-- Accepting AUTHENTICATED call from xxx.xxx.xxx.xxx:
       > requested format = ulaw,
       > requested prefs = (),
       > actual format = ulaw,
       > host prefs = (ulaw|alaw|gsm),
       > priority = mine
    -- Executing Dial("IAX2/200-2", "IAX2/SP####@sipplan/1***840****|30") in new stack
    -- Called SP####@sipplan/1***840****
    -- Call accepted by xxx.xxx.xxx.xxx (format ulaw)
    -- Format for call is ulaw
    -- Hungup 'IAX2/sipplan-9'
  == Everyone is busy/congested at this time (1:0/0/1)

****************************************************************
*********************IAX.CONF***********************************
****************************************************************
[general]
bindport = 4569           ; Port to bind to (IAX is 4569)
bindaddr = 0.0.0.0    ; Address to bind to (all addresses on machine)
disallow=all
allow=ulaw
allow=alaw
allow=gsm
mailboxdetail=yes


#include iax_registrations_custom.conf
#include iax_registrations.conf
#include iax_custom.conf
#include iax_additional.conf


****************************************************************
*********************EXTENSIONS.CONF****************************
****************************************************************

[sipplan]
username=SP####
type=peer
secret=*
auth=md5
context=from-internal
host=sipplan.com

[from-internal]
;
;sipplan
exten => _1.,1,Dial(IAX2/SP5270@sipplan/${EXTEN},30)
exten => _011.,1,Dial(IAX2/SP5270@sipplan/${EXTEN},30)