H323. Звонок проходит. Тишина в обе стороны.

sip.conf

[general]
transport=udp
language=ru
allowguest=no
externrefresh=60
directmedia=no
qualify=yes



[office-phone](!)
type=friend
nat=no
host=dynamic
dtfmmode=rfc2833
disallow=all
allow=alaw
qualifyfreq=30
context=office-phones
callcounter=yes
callwaiting=no
secret=SECRET

[805](office-phone)

extensions.conf

[office-phones]

exten=>_X.,1,NoOp()
    same=>n,Dial(OOH323/${EXTEN}@some_peer,30,rT)
    same=>n,Hangup

[from-some-peer]
exten=>_X.,1,NoOp()
    same=>n,Dial(SIP/805,30,t)
    same=>n,Hangup

ooh323.conf

[general]

bindaddr=192.168.1.248
gatekeeper=DISABLE
faststart=yes
h245tunneling=no
context=internal
disallow=all
allow=alaw
dtmfmode=rfc2833


[some_peer]
type=peer
context=from-some-peer
ip=X.X.X.X
port=1720
dtmfmode=rfc2833
disallow=all
allow=alaw
canreinvite=no

*CLI>

  == Using SIP RTP CoS mark 5
    -- Executing [1903@office-phones:1] NoOp("SIP/805-00000003", "") in new stack
    -- Executing [1903@office-phones:2] Dial("SIP/805-00000003", "OOH323/1903@some_peer,30,rT") in new stack
    -- Called OOH323/1903@some_peer
    -- OOH323/some_peer-3 is ringing
    -- OOH323/some_peer-3 answered SIP/805-00000003
       > 0x7f7f4c01d030 -- Probation passed - setting RTP source address to 192.168.1.138:24504
  == Spawn extension (office-phones, 1903, 2) exited non-zero on 'SIP/805-00000003'

Видно, что звонок прошел, там автоответчик снимает трубку. Нет голоса ни у меня, ни на удаленной стороне.

Смущает ещё вот что

*CLI> core show channeltypes
Type        Description                              Devicestate  Indications  Transfer    
----------  -----------                              -----------  -----------  --------    
OOH323      Objective Systems H323 Channel Driver    no           yes          no

Для SIP везде стоит yes