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CSCuq30002 - Sometimes receive call notifications too late

andreas.habian
Level 1
Level 1

‎10-24-2018 07:50 AM

I see the same behavior on iOS 11+ with CUCM 11.5 SU3 only on iPhones after they went to stand-by for a while. iPad with iOS 12.0.1 works fine so far. Is there any idea how to fix this? Was there a change to the app concerning APNS? Could an update to 11.5 SU5 fix it?

regards

Andreas

3 people had this problem
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4 Replies 4

Bernhard Albler
Spotlight
Spotlight

‎10-31-2018 12:18 AM

Hi Andreas,

this is actually a bug in IOS: http://www.openradar.me/42496606

0 Helpful

andreas.habian
Level 1
Level 1
In response to Bernhard Albler

‎10-31-2018 08:44 AM

Hi Bernhard,

the described iOS bug references to iOS 12 Beta 4. Since I reproduced the behavior in iOS 11, 12 and 12.0.1 and the first time the problem occured was after installing a recent Jabber for iOS version (not 100% sure if it was 12.1.x or 12.0), I think it is more likely to be related to Jabber itself or on how the signalling is realized.

 

best regards

Andreas

0 Helpful

Bernhard Albler
Spotlight
Spotlight
In response to andreas.habian

‎11-05-2018 12:54 AM - edited ‎11-05-2018 12:55 AM

Hi,

it is definitely only fixed in IOS 12.1 (NOT 12.0.1).

We verified it, both with cisco and apple

Bernhard Albler
Spotlight
Spotlight
In response to Bernhard Albler

‎11-05-2018 12:55 AM

IOS 12.1 that is.
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