asterisk users - Nov 2005 - "check for res for"

Hi,

When I try to make an outbound call via SIP I get the following logging
in the asterisk commandwindow:
Check for res for
 is not a local user
 is not a local user
Exactly that, needless to say the call-out fails. What could be the cause?

My sip.conf:
[general]
port = 5060                     ; Port to bind to
bindaddr = 0.0.0.0              ; Address to bind to
context = sip                   ; Default for incoming calls
srvlookup=yes                   ; Enable SRV lookups on outbound calls
dtmfmode=inband
allow=all                       ; Allow all codecs
nat=yes

[1000]
type=friend
host=dynamic
defaultip=192.168.62.100
dtmfmode=rfc2833
mailbox=0000
context=dialoutcont
callerid="Folkert van Heusden" <folkert@keetweej.vanheusden.com>

My extensions.conf:
[dialoutcont]
exten => _0XXXXXXXXX.,1,Dial(ZAP/1/${EXTEN})


Folkert van Heusden

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Hi,
I have a problem with Sipura and Asterisk 1.2... everything was working
smoothly with 1.0.9 until I upgraded to 1.2.
The DTMF tones are no longer working, I cannot access Voicemail or send DTMF
digits anywhere.

What changed in version 1.2??

I've read many people with the same issue but with different phones, has
anyone figure out what's wrong??

Oswald