asterisk users - Oct 2005 - need help-can't not register to asterisk from softphone

Dear all expert,
 (i posted this question one time, but i couldn't reach the answer
-so allow me to post here)
 1)I download asterisk realse version 1.2 beta1.
After that i compile it successfully and run it with:
asterisk -vvvc
 2)I follow the instruction in
http://www.asteriskguru.com/tutorials/asterisk_voip_ipphone.html
 in sip.conf:
i add two account:
[ivan]
type=friend
username=ivan
secret=pwd_ivan
host=dynamic
context=tutorial
 [test]
type=friend
username=test
secret=pwd_test
host=dynamic
context=tutorial
 in extension.conf
i add like below:
[tutorial]
extern=>1234,1,Dial(SIP/ivan)
extern=>4321,1,Dial(SIP/test)
 3) i use sjphone, make a new profile, in SIP Proxy tag of Profile options
windows, i use ip adress of server Fedore (where Asterisk is running) with
port 5060 for Proxy domain and User domain.
 4) I try to use sjphone to REGISTER to server Asterisk, by using: Ethereal
to see the packet.
 From
sjphone:--------------------------------------------->REGISTER------------------------------------>asterisk
 sjphone <-------ICMP Destination unreachable (Host administratively
prohibited) ----asterisk
 I am sure that from Asterisk server i can ping to client sjphone and vice.
And i can navigate internet in Asterisk server.
How can i configure Linux server now? I can't understand what it happens?
 Many thanks for your helping.
 Julien
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one more thing is that:
in my fedora core 4 where Asterisk is running, i use netstat -ta
i can't see: asterisk is listening in port 5060 (which include in sip.conf)


 On 10/8/05, julien bos <julientoasteriskuser@gmail.com>
wrote:
>
> Dear all expert,
>  (i posted this question one time, but i couldn't reach the answer
> -so allow me to post here)
>  1)I download asterisk realse version 1.2 beta1.
> After that i compile it successfully and run it with:
> asterisk -vvvc
>  2)I follow the instruction in
> http://www.asteriskguru.com/tutorials/asterisk_voip_ipphone.html
>  in sip.conf:
> i add two account:
> [ivan]
> type=friend
> username=ivan
> secret=pwd_ivan
> host=dynamic
> context=tutorial
>  [test]
> type=friend
> username=test
> secret=pwd_test
> host=dynamic
> context=tutorial
>  in extension.conf
> i add like below:
> [tutorial]
> extern=>1234,1,Dial(SIP/ivan)
> extern=>4321,1,Dial(SIP/test)
>  3) i use sjphone, make a new profile, in SIP Proxy tag of Profile options
> windows, i use ip adress of server Fedore (where Asterisk is running) with
> port 5060 for Proxy domain and User domain.
>  4) I try to use sjphone to REGISTER to server Asterisk, by using:
> Ethereal to see the packet.
>  From
>
sjphone:--------------------------------------------->REGISTER------------------------------------>asterisk
>  sjphone <-------ICMP Destination unreachable (Host administratively
> prohibited) ----asterisk
>  I am sure that from Asterisk server i can ping to client sjphone and
> vice. And i can navigate internet in Asterisk server.
> How can i configure Linux server now? I can't understand what it
happens?
>  Many thanks for your helping.
>  Julien
>
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