Mutiple inbound calls

hello, i have freepbx version 2.8.0.2 asterisk version 1.4.31

here is my sip config

disallow=all
allow=ulaw
canreinvite=no
context=from-pstn
dtmfmode=rfc2833
fromdomain=sip.aretta.net
host=sip.aretta.net
insecure=port,invite
nat=no
qualify=no
rfc2833compensate=yes
secret=dmhfdfntbubnadfqz
sendrpid=yes
trustrpid=yes
type=peer
username=3798446498

disallow=all
allow=ulaw
canreinvite=no
context=from-pstn
dtmfmode=rfc2833
host=sip.aretta.net
insecure=port,invite
nat=no
qualify=no
rfc2833compensate=yes
trustrpid=yes
type=peer

basically i have it set up that i call the server it goes to ivr and the ivr sends it somewhere but when i call using two phones, if i push a button on one phone it will push the button for both. For example if phone 1 presses 5 for option 5, both phone 1 and phone 2 will go to option 5, how would i fix this?

I hope that the password in the post is a fake one, if not, I STRONGLY suggest that you change it at once!

its not the same as the one im using… so anyway to fix this?

anybody have any ideas?

To little details, are the phones registered to two different extensions?

yes one is a phone on xlite another is my cellphone, could it possibly be an internet bandwidth issue?