El 27/04/2014 8:39 p. m., Sean Darcy escribió:
On 11.9.0:


  -- Accepting AUTHENTICATED call from 111.xxx.yyy.zzz:
    --        > requested format = speex,
    --        > requested prefs = (),
    --        > actual format = ulaw,
    --        > host prefs = (silk16|ulaw|gsm|g722),
    --        > priority = mine
-- Executing [8447@voip-in:1] Dial("IAX2/n4-5734", "IAX2/ncal") in new stack
    -- Called IAX2/ncal
    -- Call accepted by 68.xxx.yyy.zzz (format ulaw)
    -- Format for call is (ulaw)
    -- IAX2/ncal-1777 is ringing
    -- IAX2/ncal-1777 answered IAX2/n4-5734
    -- Channel 'IAX2/n4-5734' unable to transfer
    -- Channel 'IAX2/ncal-1777' unable to transfer
    -- Channel 'IAX2/ncal-1777' unable to transfer
    -- Hungup 'IAX2/ncal-1777'

What's the problem?

sean


There is no problem, simply asterisk is attempting a native peer-to-peer IAX2 call and it can't, so it stays in the middle bringing both signalling and media.

This links could help you:

http://doxygen.asterisk.org/trunk/Config_iax.html

;transfer=no                 ; Disable IAX2 native transfer
;transfer=mediaonly          ; When doing IAX2 native transfers, transfer only
                             ; the media stream


http://forums.asterisk.org/viewtopic.php?f=1&t=751

Post <http://forums.asterisk.org/viewtopic.php?p=2321&sid=904b6e06a9056ff214ad2a0913566791#p2321>by*dmikusa <http://forums.asterisk.org/memberlist.php?mode=viewprofile&u=21422&sid=904b6e06a9056ff214ad2a0913566791>*» Tue Jul 26, 2005 7:55 am

I'm not sure that this is an exact solution to your problem, but it may help. When Asterisk transfers an IAX to IAX call, by default, it attempts to make it a peer to peer call. So when it transfers, the Asterisk box is removed from the loop. You can changed this behavior with this parameter.

notransfer = yes | no

If an IAX phone calls another IAX phone by using a Asterisk server,
Asterisk will transfer the call to go peer to peer. If you do not
want this, turn on notransfer with a "yes". This is also settable
for peers and users.

Best regards


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