5330 - SIP Outgoing call

[ntanghe]

Hi,

I have a Mitel 5330 phone for a personal use.
I use this phone for SIP calls (with a SIP OVH account).
Everything worked fine since a long time.

For some days it is impossible to make a call (but I can receive calls)

Before my problem, when I made a call, I saw first "trying..." on the mitel screen.
Now, "trying..." doesn't appear anymore.

Any help is welcome.
Is it possible to see some logs with the web interface or in telnet ?

Thank you !
Nicolas

[ntanghe]

In fact, there are also problems when I receive call.
The phone is ringing but I can not hear my correspondent (and vice-versa)