Password is required when dialling from phone line to my pbx phone , but from sip its not!

hi ,
im trying to transfer calls in a queue to outbound cell phone >
i have the queue 666 >
and i have a sip account number 109 , from my sip account i typed 666* , and then i entered 9xxxxxxxxx
where xxxxxx is my cell phone number .

now , from sip account , when i dial the queue 666 , the call reach my mobile and it rings . ===> it mean the my work is fine :laugh:

but when i try to reach the queue 666 from my home phone line [color=#FF0000]"i mean dial from my home phone to the pbx fixed line phones "[/color] , it ask me for password ??!!!

my question is wt password it need ?? im not configuring any outbound passwords ???!!!

why it succeded from sip , but it requre password from another pstn lines ?

regards

hi ,
here is my system details

Kernel
Linux(i386)-2.6.18-238.12.1.el5

Elastix
elastix-2.2.0-14
elastix-firstboot-2.2.0-5
elastix-system-2.2.0-14
elastix-email_admin-2.2.0-9
elastix-vtigercrm-5.1.0-8
elastix-extras-2.0.4-4
elastix-asterisk-sounds-1.2.3-1
elastix-my_extension-2.2.0-5
elastix-agenda-2.2.0-5
elastix-a2billing-1.8.1-16
elastix-addons-2.2.0-4
elastix-im-2.0.4-2
elastix-pbx-2.2.0-14
elastix-security-2.2.0-7
elastix-reports-2.2.0-6
elastix-fax-2.2.0-4

RounCubeMail
RoundCubeMail-0.3.1-10

Mail
postfix-2.3.3-2.3.el5_6
cyrus-imapd-2.3.7-12.el5_7.1

IM
openfire-3.5.1-2

FreePBX
freePBX-2.8.1-7

Asterisk
asterisk-1.8.7.0-0
asterisk-perl-0.10-2
asterisk-addons-1.8.7.0-0

FAX
hylafax-4.3.10-2rhel5
iaxmodem-1.2.0-1.1

DRIVERS
dahdi-2.4.1.2-5
rhino-0.99.4-2.rc1
wanpipe-util-3.5.23-1