All posts by Ben Donaldson

Audio Conferencing Diagram

Microsoft Audio Conferencing; how can you not love a feature that’s so high impact, requires such minimal configuration, and enhances meeting experiences so greatly.  Formerly known as PSTN Conferencing, the service is now available through the Microsoft Teams application as well as Skype for Business Online, and provides a means by which meeting participants can dial-in to scheduled meetings. As a public display of affection, I’ve put together the below high-level Audio Conferencing diagram that can either be referenced during a technical explanation of the service, or printed onto A4 … Read the rest

Extending Skype for Business Certificate Validity

One of the things I love most about working with Skype for Business and Microsoft UC is how much the platform bleeds into other technologies and products. The net result is that in addition to being subject matter experts, consultants are often very well versed in multiple disciplines and possess an extremely well rounded skill set. Whilst browsing the TechNet forums recently, I saw a post asking for guidance around extending the validity of Lync / Skype for Business certificates beyond the default setting of what is typically two years … Read the rest

Controlling Caller ID with Cloud PBX

At the end of last month we were introduced to some additional Cloud PBX functionality around Call Queues and Auto Attendants. As part of these updates we now have the ability “To protect user anonymity, by allowing users to make outbound calls on behalf of an Auto Attendant or Call Queue”, which in layman’s terms means we can change a users outbound caller ID to be the same as a number that’s associated with an Auto Attendant or Call Queue. This adds further flexibility to the caller ID control … Read the rest

Skype Web App VS Skype Meetings App

Back in May 2017 we were introduced to the Skype Meetings App as part of Cumulative Update 5 – an alternative option for clientless users to join meetings through a browser instead of using the traditional Skype Web App. Lets refer to them as Web App (old) and Meetings App (new). Any meetings scheduled using Skype for Business Online now use the Meetings App by default. For on-premises users however, the Web App client will continue to be used until you specify otherwise. I guess the purpose of this post … Read the rest

Failed to Connect Live ID Servers

On completion of a Skype for Business hybrid configuration (and all things being well), you should find yourself in the luxurious position of being able to move users from your on-premises servers to O365, and vice-versa. “Failed to Connect live ID Servers…” is an error you might receive if you’re attempting to perform this ‘move’ action through the Skype for Business control panel rather than using the management shell. If you experience this issue (as I did) then you’ll see an error generated within the Skype for Business control panel … Read the rest

BT SIP Trunk – Calls Dropping After 2 Minutes on Mute

I recently ran into an issue whereby calls from a Skype for Business platform to the PSTN via a BT SIP trunk would drop after being on mute for exactly two minutes (120 seconds). In fact it didn’t matter if the call originated form the PSTN side either. The SIP trunk was terminated on an AudioCodes E-SBC Mediant 1000 running 6.8 firmware, and the problem could be replicated 100% of the time without fail. Anyone who regularly deploys and configures AudioCodes appliances will know that the vast array of configuration … Read the rest

Unified Messaging can’t save the PIN for mailbox…

I recently experienced an issue within a reasonably large organisation when trying to enable Skype for Business / Lync users for Unified Messaging. The Microsoft Exchange messaging environment was in a healthy working state, with no indications of any other problems. However when attempting to enable a user for Unified Messaging (regardless of whether this was through the Exchange management shell or control panel), the process resulted in “Unified Messaging can’t save the PIN for mailbox… there was an error accessing the mailbox using EWS”

At the same time the … Read the rest

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