Showing posts from December, 2016

Skype for Business Online SIP URI Define or Change for Office 365 Online User

How is the SIP URI defined in Skype for Business Online? Can the SIP URI be changed? - Yes! I ran into an issue today, where we have registered an additional DNS Domain with the customer Office 365 tenant. Problem was, the UPN and EMAIL address was still It was necessary changing the SIP address to the new domain. the User had: sip: email UPN but we need to change actually only the SIP address to the command Set-CsUser -identity user -SipAddress sip: is not working! ERROR: Unable to set “SipAddress”. This parameter is restricted within Remote Tenant PowerShell. see support statement: ------------------------------------------------------------------------- What is important in Office 365 AZURE AD? First activation of the tenant defines the default domain as xx.onmicros

Supporting Busy on Busy with Skype for Business

This should be just used as basic approach on how you can support busy on busy. First you can check if the new APPLICATION was installed correctly: The newly created appliance will be loaded during the Frontend server startup procedure and you will be able seeing a not in Event 30253 , indicating the application was included in the loading process. Next important, not to say most important tool ist LOGGING TOOL : Here you will find a pre-defined set towards busy on busy. Generally busy on busy messages look like this example below: Content-Length: 0 Via: SIP/2.0/TLS;received=;ms-received-port=41538;ms-received-cid=9F6B100 From: "User1"<>;tag=8ea09bf2e6;epid=2983f4c267 To: <>;tag=C643D58961F545B Call-ID: 734ea4e359617902c2098433b CSeq: 1 INVITE Server: BusyOptions/ ms-diagnostics:    1034;reason="Previous hop federated peer did not re

Enabling Busy on Busy within Control Panel

NOTE: The configuration advice and technical description can be found here: Navigate to the Voice Policy in the Voice Routing Section Here you can enable Busy on Busy on a GLOBAL Policy or based on USER/ SITE policies. Author: Thomas Poett MVP, Business Unit Lead Microsoft Unified Communication