And it's not just one part of a building - but across their enterprise. otherwise, the 1220's would be going down as well. but I don't think it's a PoE / power / surge issue. These are being fed via Nortel ERS 5530 PoE switches which are on UPS's. Not that I don't mind stopping by to visit these folks - but they paid good money for a phone system that's going through 1140's like crazy. Is there any kind of recall program with Avaya to actually replace these 1140's with ones that will last more than a year once and for all? The customer's PBX is under a PASS contract. Their 1140's experiencing all sorts of issues - just plain dead, clusters of keys not working, making squealing noises when idle, etc. If 'FW Authentication Failure' is displayed on the. I've replaced just about 1140 they've had, some even 2-3x (likely replaced with refurbs) - while most of the 1220's are just fine. How to install or upgrade SIP or UNIStim firmware on Avaya CS1000 IP Phone Series. I have a customer with a number of 11 phones that we installed about 5-6 yrs ago.
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