A heads-up from our development labs: The latest update to the Apple Push Notification service (APNs) requires the use of HTTP/2 and will be included in the upcoming V16 Update 5. This essentially makes Apple Push Notification service only compatible with operating systems that support HTTP/2. Windows platforms will be affected, as HTTP/2 support is […] The post Notice: New Apple Push Service Requires HTTP/2. Is Your Windows OS Compatible? appeared first on 3CX.