Bonjour, c'est vraiement mes premires pas, conais rien, voivci la reponse:

Name/username Host Dyn Forcerpor t ACL Port Status
ovhtrunk1/00331XXXXXXXX 91.121.129.20 5 060 OK (4 ms)
1 sip peers [Monitored: 1 online, 0 offline Unmonitored: 0 online, 0 offline]

Connected to Asterisk 1.8.7.1 currently running on ks3096814 (pid = 30588)
ks39814*CLI> sip show registry
Host dnsmgr Username Refresh State Reg.Time
0 SIP registrations.

Voila !