Hi All, I'm hoping someone can help resolve a problem that we are having with new Cisco 7961 phones connected up to an Asterisk server. The phones will work happily for a while, and then after a call is hungup, won't make any further calls. If we use the Asterisk server to ping the phone, after a short pause the phone will respond, and then start to work again, until the next time the problem occurs. We're using Asterisk 1.2.11. The 7961 phones are using the 8.0.2SR1 SIP image. The phones connect to a Dell 3424P PoE switch which is connected to a Dell 5324 switch. The Polycom phones connected to the same equipment work perfectly. To date, we've tried 3 different 7961 phones, changed the Ethernet card in the Asterisk server, and tried different Ethernet switches. Any suggestions? Thanks in advance, Nat. -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.digium.com/pipermail/asterisk-users/attachments/20060915/c4cc498b/attachment.htm