[arm-allstar] New HAM need help with DTMF

Doug Crompton doug at crompton.com
Mon Jul 27 15:45:23 EST 2015


Sam,

 I suppose you did run the setup routine? The ID setup is in there. You can run it again to change parameters.  node-config.sh

The tone your hear after each transmission is from your transmitter. It is a courtesy tone. 

Also make sure you don't need to turn deemphasis on in simpleusb.conf. It seems to me that radio depending on how it is wired may need it on. You will know right away because tones will either decode better or worse.
73 Doug
WA3DSP
http://www.crompton.com/hamradio


Date: Mon, 27 Jul 2015 16:17:45 -0400
From: bonsett at gmail.com
To: arm-allstar at hamvoip.org
Subject: Re: [arm-allstar] New HAM need help with DTMF

OkI got it working.  Thanks!

But now I hear a short tone after each transmission made by the other station.
What is the command to re create my call sign voice id ?  I hear wa3xyz pl88.5 which I believe is the sample.



On Mon, Jul 27, 2015 at 4:00 PM, Kenneth Grimard <n1dot1 at gmail.com> wrote:
hi david



here is the thing jim duude would have turned that off in the acid source tree

if he felt it was a problem. i would rather have a radio dtmf work then not work.



some radio WILL NOT work even if you have the level correct because of this.



ken n1dot







On 7/27/2015 7:51 PM, David McGough wrote:


Hi Ken,



I, personally, haven't encounted any cheap HT's where DTMF failed to

decode with radio relax off--at least if they'd decode at all on any

system! Almost every case I've seen where DTMF didn't decode could be

corrected by careful audio level adjustment at the channel driver end.



The problem with leaving radio relax enabled is that there will be very,

very many false decodes and the cooresponding 20ms audio chop. That gets

really annoying (to me, at least).



73, David KB4FXC









On Mon, 27 Jul 2015, Kenneth Grimard wrote:




the reason why i had asked is this. with some of the chinese

radio's the dtmf encoder has a very bad problem with excessive twist.



i know the reason why they try to eliminate the false decoding

but with it off it will cause quite a few radio's to not be able to

use the dtmf due to the bad twist between the tones.



I have wouxun that has this problem. this will also

cause problems with certain yaesu radio's too.



i tried on my desktop with it off and it gave me a real problem

with it off. a lot of my radio's the dtmf would not work until i turned it

back on and re-complied the source code.



I may have to do the same with the bbb or the rpi2 images then.

i would rather have a little of false decoding then have some of may

radio's

dtmf pad not work due to bad twist levels.



ken n1dot









On 7/27/2015 7:36 PM, David McGough wrote:


Yes, radio relax is off (not checked in the menu setup).



On Mon, 27 Jul 2015, Kenneth Grimard wrote:




Hi all



I did have a question about the rpi and bbb images.

it radio relax turned off in the source code in these images?



ken n1dot







On 7/27/2015 6:35 PM, Jon Rorke wrote:


this line should read: Also maybe set rx boost =1 (yes). if the rx

audio is too low then tones wont decode.

Jon



On 7/27/2015 2:23 PM, Jon Rorke wrote:


Check to see if the node is seeing the cor from your radio. If not

then it will not read DTMF.



Also maybe set rx boot =1 (yes). if the rx audio is too low then

tones wont decode.



On 7/27/2015 2:09 PM, Sam Bonsett wrote:


Ok I bumped it up to 650 and it works on my Baofeng but does not

work with my Yaesu FT-60. (might be low battery?)



Will set the duplex to 1



Thanks Doug!







On Mon, Jul 27, 2015 at 1:46 PM, Sam Bonsett <bonsett at gmail.com

<mailto:bonsett at gmail.com>> wrote:



      yes that works but that is how I have been connecting to

      nodes...  Actually I use this:

      rpt cmd 42197 ilink 3 42181



      What I want to do is connect to a node from my HT.



      on HT *342181 should connect me to node 42181 but it does not.



      Sam

      km4ksr







      On Mon, Jul 27, 2015 at 1:35 PM, Robert Newberry

      <N1XBM at amsat.org> wrote:



          Try this.



          Log into your box.



          Type asterisk -r

          Then once in CLI type rpt fun (your node number) *342181



          Where I put parentheses please supply your nodes number

          without parentheses.



          Tell us if that works!



          N1XBM

          Apparare Scientor

          Paratus Communicare

          Allstar Node # 27086, 41540, 41812





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