$$$$$$$$$$$$$$$$$$$$

[IVR-SEMINARIUM]
exten => s,1,Answer
exten => s,2,DigitTimeout,5
exten => s,3,ResponseTimeout,3
exten => s,4,Background(seminarium-ivr)

exten => i,1,Playback(incorrecto) 
exten => i,2,Goto(s,4)

exten => t,1,Dial(${OPERADORA},,t)
exten => t,2,Hangup()

exten => 1,1,Answer()
exten => 1,2,AGI(pullventas.agi)
exten => 1,3,Dial(${BEA},14,t)
exten => 1,n,Voicemail(211)
exten => 1,5,Hangup()

exten => 201,1,Dial(SIP/${EXTEN},,t)
exten => 201,n,Hangup()

exten => _2[1-3]X,1,Dial(SIP/${EXTEN},14,t)
exten => _2[1-3]X,n,Dial(${OPERADORA})
exten => _2[1-3]X,n,Hangup()

exten => _2[4-9]X,1,Dial(IAX2/${EXTEN},14,t)
exten => _2[4-9]X,n,MailboxExists(${EXTEN}@default)
exten => _2[4-9]X,n,Dial(${OPERADORA},,t)
exten => _2[4-9]X,103,Voicemail(${EXTEN})
exten => _2[4-9]X,n,Hangup()

 Executing Dial("Zap/1-1", "IAX2/276|14|t") in new stack
    -- Called 276
    -- Call accepted by 192.168.8.56 (format gsm)
    -- Format for call is gsm
    -- IAX2/276-36 is ringing
    -- Zap/4-1 answered SIP/202-ae43
    -- Registered IAX2 '277' (AUTHENTICATED) at 201.230.120.46:10033
    -- Accepting AUTHENTICATED call from 201.230.47.19:
       > requested format = gsm,
       > requested prefs = (),
       > actual format = alaw,
       > host prefs = (alaw|ulaw|gsm),
       > priority = mine
    -- Executing Pickup("IAX2/201.230.47.19:13250-25", "276") in new stack
    -- Hungup 'IAX2/201.230.47.19:13250-25<MASQ>'
    -- IAX2/201.230.47.19:13250-25 answered Zap/1-1
    -- Registered IAX2 '277' (AUTHENTICATED) at 192.168.8.66:5060
    -- Channel 0/5, span 1 got hangup request
    -- Hungup 'IAX2/246-34'
  == Spawn extension (INTERNACIONAL, 246, 1) exited non-zero on 'Zap/5-1'
    -- Hungup 'Zap/5-1'
    -- Registered IAX2 '284' (AUTHENTICATED) at 200.89.25.226:4569
    -- Channel 0/1, span 1 got hangup request
    -- Hungup 'IAX2/201.230.47.19:13250-25'

##########
exten => _61072[4-9]X,1,GotoIf($[${EXTEN:5} = 72]?2:3)
exten => _61072[4-9]X,n,Goto(IVR-SEMINARIUM,s,1)
exten => _61072[4-9]X,n,Dial(IAX2/${EXTEN:4},20,tT)
exten => _61072[4-9]X,n,Voicemail(${EXTEN:4})
exten => _61072[4-9]X,n,Hangup()

 Accepting call from '15647702' to '6107276' on channel 0/2, span 1
    -- Executing GotoIf("Zap/2-1", "0?2:3") in new stack
    -- Goto (SIP-LAB,6107276,3)
    -- Executing Dial("Zap/2-1", "IAX2/276|20|tT") in new stack
    -- Called 276
    -- Call accepted by 192.168.8.56 (format gsm)
    -- Format for call is gsm
    -- IAX2/276-13 is ringing
    -- Accepting AUTHENTICATED call from 201.230.47.19:
       > requested format = gsm,
       > requested prefs = (),
       > actual format = alaw,
       > host prefs = (alaw|ulaw|gsm),
       > priority = mine
    -- Executing Pickup("IAX2/201.230.47.19:13250-36", "276") in new stack
  == Spawn extension (CELLNACIONAL, *6276, 1) exited non-zero on 'IAX2/201.230.47.19:13250-36'
    -- Hungup 'IAX2/201.230.47.19:13250-36'
    -- Registered IAX2 '284' (AUTHENTICATED) at 200.89.25.226:4569
    -- Accepting AUTHENTICATED call from 201.230.47.19:
       > requested format = gsm,
       > requested prefs = (),
       > actual format = alaw,
       > host prefs = (alaw|ulaw|gsm),
       > priority = mine
    -- Executing Pickup("IAX2/201.230.47.19:13250-2", "276") in new stack
  == Spawn extension (CELLNACIONAL, *6276, 1) exited non-zero on 'IAX2/201.230.47.19:13250-2'
    -- Hungup 'IAX2/201.230.47.19:13250-2'
    -- Nobody picked up in 20000 ms
    -- Hungup 'IAX2/276-13'
    -- Executing VoiceMail("Zap/2-1", "276") in new stack