[Ekiga-list] Registraion Failed: Not Acceptable

[smartkenny]

Hi, all

I am using Ekiga 2.0.5 under Fedora Core 6. My problem is:

When I first create the account, with wizard or directly in accounts, it 
registered successfully. But, when I restart Ekiga, it can't register, 
with the error hint: "Registraion Failed: Not Acceptable". If I delete 
this accout, and add again, it works again. But restart Ekiga, it 
doesn't work!

Could anybody give me a help? Thank you.
Kenny