Solved Failed to send APNS PUSH to device iPhone15

[Gauhier Le Grand Cometel]

Hello everyone
. For a few days, I've been experiencing issues with push notifications on iOS with a 3CX version 18.
The message is : Failed to send APNS PUSH to device iPhone15,3iPhone(Ext.XXX). Internal exception occured: The request was canceled due to the configured HttpClient.Timeout of 100 seconds elapsing.
My firewall check is ok and I have a 3CX installation hosted inside the company and a swisscom connections.

Best Regards

 

[OlegR_3CX]

Hi there.
Does it happen to only 1 specific server, for example, I can't replicate this on my machine.
The issue here can be with IPv6 or outbound connections to Apple servers.

 

[Nicolas Beaumier]

We are experiencing the same thing as the OP.
Problem appeared yesterday morning.
3CX version: 18.0.9.20
Hosted in Azure

 

[OlegR_3CX]

@Nicolas Beaumier
Have you checked the outbound communication with Apple servers, including IPv6 traffic?

 

[Wsit]

We are having the same issue. It's a On Premise Hosted server in our own datacenter. Started since yesterday.
Version 18.0 (Build 23)

Failed to send APNS PUSH to device iPhone13,3iPhone(Ext.201). Internal exception occured: The request was canceled due to the configured HttpClient.Timeout of 100 seconds elapsing.

 

[OlegR_3CX]

@Wsit
we have seen these issues, when there was a networking issue with the outbound communication between the Phonesystem and Apple servers, including IPv6 traffic.

 

[Wsit]

@Wsit
we have seen these issues, when there was a networking issue with the outbound communication between the Phonesystem and Apple servers, including IPv6 traffic.

How can we troubleshoot this? There must be a global issue or something since more people are complaining here in this thread.

 

[OlegR_3CX]

@Wsit
I don't face this on my system for example.
You could also try 3CX hosting, and it should work there too.
Now, if you want us to have a look at this, you could open the ticket with us, and we will gather logs and .pcap and inspect them.

 

[Wsit]

A reboot solved the problem.. Ugh

 

[OlegR_3CX]

Perfect!
Thank you for the feedback