Category Archives: Lync Server 2013

Federation stops working after enabling a HostingProvider with “EnabledSharedAddressSpace” turned on

This could be, for example, Lync- or Exchange Online / Office365. Recently, federation broke when implementing “voicemail in the cloud” with Microsoft’s Exchange Online. Microsoft Exchange was configured in Hybrid mode, all successful and operational – users could be moved back and forth and use either Exchange on-premise or Exchange online. Unified Messaging was already enabled

Read more

Show correct Caller ID on blind call transfers to external

As mentioned in one of my previous blog posts, one of the advantages on using an SBC is to be able to connect any “Direct SIP Trunk” to Lync; Microsoft certified or uncertified – as long as its compatible with the SBC’s settings. This time, I had to connect an uncertified SIP Trunk to Lync.

Read more

PSTN and Lync (Enterprise Voice): Why would I need an SBC?

This is a question which we ask ourselves regularly. Where I’m working at a Systems Integrator I come around a lot of customers and Lync design sessions. At an era where we have more and more choices of “Direct SIP Trunks” to Lync from ITSP’s (Internet Telephony Service Providers, “PSTN” providers), some may prefer a

Read more

Issue: One way audio after “call on hold”

Recently, we’ve discovered an issue with “call on hold” functionality in combination with a Cisco CUBE as cpe for Direct SIP-Trunking with Lync 2013. In this situation, we enabled Music on Hold (which is disabled by default), while also respecting all settings and configuration provided by the ITSP for the SIP Trunk. The situation is

Read more

Lync 2013 Debugging Tools – Snooper.exe does not show Messages

With Lync 2013, the default logging tool has been replaced by the “Centralised Logging”. However, in some situations you might prefer the “OCSLogger” and “Snooper” tools to start a troubleshooting or debugging session. Therefore, Microsoft has made avaialble a toolkit called “Lync 2013 Debugging Tools” which is already available for a while, and can be

Read more