Конвертация кодеков (chan_dongle и huawei E150)

При звонке с софтофона через модем я слышу отлично, а меня не слышат.

[Aug  2 10:08:24] WARNING[1118]: chan_sip.c:6316 sip_write: Asked to transmit frame type slin, while native formats is 0x4 (ulaw) read/write = 0x4 (ulaw)/0x4 (ulaw)
[Aug  2 10:08:24] WARNING[1118]: chan_sip.c:6316 sip_write: Asked to transmit frame type slin, while native formats is 0x4 (ulaw) read/write = 0x4 (ulaw)/0x4 (ulaw)
[Aug  2 10:08:24] WARNING[1118]: chan_sip.c:6316 sip_write: Asked to transmit frame type slin, while native formats is 0x4 (ulaw) read/write = 0x4 (ulaw)/0x4 (ulaw)

sip.conf

[1001]
type = friend
callerid = User One <1001>
secret = 1001
host = dynamic
canreinvite = no
dtmfmode = rfc2833
mailbox = 1001
disallow = all
allow = ulaw
transport = udp

dongle.conf

[general]
interval=15                     ; Number of seconds between trying to connect to devices
[defaults]
; now you can set here any not required device settings as template
;   sure you can overwrite in any [device] section this default values

context=default                 ; context for incoming calls
group=0                         ; calling group
rxgain=0                        ; increase the incoming volume; may be negative
txgain=0                        ; increase the outgoint volume; may be negative
autodeletesms=yes               ; auto delete incoming sms
resetdongle=yes                 ; reset dongle during initialization with ATZ command
u2diag=-1                       ; set ^U2DIAG parameter on device (0 = disable everything except modem function) ; -1 not us$
usecallingpres=yes              ; use the caller ID presentation or not
callingpres=allowed_passed_screen ; set caller ID presentation          by default use default network settings
disablesms=no                   ; disable of SMS reading from device when received
                                ;  chan_dongle has currently a bug with SMS reception. When a SMS gets in during a
                                ;  call chan_dongle might crash. Enable this option to disable sms reception.
                                ;  default = no

language=en                     ; set channel default language
smsaspdu=yes                    ; if 'yes' send SMS in PDU mode, feature implementation incomplete and we strongly recommend$
mindtmfgap=45                   ; minimal interval from end of previews DTMF from begining of next in ms
mindtmfduration=80              ; minimal DTMF tone duration in ms
mindtmfinterval=200             ; minimal interval between ends of DTMF of same digits in ms

callwaiting=auto                ; if 'yes' allow incoming calls waiting; by default use network settings
                                ; if 'no' waiting calls just ignored
disable=no                      ; OBSOLETED by initstate: if 'yes' no load this device and just ignore this section

initstate=start                 ; specified initial state of device, must be one of 'stop' 'start' 'remote'
                                ;   'remove' same as 'disable=yes'

exten=+1234567890               ; exten for start incoming calls, only in case of Subscriber Number not available!, also set$

dtmf=relax                      ; control of incoming DTMF detection, possible values:
                                ;   off    - off DTMF tones detection, voice data passed to asterisk unaltered
                                ;              use this value for gateways or if not use DTMF for AVR or inside dialplan
                                ;   inband - do DTMF tones detection
                                ;   relax  - like inband but with relaxdtmf option

; dongle required settings
[dongle0]
audio=/dev/ttyUSB1              ; tty port for audio connection;        no default value
data=/dev/ttyUSB2               ; tty port for AT commands;             no default value

; or you can omit both audio and data together and use imei=123456789012345 and/or imsi=123456789012345
;  imei and imsi must contain exactly 15 digits !
;  imei/imsi discovery is available on Linux only
imei=123456789012345
imsi=123456789012345

; if audio and data set together with imei and/or imsi audio and data has precedence
;   you can use both imei and imsi together in this case exact match by imei and imsi required

kmod-huawei-voice установил.

Что с конвертацией кодеков не так? Что исправить?