asterisk users - Sep 2007 - TDM2400 answer detection

Hello All

  I have a TDM2400 card with 4 FXO, and the the following problem: This card
answered all the calls, but for the caller, the call is ringing and I don't
hear nothing when it has picked up. Here is piece of my log:
  Thanks for any help.


 == Starting post polarity CID detection on channel 21
    -- Starting simple switch on 'Zap/21-1'
    -- Executing [s at entrada:1] Answer("Zap/21-1", "") in
new stack
    -- Executing [s at entrada:2] Dial("Zap/21-1",
"SIP/ramal01&SIP/ramal02&SIP/ramal03|30|tT|r") in new stack
    -- Called ramal01
    -- Called ramal02
    -- Called ramal03
    -- SIP/ramal03-0070e020 is ringing
    -- SIP/ramal01-006fd4f0 is ringing
    -- SIP/ramal02-00705d70 is ringing
    -- SIP/ramal01-006fd4f0 answered Zap/21-1
  == Spawn extension (entrada, s, 2) exited non-zero on 'Zap/21-1'
    -- Hungup 'Zap/21-1'


    Asterisk 1.4.11 / Zaptel 1.4.5.1


    Regards,

    McCoy Silva
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