I am trying to evaluate a pure sip solution.
I have 2 sip software clients that are working against an Asterisk server.
When i add qualify=yes in sip.conf the server monitors the client and then i noticed that one client becomes UNRECHABLE.
Meaning the client ip have changed and from that point on the other client could not dial him.
Of course that when the client reregisters all if fine and his STATUS becomes OK and not UNRECHABLE.
What is the cause of this problem ?
How can i fix it ?