[Asterisk-Users] Not able to call with phonzo

[Thor Atle Rustad]

I subscribed to a service based in Norway called phonzo.com. They use
a branded X-pro client. I have a username and password, which I
successfully used to register using my existing X-Pro. I can call and
receive calls. I have also successfully tested their service using
Sipura.

When using the same credentials in Asterisk, I can receive calls.
However, when trying to call out, I hear a female voice saying "This
account number is not valid".

In their forum there is a customer asking about asterisk, and they say
they don't support (or don't want!) asterisk. Can a provider weed out
certain clients based on the type of information the client provides?
How can I make their system believe I am connecting with X-pro?

extensions.conf:
[phonzo]
type=friend
username=478539xxxxx
secret=secret
qualify=yes
host=sip.phonzo.com
realm=phonzo.com
fromuser=478539xxxxx
fromdomain=phonzo.com
nat=no
disallow=all
allow=ulaw
allow=alaw
canreinvite=no
insecure=very
dtmfmode=inband


sip.conf:
register => 478539xxxx:secret at sip.phonzo.com/88

Thor