All posts with tag #Skype4B

lost & found: FFmpeg and Skype4B, Security Baseline for RS5

A quick edition of lost & found on how to use FFmpeg on WSL to create audio files that can be used for Skype for Business announcements. And an observation about the recently published security baseline for Windows 10 1809 and Server 2019.

Network assessment with policy-based QoS and iperf3

In Skype for Business and, more recently, Teams deployments, a solid network and a good knowledge of it are fundamentally important.

Skype for Business Hybrid Observations


A collection of information about Skype for Business in hybrid environments.

Lync SDN API and Cisco WLC


Some days ago I had the chance to test Cisco’s Wireless LAN Controllers with the Lync Software Defined Networking (SDN) API.

Lync 2013 backend on SQL Cluster with mixed authentication mode

NoOp and NAT Traversal

ActiveDirectory DisplayName mit Umlauten und AudioCodes ISDN


Vor einigen Tagen bin ich in einem Lync Projekt auf das Problem gestoßen, dass bestimmte Benutzer keine Anrufe in das PSTN (ISDN E1) tätigen konnten. Der Kunde setzt ein AudioCodes Gateway ein, die Syslogs des Gatways sind zur Fehlersuche sehr gut geeignet. Das Gateway bekommt die SIP Signalisierung von Lync sowie die Q.931 Signalisierung aus dem ISDN mit.

Lync: SIP inter-domain federation with Cisco Unified Presence - 2

Lync: SIP inter-domain federation with Cisco Unified Presence - 1

Lync Conf 2014 Keynote

Lync 2013 Hosting Pack v2 and Skype federation

Lync Client certificate warning Exchange Autodiscover

PAL: Performance Analyse

CNG Certificates and Lync/ TMG

How to build an UAG 2010 Array for Exchange publishing–Part 2

Lync 2013 Survivable Branch Server – Installation

Lync 2013 Survivable Branch Server – Planung

Lync Private Line

date_modified: Invoke-SEFAUtil

Exchange Unified Messaging Sprachauswahl

Lync Server Backup

Lync: Music on Hold / Wartemusik

Invoke-SEFAUtil – a PowerShell wrapper function


I had to use SEFAUtil to get some tasks done the other day. As I prefer using PowerShell over just another command line tool, I decided to come up with a quick wrapper function that is intended to make my life a little easier.

Lync and Exchange 2013 OWA integration

How to build an UAG 2010 Array for Exchange publishing–Part 1

Prepare Windows Server 2012 for Lync 2013

Installing Lync 2013 Updates

Lync 2013 (Client) and LyncDiscoverInternal

Lync 2013 – Installation and Certificates

Lync 2013 – Prepare AD and build Topology

Lync 2013 – Voicemail Escape