what you can do for the accessory pins and programming.
>
> save and restart. see if it decoding tones then.
>
> Also set RX audio to "Flat" if connected to discriminator.
>
> In simple USB there is no DSP decoding of squelch or pl tones from 
> discriminator. this mode relies on the radio to handle those jobs.
>
> If you want the r node to do all that decoding then you must change 
> the node to use Chan_usb_radio driver. then you can set up the node to 
> decode the pl tones in SW and do squelch decoding too.
>
> Jon VA3RQ
>
> On 10/27/2015 9:44 AM, Dave Newmyer wrote:
>> Thanks for replying!  Yes, jumper P551 is set to flat audio.  I am 
>> working OK using carrier access, just not able to implement CTCSS 
>> access.
>>
>> On 10/26/2015 10:29 PM, Steve Agee wrote:
>>> Did you change or check jumper P551 on the logic board of the radio 
>>> to ensure you are sending DISCRIMINATOR audio to the U.R.I. ?  If 
>>> the jumper is in the other position (speaker audio) then it won't work.
>>>
>>> N5ZUA
>>>
>>> On 10/26/2015 6:52 PM, Dave Newmyer wrote:
>>>> Hello,
>>>>
>>>> I recently updated from Asterisk ACID to Asterisk DIAL due to 
>>>> hardware (CPU) problems.  The install went well, and I am now able 
>>>> to use the Lenovo CPU that I had trouble with (Sept 7, 2015).
>>>>
>>>> I was recently informed that it would be preferable if I were to 
>>>> use CTCSS access on my node instead of  carrier access, and I have 
>>>> been attempting to do so, first by activating ctcss via dsp in the 
>>>> usbradio.conf file, then by reprogramming my Mot M120 radio for a 
>>>> channel with carrier access, or the alternate channel with ctcss 
>>>> access and adding a line from pin 8 of the radio accessory 
>>>> connector to pin 7 of the URI.
>>>>
>>>> In Radio-Tune-Menu, choice 4  Auto-Detect Rx CTCSS Level Value 
>>>> passes, but if I try performing a DTMF command like *81, I get no 
>>>> reply from the node.
>>>>
>>>> Any ideas as to what I should try next?
>>>>
>>>> Thanks,
>>>>
>>>> Dave N
>>>> N0KM
>>>>
>>>>
>>>>
>>>>
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>>
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