Below is an Office 365 Message Center Update:
Published On : March 27, 2017
Expires On : April 26, 2017
Skype for Business Online Voicemail Transcription is a new Office 365 feature. This feature will be released to all customers on March 31, 2017. This message is associated with Office 365 Roadmap ID 55889.
How does this affect me?
Voicemail Transcription will be enabled by default for all customers. Once it is released, users will receive a transcription of their voicemails in the email body. You can disable this feature at any time from your configuration.