Hello All, I'm using an Avaya 4620SW with Asterisk, the phone when hooked up to the network, works for sometime, (I have not actually monitored the time) maybe 20-30 minutes, after which the phone will still have a dial tone, but can't dial out or recieve calls. I scanned thru the logs and found this: Got SIP response 400 "Invalid Subscription-State" back from 192.168.202.200(192.168.202.200is the static IP assigned to the Avaya device). Thanks -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.digium.com/pipermail/asterisk-users/attachments/20051128/140f2151/attachment.htm