Unable to connect

As the title the push notification from our app (is in development) stop working. We tried with simple push example from ApnsPHP to avoid problems with our code but can not make it works:


Fri, 20 May 2016 09:55:56 +0200 ApnsPHP[6921]: INFO: Trying ssl://gateway.sandbox.push.apple.com:2195... Fri, 20 May 2016 09:55:56 +0200 ApnsPHP[6921]: ERROR: Unable to connect to 'ssl://gateway.sandbox.push.apple.com:2195': (0) Fri, 20 May 2016 09:55:56 +0200 ApnsPHP[6921]: INFO: Retry to connect (1/3)... Fri, 20 May 2016 09:55:57 +0200 ApnsPHP[6921]: INFO: Trying ssl://gateway.sandbox.push.apple.com:2195... Fri, 20 May 2016 09:55:58 +0200 ApnsPHP[6921]: ERROR: Unable to connect to 'ssl://gateway.sandbox.push.apple.com:2195': (0) Fri, 20 May 2016 09:55:58 +0200 ApnsPHP[6921]: INFO: Retry to connect (2/3)... Fri, 20 May 2016 09:55:59 +0200 ApnsPHP[6921]: INFO: Trying ssl://gateway.sandbox.push.apple.com:2195... Fri, 20 May 2016 09:55:59 +0200 ApnsPHP[6921]: ERROR: Unable to connect to 'ssl://gateway.sandbox.push.apple.com:2195': (0) Fri, 20 May 2016 09:55:59 +0200 ApnsPHP[6921]: INFO: Retry to connect (3/3)... Fri, 20 May 2016 09:56:00 +0200 ApnsPHP[6921]: INFO: Trying ssl://gateway.sandbox.push.apple.com:2195... Fri, 20 May 2016 09:56:00 +0200 ApnsPHP[6921]: ERROR: Unable to connect to 'ssl://gateway.sandbox.push.apple.com:2195': (0)

Fatal error: Uncaught exception 'ApnsPHP_Exception' with message 'Unable to connect to 'ssl://gateway.sandbox.push.apple.com:2195': (0)' in /Library/WebServer/Documents/ApnsPHP/Abstract.php:396 Stack trace: #0 /Library/WebServer/Documents/ApnsPHP/Abstract.php(334): ApnsPHP_Abstract->_connect() #1 /Library/WebServer/Documents/sample_push.php(46): ApnsPHP_Abstract->connect() #2 {main} thrown in /Library/WebServer/Documents/ApnsPHP/Abstract.php on line 396


I tried with 2 different developer accounts (one from my client and one from my company), using 2 different ISP and mobile data to test and re-create all the certificates but none of them can connect. Any help is appreciated.

Unable to connect
 
 
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