Steps to reproduce:
1. Launch Ekiga
2. Use the wizard configuration
3. Wait or use the programm for crash it...


Stack trace:
Distribution: Ubuntu 6.06 (dapper)
Package: ekiga
Severity: blocker
Version: GNOME2.14.3 2.0.x
Gnome-Distributor: Ubuntu
Synopsis: Ekiga crasches
Bugzilla-Product: ekiga
Bugzilla-Component: general
Bugzilla-Version: 2.0.x
Description:
Description of Problem:
Ekiga often crashes when I use the configuration wizard (at the nat and
sound detection)
It can crash too at another moment but it's not undefined...
Sometime the crash can block all the system (ctrl+alt+backspace or suppr
do not effetc !)

How often does this happen?
Not at each time, but very often

Other information:
Additional Information:
Using Ubuntu Dapper Drake 2.6.15-26-686 (sound with alsa)
I use the Ekiga's Deb provided by Ubuntu