[asterisk-users] Answering Machine Detection

[Carlos Chavez]

	I am having a bit of a problem getting AMD to work on a new server.  On
my regular office server it works like a charm.  I am running Asterisk
1.4.13, Zaptel 1.4.5.1 on both machines.  Both servers run CentOS 5 and
I am using a SIP trunk to send out calls (the same one on both servers).

	Here is the output of a call on my office server:

    -- Attempting call on Local/0445540881644 at CC2 for 2001 at CC:1 (Retry
1)
    -- Executing [0445540881644 at CC2:1]
Set("Local/0445540881644 at CC2-c93c,2", "CIDTEMP="1" <5540881644>") in new
stack
    -- Executing [0445540881644 at CC2:2]
Dial("Local/0445540881644 at CC2-c93c,2", "SIP/protel-out/0445540881644|
25") in new stack
    -- Called protel-out/0445540881644
    -- SIP/protel-out-0934bb28 is making progress passing it to
Local/0445540881644 at CC2-c93c,2
    -- SIP/protel-out-0934bb28 answered Local/0445540881644 at CC2-c93c,2
    -- Executing [2001 at CC:1] NoOp("Local/0445540881644 at CC2-c93c,1", ""1"
<5540881644>") in new stack
    -- Executing [2001 at CC:2] AMD("Local/0445540881644 at CC2-c93c,1", "")
in new stack
    -- AMD: Local/0445540881644 at CC2-c93c,1 5540881644 (null) (Fmt: 64)
    -- AMD: initialSilence [2500] greeting [1500] afterGreetingSilence
[800] totalAnalysisTime [5000] minimumWordLength [100]
betweenWordsSilence [50] maximumNumberOfWords [5] silenceThreshold
[256] 
  == Spawn extension (CC2, 0445540881644, 2) exited non-zero on
'Local/0445540881644 at CC2-c93c,2'
    -- Executing [h at CC2:1] DeadAGI("Local/0445540881644 at CC2-c93c,2",
"agi://localhost/updateCallStatus.agi?callStatus=hangupcc2") in new
stack
    -- AGI Script
agi://localhost/updateCallStatus.agi?callStatus=hangupcc2 completed,
returning 0
    -- AMD: Word detected. iWordsCount:1
    -- AMD: Changed state to STATE_IN_SILENCE
    -- AMD: HUMAN: silenceDuration:800 afterGreetingSilence:800
    -- Executing [2001 at CC:3] GotoIf("SIP/protel-out-0934bb28", "1?7:4")
in new stack
    -- Goto (CC,2001,7)
    -- Executing [2001 at CC:7] AGI("SIP/protel-out-0934bb28",
"agi://localhost/updateCallStatus.agi?callStatus=answered") in new stack
    -- AGI Script
agi://localhost/updateCallStatus.agi?callStatus=answered completed,
returning 0
    -- Executing [2001 at CC:8] Set("SIP/protel-out-0934bb28",
"CALLERID(all)=") in new stack
    -- Executing [2001 at CC:9] MixMonitor("SIP/protel-out-0934bb28",
"1192468625.7.wav|b") in new stack
    -- Executing [2001 at CC:10] Dial("SIP/protel-out-0934bb28", "SIP/2001|
20") in new stack
    -- Called 2001
  == Begin MixMonitor Recording SIP/protel-out-0934bb28


	And here is the output on the new server:

 -- Attempting call on Local/0445540881644 at CC2 for 101 at CC:1 (Retry 1)
    -- Executing [0445540881644 at CC2:1]
Set("Local/0445540881644 at CC2-1a7e,2", "CIDTEMP="1" <5540881644>") in new
stack
    -- Executing [0445540881644 at CC2:2]
Dial("Local/0445540881644 at CC2-1a7e,2", "SIP/protel-out/0445540881644|
25") in new stack
    -- Called protel-out/0445540881644
    -- SIP/protel-out-09ce0358 is making progress passing it to
Local/0445540881644 at CC2-1a7e,2
    -- SIP/protel-out-09ce0358 answered Local/0445540881644 at CC2-1a7e,2
       > Channel Local/0445540881644 at CC2-1a7e,1 was answered.
    -- Executing [101 at CC:1] Answer("Local/0445540881644 at CC2-1a7e,1", "")
in new stack
    -- Executing [101 at CC:2] AMD("Local/0445540881644 at CC2-1a7e,1", "") in
new stack
    -- AMD: Local/0445540881644 at CC2-1a7e,1 5540881644 (null) (Fmt: 64)
    -- AMD: initialSilence [2500] greeting [1500] afterGreetingSilence
[800] totalAnalysisTime [5000] minimumWordLength [100]
betweenWordsSilence [50] maximumNumberOfWords [5] silenceThreshold
[256] 
  == Spawn extension (CC2, 0445540881644, 2) exited non-zero on
'Local/0445540881644 at CC2-1a7e,2'
    -- Executing [h at CC2:1] DeadAGI("Local/0445540881644 at CC2-1a7e,2",
"agi://localhost/updateCallStatus.agi?callStatus=hangupcc2") in new
stack
    -- AGI Script
agi://localhost/updateCallStatus.agi?callStatus=hangupcc2 completed,
returning 0
    -- AMD: HANGUP
    -- Executing [h at CC:1] DeadAGI("Local/0445540881644 at CC2-1a7e,1",
"agi://localhost/updateCallStatus.agi?callStatus=hangup") in new stack
    -- AGI Script agi://localhost/updateCallStatus.agi?callStatus=hangup
completed, returning 0
[Oct 15 12:19:55] NOTICE[5165]: pbx_spool.c:351 attempt_thread: Call
completed to Local/0445540881644 at CC2


	When the call gets to AMD it just hangs there until you hangup.  I
copied amd.conf to make sure I have the same parameters on both
machines.  I simply cannot get AMD to do anything.  The only way to get
out of AMD is to hang up the call.  I do not understand why it works on
one server but not on the other.

-- 
Telecomunicaciones Abiertas de México S.A. de C.V.
Carlos Chávez Prats
Director de Tecnología
+52-55-91169161 ext 2001
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