RGS call forwarded to a queue or SIP address doesn't work in Skype for Business Server 2015

Applies to: Skype for Business Server 2015

Symptoms


In a Microsoft Skype for Business Server 2015 environment, you set the Call Action feature to Forward to another queue or Forward to SIP address for a response group queue. When a user calls this response group (RGS), the call is stuck in the queue until it's hung up and not forwarded to the queue or SIP address as configured.

Resolution


To fix this issue, install the January 2019 cumulative update 6.0.9319.537 for Skype for Business Server 2015, Response Group Service.