Symptoms

After you install the July 2019 Cumulative Update for Skype for Business Server 2015, users can’t transfer external calls by using Polycom VVX phones. This issue also occurs in Skype for Business Server 2019.

Resolution

To fix this issue, install one of the following updates:


Third-party information disclaimer
The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.

Need more help?

Expand your skills
Explore Training
Get new features first
Join Microsoft Insiders

Was this information helpful?

What affected your experience?

Thank you for your feedback!

×