[App_rpt-users] No RX Audio on iaxRPT

[Chuck Kraly]

you need to put a capacitor in series with the discriminator audio. Then run
"radio-tune-menu" and set the levels. I believe option 2 will auto set to
get you started..
Chuck K0XM
byrg.net

On Sun, Nov 28, 2010 at 10:17 AM, Rod Schnell <n2oyj.ham at gmail.com> wrote:

> I'm sure this problem arises frequently (and I have read and tried most
> solutions in this and other places).
> SETUP: Motorola M1225 w/ flat audio in simplex mode -->> URI adapter -->>
> Asterisk (CentOS ISO from AllStarLink link)
>
> I have no RX audio on iaxRPT. I have tried different radios & different
> computers. Here's what is happening:
> 1) start asterisk and go in to the CLI at verbose level 3 or 4 (at this
> point the node appears on the AllstarLink active list)
> 2) start iaxRPT, with debug level at 2
> 3) connect to node via iaxRPT. get the following
> *     Verbosity is at least 3
>          -- Hungup 'IAX2/gui-4704'
>          -- Hungup 'Zap/pseudo-1686370267'
>          -- Accepting AUTHENTICATED call from 68.95.77.100:
>             > requested format = gsm,
>             > requested prefs = (),
>             > actual format = gsm,
>             > host prefs = (ulaw|gsm),
>             > priority = mine
>          -- Executing [27234 at radio-gui:1] Rpt("IAX2/gui-3545", "27234|X")
> in new stack
>        == Spawn extension (radio-gui, 27234, 1) exited KEEPALIVE on
> 'IAX2/gui-3545'*
> 4) click TRANSMIT on iaxRPT (or via radio), unkey. Get tone then ID over
> both radio and iaxRPT.
> 5) TX on handheld radio and do test count. NO audio heard on iaxRPT. Audio
> is heard on radio connected to URI adapter. When handheld unkeys I get the
> tone signaling end-of-transmission. (This leads me to understand that
> asterisk IS seeing the radio receive.)
> 6) with two computers running iaxRPT, when one TX the other one can hear
> it. (This leads me to believe that asterisk IS working.)
>
> So with all of the above I can only see two possibilities for things to be
> wrong, either the URI adapter has gone bad or I've not got something correct
> in the program. Any help would be greatly appreciated.
>
> usbradio.conf  --original file comments removed so I could add what I've
> tested and results
> ;
> ; Usbradio channel driver Configuration File
> ;
>
> [general]
>
> [usb]
> eeprom=0      ; added to remove error in asterisk startup
> hdwtype=0
>
> rxboost=1
>
> rxctcssrelax=1
>
> ;txctcssdefault= 100.0
> ;rxctcssfreqs= 100.0
> ;txctcssfreqs= 100.0
> ;rxctcssoverride=0
> ;rxctcssoverride=1  ;this added as test
>
> carrierfrom=dsp
>
> ctcssfrom=rxdemod  ;tried this as 'no' and i get a loop of tx/unkey, repeat
>                                ;tried this as 'usb' go no change. last try
> was rxdemod before sending email
>
> rxdemod=flat
>
> txprelim=yes
>
> txlimonly=yes
>
> txtoctype=notone
>
> txmixa=voice
>
> txmixb=no ; have tried this as voice and auxvoice but no difference found
>
> invertptt=0
>
> duplex=0
>
> rxondelay=20
>
>
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>
>
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