asterisk users - Sep 2007 - Big problems with TDM2400 :(

Hello Fellows!

I have a TDM2400 and I can't put it to work. Every time it receive a call
the Asterisk handle it and call the SIP phone; when people pick up the fone
they don't hear nothing and the caller hear the phone rings and nothing
happens. In Asterisk console I can see the message answered by the SIP's
phone.
I lost a lot of time trying to solve this problem without success :(.

     == 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'


I got the following message when a enable the usecallerid=yes:

    Sep 29 16:48:31 WARNING[12369]: chan_zap.c:5961 ss_thread: DTMFCID timed
out waiting for ring. Exiting simple switch
        -- Hungup 'Zap/21-1'
      == Starting post polarity CID detection on channel 21
        -- Starting simple switch on 'Zap/21-1'
    Sep 29 16:48:35 WARNING[12372]: chan_zap.c:5961 ss_thread: DTMFCID timed
out waiting for ring. Exiting simple switch
        -- Hungup 'Zap/21-1'



I've tested with the Zaptel 1.2/ Asterisk 1.2 and Zaptel 1.4.5.1/Asterisk
1.4.11 and got the same problem.
Debian Etch amd64.

Thanks for any help!

Regards,

McCoy Silva
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