[App_rpt-users] no receive audio in sofphone or iaxRpt

Eva Pareja emparejat at gmail.com
Thu Nov 25 10:48:55 UTC 2010


Hello,

I am getting in contact with RoIP.
We are using the ACID install with DMK URI to connect a half duplex radio
without COR line. So we have connected PTT (pin1), GND (pin20) , MIC_AC(pin
21) and LEFT_AC (pin 22).
We have also installed the iaxrpt client and the voice is received in a
remote radio perfectly. But we have the problem in the way back. If you
speak from the remote radio, the voice signal arrived at the LEFT_AC of URI
but if it is not processing. Nothing is listened in the iaxrpt client.

I had tried to comments the txctssdefault,rxctcssfreqs and txctcssfreqs
because i have introduced ctcssfrom=no and also i invert the txmixa and
txmixb settings but it didn´t work.

 The usbradio.conf looks like this:

;

; Usbradio channel driver Configuration File

;

[general]

[usb]

hdwtype=0 ; Leave this set to 0 for USB sound fobs modified using

 ; the instructions from usbfob.pdf. Use a setting of

; 1 is for Dingotel/Sph interfaces.

 rxboost=0 ; 0 = 20db attenuator inserted, 1= 20db attenuator removed

 ; Set to 1 for additonal gain if using a low-level receiver output

rxctcssrelax=1 ; reduce talkoff from radios w/o CTCSS Tx HPF

 ; Do not change this, leave this as a 1

;txctcssdefault=100.0 ; default tx ctcss freq, any frequency permitted

;rxctcssfreqs=100.0 ; rx ctcss freqs in floating point. must be in table

;txctcssfreqs=100.0 ; tx ctcss freqs, any frequency permitted

;rxctcssoverride=0 ; Set to 1 or yes to start out in carrier squelch mode

carrierfrom=vox ; no,usb,usbinvert,dsp,vox

 ; no - no carrier detection at all

; usb - from the COR line on the modified USB sound fob

; usbinvert - from the inverted COR line on the modified USB sound fob

; dsp - from RX noise using dsp techniques

; vox - voice activated from RX audio

ctcssfrom=no ; no,usb,dsp

 ; no - CTCSS decoding, system will be carrier squelch

; usb - CTCSS decoding using input from USB FOB

; (currently not supported)

; dsp - CTCSS decoding using RX audio in DSP.

; rxdemod option must be set to flat for this to work.

rxdemod=speaker ; input type from radio: no,speaker,flat

 ; no - RX audio input not used

; flat - Use RX audio from discriminator (before de-emphasis)

; speaker - use de-emphasized audio

txprelim=no ; Audio processing on left output channel: no,yes

 ; no - Audio is not pre-emphasized and limited.

; Suitable for use on a microphone input

; yes - Audio is pre-emphasized and limited.

; Suitable for direct connection to an FM modulator

txlimonly=yes ; Audio limiting with no pre-emphasis on output channel:
no,yes

 ; no - Audio is not limited.

; yes - Audio is limited.

; Suitable for transmitters with no limiting but with pre-emphasis.

;txtoctype=notone ; Transmit tone control type: no,phase,notone

 ; no - CTCSS tone encoding with no hang time

; phase - encode CTCSS and reverse phase

; AKA ("reverse burst") before unkeying TX

; notone - encode CTCSS and stop sending tone before unkeying TX

; AKA ("chicken burst")

txmixa=no ; Left channel output: no,voice,tone,composite,auxvoice

 ; no - Do not output anything

; voice - output voice only

; tone - CTCSS tone only

; composite - voice and tone

; auxvoice - auxiliary voice output at headphone level for monitoring

txmixb=voice ; Right channel output: no,voice,tone,composite, auxvoice

 ; See txmixa above.

invertptt=0 ; Invert PTT 0 = ground to transmit, 1 = open to transmit

 ; This is the collector lead of the 2n4401 on the modified

; usb sound fob.

; please refer to the howto for the procedure to do this.

duplex=0 ; Half Duplex

rxondelay=20 ; Uncomment and/or adjust for simplex nodes to eliminate "Ping
Ponging"

 ; or "Relay Racing".

; A positive value here will instruct the usbradio driver to ignore the

; COR line for a specified number of 20mSec intervals following the

; release of PTT. Use this only on simplex nodes, and leave commented
; out for repeaters or other full duplex nodes.




Can anyone help me and tell me what i am doing wrong?

Thank you.
Regards,

Eva
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