gistfile1.txt

root@repeater:/etc/asterisk# cat usbradio.conf
; If you are going to use this channel driver, you MUST enable it in modules.conf
; noload => chan_usbradio.so ;                    CM1xx USB Cards with Radio Interface Channel Driver (DSP)
; to:
; load => chan_usbradio.so ;                    CM1xx USB Cards with Radio Interface Channel Driver (DSP)

; Usbradio channel driver Configuration File


[general]

[usb_<REDACTED>]

eeprom = 0                      ; EEPROM installed: 0,1
                                ; 0 = no (default)
                                ; 1 = yes

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

rxsqhyst = 3000                 ; Setting Squelch Hysteresis
                                ; 3000 is the default amount.
                                ; An amount of 500 seems good.
                                ; Then set the squelch to the highest number revealed when doing a "radio
                                ; tune rxsquelch" - running the command multiple (like 20) times in a row.
                                ; <http://allstarnode.com/wiki/lib/exe/fetch.php?media=asterisk-notes-wj8g.pdf>

txctcssdefault = 100.0          ; default TX CTCSS frequency, any frequency permitted
rxctcssfreqs = 100.0,91.5       ; RX CTCSS frequencies list in floating point. must be in table
txctcssfreqs = 100.0,91.5       ; TX CTCSS frequencies list. any frequency permitted. will follow RX CTCSS frequency
rxctcssoverride = 1             ; Set to 1 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 USB sound fob (Active high)
                                ; usbinvert - from the inverted COR line on the USB sound fob (Active low)
                                ; dsp - from RX noise using DSP techniques
                                ; vox - voice activated from RX audio
voxhangtime = 500

ctcssfrom = no                  ; no,usb,usbinvert,dsp
                                ; no - no CTCSS decoding, system will be carrier squelch
                                ; usb - from the CTCSS line on the USB sound fob (Active high)
                                ; usbinvert - from the inverted CTCSS line on the USB sound fob (Active low)
                                ; 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

rxsquelchdelay = 30             ; delayline in ms carrier squelch tail eliminator

rxondelay = 0                   ; Number of 20mSec intervals following the release of PTT.
                                ; 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.

txboost = 1                     ; Add transmitter audio gain boost: 0,1

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 = no                  ; 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 = no          ; 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 = voice          ; 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 = no                     ; Right 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

; Audio filters - requires version newer than ASL_1.01
rxlpf = 2                       ; Receiver Audio Low Pass Filter 0,1 2
                                ; 0 - 3.0 kHz cutoff (Default) value for reduced noise and increased intelligibility.
                                ; 1 - 3.3 kHz cutoff for increased high end, sibilance and brightness.
                                ; 2 - 3.5 kHz cutoff for even more high end, sibilance and brightness.
rxhpf = 1                       ; Receiver Audio High Pass Filter 0,1
                                ; 0 - 300 Hz cutoff. (Default) value to reduce sub-audible signals for retransmission and in the receiver speaker.
                                ; 1 - 250 Hz cutoff for additional received and retransmitted bass response.
                                ; recommend using this filter with a CTCSS tone no higher than 186.2 Hz.
txlpf = 1                       ; Transmitter Audio Low Pass Filter 0,1
                                ; 0 - 3.0 kHz cutoff. (Default) value.
                                ; 1 - 3.3 kHz cutoff for increased high end, sibilance and brightness.
txhpf = 1                       ; Transmitter Audio High Pass Filter 0,1,2
                                ; 0 - 300 Hz cutoff. (Default) value to reduce interference between voice and sub-audible signaling tones and codes.
                                ; 1 - 250 Hz cutoff for increased bass response in transmitted audio.
                                ; 2 - 120 Hz cutoff for special applications requiring additional bass response in transmitted audio.
                                ; Not recommended due to the increased possibility of voice energy interfering with sub-audible signaling

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

duplex = 1                      ; Duplex 0,1
                                ; 0 - half duplex
                                ; 1 - full duplex
duplex3 = 0                     ; duplex 3 gain setting (0 to disable) ???

#includeifexists custom/usbradio.conf