We are currently experiencing issues where users might not be able to connect to Skype. We are investigating this issue and hope to resolve soon. We apologize for the inconvenience.
[Update Oct 6, 2016 19:32 GMT]: Please use Skype for Web as a possible workaround.
[Update Oct 6, 2016 22:30 GMT]: We are continuing to investigate an issue that is affecting users signing into Skype. This does not impact those already signed in. Those impacted can sign in via Skype for Web as a workaround.
[Update Oct 7, 2016 03:00 GMT]: Issue is fully resolved
We are currently investigating a problem where messages sent are received by recipients but senders cant see them after sending. We apologize for the inconvenience and are working on fixing this. We will let you know when the issue has been resolved.
[UPDATE Sep 21, 2016 20:00 GMT]: The issue has been fully resolved