Hello, we have an ongoing problem with our Fortivoice. Without any known
change in our network, FVC stopped sending a sip registration packets to
our provider, the only packet that is sending is SIP OPTIONS - request.
Since I have very little experie...
Solved the problem. Issue was in a firewall, shich held an onld session
which caused inconsistency in routing. Clearing firewall's session table
solved this issue.