Had an incident a few times on latest version. Call in progress Ext A (to external number) Incoming call, to Ext B. Both calls drop when B picks up. 3CX Server shows call still in progress to Ext A even tho A is hung up. Vendor said they had seen "stuck" calls a few times as well. Anyone shed any light on this? Before I'm asked to pull out Wireshark etc, this happens rarely, like once every day or two. Regards, Simon.