[Asterisk-Users] Native Bridging drops call on release

[Robert Goodyear]

Has anyone experienced a dropped call when bridging? I get an "OK, 
ready to transfer" from both channels, but when asterisk releases the 
call, it is dropped immediately by the upstream provider. I've tested 
against another provider and it works fine, and it also works fine 
across two different providers, including TO and FROM the one that's 
acting buggy.

Here's a diagram of the my QA testing, where A and B are two IAX2 VoIP 
service providers:

A > A = OK
A > B = OK
B > A = OK
B > B = FAIL
I want to rule out anything on my end first, in case the bug is being 
exposed by something sloppy I've done. Here's the log:

    -- Accepting AUTHENTICATED call from nnn.nnn.nnn.nnn:
       > requested format = ulaw,
       > requested prefs = (),
       > actual format = ulaw,
       > host prefs = (ulaw|alaw),
       > priority = mine
    -- Executing Goto("IAX2/[EMAIL PROTECTED]/5", 
"inbound-fax|s|1") in new stack
    -- Goto (inbound-fax,s,1)
    -- Executing Ringing("IAX2/[EMAIL PROTECTED]/5", "") in new 
stack
    -- Executing Wait("IAX2/[EMAIL PROTECTED]/5", "2") in new stack
    -- Executing Answer("IAX2/[EMAIL PROTECTED]/5", "") in new stack
    -- Executing Dial("IAX2/[EMAIL PROTECTED]/5", 
"IAX2/[EMAIL PROTECTED]/1202xxxxxxx") in new stack
    -- Called [EMAIL PROTECTED]/1202xxxxxxx
    -- Call accepted by nnn.nnn.nnn.nnn (format ulaw)
    -- Format for call is ulaw
    -- IAX2/PROVIDER-B/6 answered IAX2/[EMAIL PROTECTED]/5
    -- Attempting native bridge of IAX2/[EMAIL PROTECTED]/5 and 
IAX2/PROVIDER-B/6
    -- Channel 'IAX2/PROVIDER-B/6' ready to transfer
    -- Channel 'IAX2/[EMAIL PROTECTED]/5' ready to transfer
    -- Releasing IAX2/[EMAIL PROTECTED]/5 and IAX2/PROVIDER-B/6
    -- Hungup 'IAX2/PROVIDER-B/6'
  == Spawn extension (inbound-fax, s, 4) exited non-zero on 
'IAX2/[EMAIL PROTECTED]/5'
    -- Hungup 'IAX2/[EMAIL PROTECTED]/5'


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