Club Telco settings in Elastix

Under trunks configure the following:

Outbound Caller ID: This is your national dial in number

PEER Details:

type=friend
disallow=all
allow=alaw
host=sip.clubtelco.com
username=09xxxxxx
fromuser=09xxxxxx
authuser=09xxxxxx
secret=Password
port=5060
maxexpirey=240
defaultexpirey=240
outboundproxy=sip.clubtelco.com
fromdomain=sip.clubtelco.com
context=from-trunk
qualify=yes
insecure=invite
canreinvite=no

Register String:

09XXXXXX:Password@sip.clubtelco.com/09XXXXXX

Note: I didn't have to enter anything under the user details section. Elastix version is 1.6-12 and freepbx is 2.7.0.6 each version might need different information.