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New Contributor

FVE-100E dropping calls

Hello Guys,


I have a issue i can't wrap my head around, i managed a fortivoice 100e sometimes user experience drop calls when connected will a caller for a few seconds or minutes, so far i upgraded the firmware to v6.0.9, change the sip ports and port forwarding on both the box and firewall. the phone share a connection with a desktop and it connected on a fortiswitch that has QOS enable for the phone. any idea about this issue.

New Contributor

I have the same problem with FortiVoice VM-1000. No solution for the moment. 


New Contributor

I have the same issue on a FVE-100E I have updated to the latest firmware 6.4.3, My client is using analog lines where I use a Grandstream 4108 as the gateway.  Inbound calls work fine, outbound calls drop after one ring.  Checked the logs they say call dropped by callee.  Started happening when I updated the firmware to use two new FON-380 phones.