If I am reading your problem correctly, you are using audio channel left for audio to the microphone. If this is the case, your USB conf looks like you have NO audio configured for left channel and VOICE configured on the right channel. Either change the wiring or change the usb conf comment to allow voice on the left channel. txmixa = left channel tcmixb = right channel I may not be clearly reading your setup, but I think that may be the problem. Doug KD8B On 11/25/2010 5:48 AM, Eva Pareja wrote:
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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