Can you paste the link to that other thread you're refering to ? I wish Nokia would at least take that reality of compatibility with existing systems into account (and not just their interpretation...

You probably have a far better understanding of this, however why is it that on all other SIP devices the contact URI shown/sent to the proxy is the username@NATAddress while VoIP Settings 3.x sends...

Are you saying that the Voip Settings translation of the contact URI is not a bug ?? Why would NOKIA translate it in the first place ? Why would they let it work on previous Voip Settings versions...

as per my example or Simon's example below: Support1@domain.org in the Username field of the Voip Setting 3.1 is wrongly translated by the same Voip Settings 3.1 into kmjZ3YOXb_rakfnLNRhe@domain.org...

Voip Settings 3.1 SIP Proxy registration incorrectly translates the contact URI into an unusable identifier. see Huwylersimon's last post below.

Good question... why should they fix anything that does not work as advertised on their product ? customer satisfaction maybe ?

Now, here is something else: this incoming call problem does not occur with every SIP services on the E72: I just tested with a local free DID-to-SIP Account service we have here (ippi.fr) and that...

Glad to see you both identified the issue and found a solution. This drove me nuts for some time now: I have tested with both E72 and E52 and get the same problem: no incoming calls with my...