We have a few dozen remote SIP phones of various models J169, J179, 9608 registering through an SBC. Everything is 8.1. We recently patched the SM and SBC after hours. Since it was after hours, we weren't too concerned with outage time or trying to juggle swapping primary/secondary SBC's, etc. All patching went fine however once completed, only 3 phones reregistered. The rest came up with a login prompt. The phones could then be logged in fine but why did they "forget" their extensions? About half of the phones are dummy SIP remote extensions with a bridged appearance of the user's "real number" so these user's aren't even necessarily aware what their dummy SIP extension is to log it back in. Any info is appreciated. We do not have any phones registered directly to SM so I'm not sure if this is specific to SBC or not.
Red Flag Submitted
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