Hi,  That's work fine ! What I do : factory reset & simple chack all parameters & adding the sip username and password and..... I'm disapointed but the phone works immediately.   I Think the phone was not a "new phone" but a "repackaging" with bad co...

Yes it's the good mac adress

After modification, SIP messages sent and Recv increase.   Line 1 (Ext1) is status Failed but don't understand why ?   Thanks for help.     Log extract : 0044 NOT Jun 20 10:09:36.441693 (16394:16459) voice- =====> Send [91.121.129.130]:5060 SIP MSG::...

The phone doesnt work ,thanks for help.Regards.Sam