Sonus SBC 1k/2k generates bad multi-SAN certs

Sonus is investigating a problem where the SBC 1k/2k & SWe Lite generate bad multi-SAN CSRs. The issue results in the additional SANs being added to the certificate as a single SAN, comma-separated: Clearly this is a parsing error in the CSR-generating code, but unfortunately a fix isn’t immediately apparent. Separating the SANs with a …

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Lync 2013 / SfB 2015 Client Security Update – September 2017

It’s been a month since our last update to the Office 2013-based Lync/SfB client took us to 15.0.4953.1000. Today, a security update takes us to 15.0.4963.1000. Kb 4011107: This security update resolves vulnerabilities in Microsoft Office that could allow remote code execution if a user opens a specially crafted Office file. To learn more about …

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Calls to SfB RGS drop instantly – FE logs event 31140

If you’ve ever created a Lync or Skype for Business Response Group Workflow using PowerShell you really appreciate how quick and easy it is to do from the Response Group browser interface, the “Response Group Configuration Tool”. Unfortunately sometimes the PowerShell path is unavoidable: if you have more than 4 options in an IVR menu, …

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Review: Yealink SIP DECT W56H

We were recently challenged by a customer to provide an economical cordless handset solution for their Skype for Business deployment. This same solution was required at each of their many small sites, so the economies of scale of a larger certified WiFi solution couldn’t be realised. There was no requirement for roaming as each of …

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VVX can’t call SfB Unassigned Numbers

As any half-decent taxidermist will tell you, there’s more than one way to skin a cat. And so it is with Skype for Business. The clever bit is determining the best method to use when faced with a given challenge. Occasionally you’ll encounter a complicated job-sharing or multiple-hop call distribution scenario that doesn’t fit the …

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Default Sonus SBC cause codes “protect” against re-routing

I’ve long been a fan of the “Easy Config Wizard” in Sonus’ SBC 1k, 2k and now SWe Lite devices. With very few exceptions, all of my SBCs are deployed from scratch using it. If you’re not familiar with it, it presents you with a few basic questions and when you click Finish it sets …

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Lync 2013 / SfB 2015 Client Update – August 2017

It’s been 3 weeks since our last update to the Office 2013-based Lync/SfB client. Today we go from 15.0.4945.1000 to 15.0.4953.1000, aka Kb 4011046. What’s Fixed A handful of items are addressed in this update: Kb 4035431 “Call forwarding settings failed” dialog occurs after you sign out Skype for Business 2015 (Lync 2013) if RCC …

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