SPA-300 with Sipphone

I have been working on asterisk freePBX now for two weeks. I got it today to call out to another sipphone. Thank God I see a light.

I can’t receive any calls at all. Would someone please help me before I go insane?

Reference Trunk setting

allow=ulaw
authname=my sipphone number
canreinvite=no
context=from-pstn
disallow=all
dtmfmode=inband
fromdomain=proxy01.sipphone.com
fromuser=my sipphone number
host=proxy01.sipphone.com
insecure=very
nat=yes
secret=my password
type=peer
user=phone

Incoming settings

allow=ulaw
context=from-pstn
disallow=all
dtmfmode=rfc2833
fromdomain=proxy01.sipphone.com
host=proxy01.sipphone.com
nat=yes
secret=My password
type=user
user=My sip phone number
username=my sip phone number

Thanks, anyone…!!!