Use Asterisk with VoiceStick VOIP

I am using voicestick, great quality, so I would rather not switch. Is anyone gotten Asterisk to work with it?

Thanks in advance

Found this info on another forum, hope it helps out

register => 1510NXXXXXX:mypassword@i2telecom.com

[i2telecom.com]
type=peer
username=1510NXXXXXX
secret=mypassword
port=5060
host=i2telecom.com
fromuser=1510NXXXXXX
fromdomain=i2telecom.com
context=from-i2telecom
outboundproxy=206.165.50.116
canreinvite=no
insecure=invite
disallow=all
allow=ulaw
dtmfmode=rfc2833
nat=yes
qualify=yes