asterisk users - Jan 2009 - SPA-3102 in India - Problem dialing out PTSN

Good morning,

I've been having some problems getting the SPA-3102 working properly in
India.  Specific problem is that calls from the Asterisk server out the FXS
port is failing. When trying to make calls, I'm getting this message:
[Jan 26 23:00:31] NOTICE[2136]: chan_sip.c:13774 handle_request_invite: Call
from '' to extension '66200' rejected because extension not
found.
I believe everythign is set up correctly because when I was doing tests here
in the US everything worked perfectly before sending the unit to India.  Now
that its there, I'm having some troubles.  If there's more information
that's required I'd be more than happy to provide.  Thank you!


Extensions.conf
----------------------
ignorepat => 66
exten => _66XX.,1,Dial(${PHONE7}/${EXTEN:2},30,r)
exten => _66XX.,2,Congestion

sip.conf
----------
[215] ; Linksys India Internal
type=peer
username=215
secret= [SOMETHING]
host=dynamic
context=superuser
port=5060
dtmfmode=rfc2833
callerid="India Internal" <215>
disallow=all
allow=ulaw
canreinvite=no
qualify=yes
nat=yes

[220] ; Linksys India PSTN Line
type=peer
username=220
secret=[SOMETHING]
host=dynamic
context=superuser
port=5060
dtmfmode=rfc2833
disallow=all
allow=ulaw
canreinvite=no
qualify=yes
nat=yes

Logs
-------
[Jan 26 23:00:05] NOTICE[2136]: chan_sip.c:13774 handle_request_invite: Call
from '' to extension '668002525' rejected because extension not
found.
[Jan 26 23:00:31] NOTICE[2136]: chan_sip.c:13774 handle_request_invite: Call
from '' to extension '66200' rejected because extension not
found.
localhost*CLI>
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