[asterisk-users] IAX2 softphones can't (won't?) use PRI trunks....

[Patrick W. Foster]

I have call center PCs that switch between an IBEAM SIP softphone and a NEBU IAX softphone (for reasons
that aren't germane here).   The SIP softphones work fine, but the IAX softphones get a fast busy unless I give
them an IAX trunk to use, instead of the PRI trunks that all the other phones are using.  I am using Asterisk 1.2.3.
svn rev 47264.

I've appended a sample call trace.   The call fails through all the configured PRI trunks to the IAX trunk with a CHANUNAVAIL error, whilst
the SIP phones are actively calling out on those same PRI trunks.   The numbers dialed are 10 digits with no prefix.  I am hopeful that
someone will recognize the issue and give me a pointer on where to look for the problem.

- Registered IAX2 '4414' (AUTHENTICATED) at 192.168.1.102:4569
    -- Accepting AUTHENTICATED call from 192.168.1.102:
       > requested format = alaw,
       > requested prefs = (),
       > actual format = ulaw,
       > host prefs = (ulaw|alaw|gsm),
       > priority = mine
    -- Executing Set("IAX2/4414-6", "EMERGENCYROUTE=YES") in new stack
    -- Executing Macro("IAX2/4414-6", "dialout-trunk|4|xxxnnnnnnn||") in new stack
    -- Executing GotoIf("IAX2/4414-6", "1?3:2") in new stack
    -- Goto (macro-dialout-trunk,s,3)
    -- Executing Macro("IAX2/4414-6", "user-callerid") in new stack
    -- Executing GotoIf("IAX2/4414-6", "0?report") in new stack
    -- Executing GotoIf("IAX2/4414-6", "0?start") in new stack
    -- Executing Set("IAX2/4414-6", "REALCALLERIDNUM=4414") in new stack
    -- Executing NoOp("IAX2/4414-6", "REALCALLERIDNUM is 4414") in new stack
    -- Executing Set("IAX2/4414-6", "AMPUSER=4414") in new stack
    -- Executing Set("IAX2/4414-6", "AMPUSERCIDNAME=User32-IAX") in new stack
    -- Executing GotoIf("IAX2/4414-6", "0?report") in new stack
    -- Executing Set("IAX2/4414-6", "CALLERID(all)=User32-IAX <4414>") in new stack
    -- Executing NoOp("IAX2/4414-6", "Using CallerID "User32-IAX" <4414>") in new stack
    -- Executing Macro("IAX2/4414-6", "record-enable|4414|OUT") in new stack
    -- Executing GotoIf("IAX2/4414-6", "0 > 0?2:4") in new stack
    -- Goto (macro-record-enable,s,4)
    -- Executing AGI("IAX2/4414-6", "recordingcheck|20070115-121440|1168881280.2233") in new stack
    -- Launched AGI Script /var/lib/asterisk/agi-bin/recordingcheck
  recordingcheck|20070115-121440|1168881280.2233: Outbound recording not enabled
    -- AGI Script recordingcheck completed, returning 0
    -- Executing NoOp("IAX2/4414-6", "No recording needed") in new stack
    -- Executing Macro("IAX2/4414-6", "outbound-callerid|4") in new stack
    -- Executing GotoIf("IAX2/4414-6", "1?start") in new stack
    -- Goto (macro-outbound-callerid,s,3)
    -- Executing NoOp("IAX2/4414-6", "REALCALLERIDNUM is 4414") in new stack
    -- Executing Set("IAX2/4414-6", "USEROUTCID=""Business Name" <xxx-nnn-nnnn>"") in new stack
    -- Executing Set("IAX2/4414-6", "EMERGENCYCID=") in new stack
    -- Executing Set("IAX2/4414-6", "TRUNKOUTCID=""Business Name" <xxx-nnn-nnnn>"") in new stack
    -- Executing GotoIf("IAX2/4414-6", "0?trunkcid") in new stack
    -- Executing GotoIf("IAX2/4414-6", "1?trunkcid") in new stack
    -- Goto (macro-outbound-callerid,s,11)
    -- Executing GotoIf("IAX2/4414-6", "0?usercid") in new stack
    -- Executing Set("IAX2/4414-6", "CALLERID(all)=""Business Name" <xxx-nnn-nnnn>"") in new stack
    -- Executing GotoIf("IAX2/4414-6", "0?report") in new stack
    -- Executing Set("IAX2/4414-6", "CALLERID(all)=""Business Name" <xxx-nnn-nnnn>"") in new stack
    -- Executing NoOp("IAX2/4414-6", "CallerID set to ""Business Name" <xxx-nnn-nnnn>"") in new stack
    -- Executing Set("IAX2/4414-6", "GROUP()=OUT_4") in new stack
    -- Executing GotoIf("IAX2/4414-6", "0?108") in new stack
    -- Executing Set("IAX2/4414-6", "DIAL_NUMBER=xxxnnnnnnn") in new stack
    -- Executing Set("IAX2/4414-6", "DIAL_TRUNK=4") in new stack
    -- Executing AGI("IAX2/4414-6", "fixlocalprefix") in new stack
    -- Launched AGI Script /var/lib/asterisk/agi-bin/fixlocalprefix
    -- AGI Script fixlocalprefix completed, returning 0
    -- Executing Set("IAX2/4414-6", "OUTNUM=xxxnnnnnnn") in new stack
    -- Executing Set("IAX2/4414-6", "custom=ZAP/g0") in new stack
    -- Executing GotoIf("IAX2/4414-6", "0?16") in new stack
    -- Executing Dial("IAX2/4414-6", "ZAP/g0/xxxnnnnnnn|120|r") in new stack
  == Everyone is busy/congested at this time (1:0/0/1)
    -- Executing Goto("IAX2/4414-6", "s-CHANUNAVAIL|1") in new stack
    -- Goto (macro-dialout-trunk,s-CHANUNAVAIL,1)
    -- Executing NoOp("IAX2/4414-6", "Dial failed due to CHANUNAVAIL") in new stack
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