Problem with session on fortigate

[avicoma_d]

I have a problem with freezing sessions between fortigate and cisco voice gateway. Do not pass calls from cisco phones. After end session to voice gateway calls pass How to solve this problem?

[Dai]

What happens if you set the timeout value short? https://help.fortinet.com...system/session-ttl.htm The following settings may also help you. #session helpers https://help.fortinet.com...rs/session_helpers.htm