As of August 19th, 2015 at 10:02pm PST, we are working to resolve inbound and outbound call issues with Zendesk Voice.
10:34pm PST We are currently investigating reports of voice issues for some customers
10:53pm PST We\\\'re continuing to investigate reports of voice issues for customers. More info to follow.
12:16am PST Our voice provider has resolved the issue and voice service has been restored. Post mortem to follow: http://bit.ly/1EEbETm
Post mortem will be posted shortly.