asterisk users - Nov 2004 - Problem with a new italian service provider...

I've a problem connecting uniVoice (http://voice.uni.it)  from asterisk.
Using my account data I can place a call smoothly using xlite or my 
budgetone phone directly, but I'm not able to use uniVoice as a peer 
from asterisk.
Registration seems to work correctly, but when I try do dial, the sip 
authentication fails every time.
Their tech people told me that they are unable to make asterisk working 
properly due to some asterisk authentication features lacks.
The problem persists using chan_sip2 too.

So, the question is:
how can I help investigating the problem to obtain some good bugs report 
for digium ??

maxx

We got the same problems in connecting to uni.it .

the problems were solved (under indications of Mr. Cardone, from Unidata) by
using the ip address of the machine as the SIP account, and by using two
different IP addresses, on the asterisk server: one for outgoing calls and
one for incoming ones.

-----Original Message-----

Message: 1
Date: Tue, 30 Nov 2004 18:32:55 +0100
From: Massimo De Nadal <maxx@digital-system.it>
Subject: [Asterisk-Users] Problem with a new italian service
	provider...
To: Asterisk Users Mailing List - Non-Commercial Discussion
	<asterisk-users@lists.digium.com>
Message-ID: <41ACAEC7.4070306@digital-system.it>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

I've a problem connecting uniVoice (http://voice.uni.it)  from asterisk.
Using my account data I can place a call smoothly using xlite or my 
budgetone phone directly, but I'm not able to use uniVoice as a peer 
from asterisk.
Registration seems to work correctly, but when I try do dial, the sip 
authentication fails every time.
Their tech people told me that they are unable to make asterisk working 
properly due to some asterisk authentication features lacks.
The problem persists using chan_sip2 too.

So, the question is:
how can I help investigating the problem to obtain some good bugs report 
for digium ??

maxx