Notifications Not Making Sound

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Created Dec ’17

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Some of our clients that have updated their devices to iOS 11 have reported that they are not receiving any sound or vibration when receiving notifications, after testing myself I can confirm that this is the case. The notification is constructed on our API with ping.aiff as the value for sound like so:

string appleSound = "ping.aiff";

var appleNotificationMessage = $"{{\"aps\":{{\"alert\":\"{message}\", \"sound\":\"{appleSound}\"}}}}";

I've tried to search around a bit but I haven't found anything, any ideas why this may have stopped working? Notifications are coming through fine they are just silent and as far as I can tell the notification settings on the app are fine.

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Answer 1

Xanderbro OP

Dec ’17

I just sent some test notifications through Azure, connected to the same app, and it is vibrating when I send ping.aiff or chime.aiff without any issues.

{"aps":{"alert":"Test notification please ignore", "sound":"ping.aiff" }}

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Answer 2

MariaVodolazkaya OP

Jan ’18

I've spent a week trying to find out what's wrong with local notifications remaining silent on the lock screen.

It turned out the issue itself is Apple Watch repeating notifications. If you take your Watch off or just forbid it to repeat your app's notifications, notifications will work as usual. The thing is as I understand it the notification is only showed/played/vibrated once on one selected (closest to you) device. And as Watch is the closest as it touches your wrist constantly, showing a notification on Watch blocks it from showing up on any other device.

I'm not sure though but it seems like the same applies to remote notifications too.

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