[AsteriskBrasil] não consigo originar chamadas

[José Carlos Messias]

telemar(OI) diz que não recebe informação alguma veja a cli do asterisk

recebimento de ligação - ok
    -- Accepting call from '3187830800' to '7100' on channel 0/1, span 1
    -- Executing [7100 em default:1] Dial("Zap/1-1", "SIP/8888|60|rtT")
in new stack
    -- Called 8888
    -- SIP/8888-0835b778 is ringing
    -- Channel 0/1, span 1 got hangup request, cause 16
  == Spawn extension (default, 7100, 1) exited non-zero on 'Zap/1-1'
    -- Hungup 'Zap/1-1'

fazendo uma ligação e recebendo o tom de ocupado no mesmo momento
    -- Executing [987830800 em default:1] Dial("SIP/8888-082b2ef8",
"ZAP/g1/87830800|60|rtT") in new stack
    -- Requested transfer capability: 0x00 - SPEECH
    -- Called g1/87830800
    -- Zap/1-1 is proceeding passing it to SIP/8888-082b2ef8
    -- Channel 0/1, span 1 got hangup request, cause 1
    -- Hungup 'Zap/1-1'
  == Everyone is busy/congested at this time (1:0/0/1)
  == Auto fallthrough, channel 'SIP/8888-082b2ef8' status is 'CHANUNAVAIL'

pensei que estava fazendo ligação veja o ringing, mas não completa nem
passa nada para a telemar
    -- Executing [9038922182 em default:1] Dial("SIP/8888-0828a610",
"ZAP/g1/038922182|660|rtT") in new stack
    -- Requested transfer capability: 0x00 - SPEECH
    -- Called g1/038922182
    -- Zap/1-1 is proceeding passing it to SIP/8888-0828a610
    -- Zap/1-1 is ringing
    -- Channel 0/1, span 1 got hangup request, cause 31
    -- Hungup 'Zap/1-1'
  == Everyone is busy/congested at this time (1:0/0/1)
  == Auto fallthrough, channel 'SIP/8888-0828a610' status is 'CHANUNAVAIL'


extensions.conf
exten=>_9XXXXX.,1,Dial(ZAP/g1/${EXTEN:1},660,rtT)

zapata.conf
[channels]
language=en
context=default
switchtype=euroisdn
signalling=pri_cpe
rxwink=300
busydetect=yes
busycount=5
hanguponpolarityswitch=yes
pridialplan = dynamic
prilocaldialplan = local
usecallerid=yes
hidecallerid=no
callwaiting=yes
threewaycalling=yes
transfer=yes
cancallforward=yes
echocancel=yes
echocancelwhenbridged=yes
echotraining=yes
rxgain=0.0
txgain=0.0
group=1
callgroup=1
pickupgroup=1
immediate=no
callerid=3138997100
amaflags=billing
musiconhold=yes
channel => 1-10


Onde estou errando??? Preciso de ajuda!!!!

Atte,
José Carlos