SPA5xx Phone Lockups for BLF

Unanswered Question
Apr 12th, 2011

Running 7.4.8 on both a 504 and 525 and have found that using BLF when more than 3 users configured completly locks up the phones when the notify is sent, if 3 or less users are contained in the notify then no problem , have a sip trace if required

I have this problem too.
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markohamal Fri, 05/06/2011 - 04:47

It seems that, if NOTIFY is splited and whole UDP packet reassembling is impossible, phone hangs...

Same behavior in TCP.

adam.baird Fri, 05/13/2011 - 13:58


Did you ever get an answer to this from Cisco? Fri, 05/13/2011 - 14:03

We have this fault logged with Cisco at present, awaiting confirmation from them.


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Posted April 12, 2011 at 5:08 PM
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