"From number" is missing in the Peer-to-Peer Session Detail Report when you dial a PSTN number in Skype for Business Server 2015

Applies to: Skype for Business Server 2015

Symptoms


Assume that you use a Microsoft Skype for Business mobile client to dial a Public Switched Telephone Network (PSTN) number in a Microsoft Skype for Business Server 2015 environment. When you view the Peer-to-Peer Session Detail Report, you find that the From number attribute is empty.

Cause


This issue occurs because the Microsoft Unified Communication Web API (UCWA) does not send TelNumber in P2PSessiondata.