[arm-allstar] DTMF problem

Doug Crompton doug at crompton.com
Sat Aug 20 21:14:55 EST 2016


Wade,

 There would be no difference in decoding with the change from duplex to simplex assuming you are using duplex=1  for simplex. If you are using duplex=0 it would mute all telemetry.
73 Doug
WA3DSP
http://www.crompton.com/hamradio


To: arm-allstar at hamvoip.org
Date: Sat, 20 Aug 2016 19:21:38 -0500
Subject: Re: [arm-allstar] DTMF problem
From: arm-allstar at hamvoip.org
CC: wadeo at charter.net


  
    
  
  
    Everything but the letter "D" shows up. I had him run the susb tune
    and found the levels were way hot. So after some adjustment we got
    the RF DTMF to work. 

    

    Now that brought up another issue both of us have. When running the
    node(s) in simplex we have no reply to functions like *73, *81, *82,
    but we have over the air replies to *70. This is probably just
    something we don't have set correctly but I have not been able to
    find it since June and now that he has this issue I think we should
    try to resolve it. 

    

    These functions did operate correctly when my node was in duplex.

    

    Wade

    KC0MLT

    

    On 08/20/2016 05:46 PM, Doug Crompton
      via arm-allstar wrote:

    
    
      
      Wade,

          

           It is very unusual for DTMF to not show something in the
          client even if it is wrong. 

          

          asterisk -rvvv

          

          This is what you should see as you hit each tone -

          

          41139-Mobile*CLI> 

          [Aug 20 18:31:24] NOTICE[334]: chan_simpleusb.c:3042
          simpleusb_read: Got DTMF char 1

          [Aug 20 18:31:25] NOTICE[334]: chan_simpleusb.c:3042
          simpleusb_read: Got DTMF char 2

          [Aug 20 18:31:26] NOTICE[334]: chan_simpleusb.c:3042
          simpleusb_read: Got DTMF char 3

          [Aug 20 18:31:26] NOTICE[334]: chan_simpleusb.c:3042
          simpleusb_read: Got DTMF char 4

          [Aug 20 18:31:27] NOTICE[334]: chan_simpleusb.c:3042
          simpleusb_read: Got DTMF char 5

          [Aug 20 18:31:28] NOTICE[334]: chan_simpleusb.c:3042
          simpleusb_read: Got DTMF char 6

          [Aug 20 18:31:28] NOTICE[334]: chan_simpleusb.c:3042
          simpleusb_read: Got DTMF char 7

          [Aug 20 18:31:29] NOTICE[334]: chan_simpleusb.c:3042
          simpleusb_read: Got DTMF char 8

          [Aug 20 18:31:31] NOTICE[334]: chan_simpleusb.c:3042
          simpleusb_read: Got DTMF char 9

          [Aug 20 18:31:32] NOTICE[334]: chan_simpleusb.c:3042
          simpleusb_read: Got DTMF char 0

          [Aug 20 18:31:35] NOTICE[334]: chan_simpleusb.c:3042
          simpleusb_read: Got DTMF char *

          [Aug 20 18:31:36] NOTICE[334]: chan_simpleusb.c:3042
          simpleusb_read: Got DTMF char #

          [Aug 20 18:31:38] NOTICE[334]: chan_simpleusb.c:3042
          simpleusb_read: Got DTMF char A

          [Aug 20 18:31:39] NOTICE[334]: chan_simpleusb.c:3042
          simpleusb_read: Got DTMF char B

          [Aug 20 18:31:40] NOTICE[334]: chan_simpleusb.c:3042
          simpleusb_read: Got DTMF char C

          [Aug 20 18:31:42] NOTICE[334]: chan_simpleusb.c:3042
          simpleusb_read: Got DTMF char D

              -- Hungup 'DAHDI/pseudo-1082656715'

          

          This was done with a Baofeng UV5R with feedback turned off and
          it has always worked perfectly. See below.

          

          I find it very strange you are seeing nothing. Have you tried
          other radios? Levels and pre/deemphasis are prime problems.
          Levels should not be that critical in most cases though.

          

          Are you sure you have node radio RX audio to Allstar? You are
          seeing proper levels in item 2 of simpleusb-tune-menu ? 
          5-6khz peaks?  If you hit a DTMF key on the input radio can
          you hear the tone on the node radio speaker?

          

          Baofeng radios can be a problem because if you don't mute the
          tones to the speaker they are picked up both through a direct
          route and thru the mic which often causes failure to decode. 

          

          See this -

          

          https://www.kk6jyt.com/sending-accurate-baofeng-dtmf-tones-from-the-uv-5r/

          
        73 Doug

          WA3DSP

          http://www.crompton.com/hamradio

        

        

        > To: arm-allstar at hamvoip.org

          > Date: Sat, 20 Aug 2016 16:39:48 -0500

          > Subject: [arm-allstar] DTMF problem

          > From: arm-allstar at hamvoip.org

          > CC: wadeo at charter.net

          > 

          > Good afternoon all,

          > 

          > I am posting this here for a local ham friend. He just
          installing the 

          > latest version of the Pi software on his Pi2. Everything
          went ok and 

          > some small tweaks were made to work with his setup (i.e.
          - cleaning up 

          > audio, cor, stuff like that). He also set up the ALLMON2
          for his node 

          > (27451). The issue he is running into is DTMF. When he
          uses RF to access 

          > his node the DTMF does nothing. Looking at the CLI it
          shows up as last 

          > command heard, there was just no action was taken by
          asterisk. He can 

          > make and break connections with both the CLI and Allmon
          just not over 

          > the air. We have been all over it adjusting back and
          forth the pre- and 

          > de- emphasis, pl filter on & off, making sure the
          function list was not 

          > commented out for any reason..

          > 

          > We have tried all we can think of. Any other suggestions
          we could have 

          > over looked or should try?

          > 

          > Thanks

          > Wade

          > KC0MLT

          > 

          > _______________________________________________

          > 

          > arm-allstar mailing list

          > arm-allstar at hamvoip.org

          >
          http://lists.hamvoip.org/cgi-bin/mailman/listinfo/arm-allstar

          > 

          > Visit the BBB and RPi2 web page - http://hamvoip.org

          > 

        
      
      

      
      

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