Issabel PBX calls- disconnect problem

Job ID: 36337722

Budget: $15 – $25 USD

I am having an issue with my Issabel PBX systems that
1- calls doesn't disconnect properly .
2- I have Fortinet (Fortivoice ) phones that are registered to the PBX but after 30 seconds ,the call get disconnected
Related categories: System Admin Linux Asterisk PBX Cisco VoIP