Review: SEFAUtil Server – Enterprise Edition

Earlier this year I looked in some depth at the Beta version of Landis Technologies’ “SEFAUtil Server”.

It’s since hit a formal “GA” milestone, and I’m pleased to see it’s a more stable platform as a result of its lengthy gestation.

If you’re not familiar with Microsoft’s “Secondary Extension Feature Activation Utility” for Lync and Skype for Business – or why there’s a burning need for third-party add-ons like SEFAUtil Server – have a read of the intro from my Installing SEFAUtil Server and pop back here when you’re done.

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Lync 2013 / SfB 2015 Client Update – November 2017

Our October Security update took us to 15.0.4971.1000 and today Kb 4011255 jumps us up 10 builds to 15.0.4981.1000.

What’s Fixed

This update fixes the following issues:

  • Kb 4051054 Phone number instead of contact name is displayed for an Active Directory contact in Skype for Business 2015 (Lync 2013)
  • Kb 4051055 A contacts group is deleted when renaming the group by using the Delete key in Skype for Business 2015 (Lync 2013)
  • Kb 4051056 Anonymous meeting join fails if the meeting organizer is disabled for federation in Skype for Business 2015 (Lync 2013)
  • Kb 4051057 Can’t join a meeting through Lync Web App after the meeting can’t be joined from the Skype Meeting Add-in in Outlook

Continue reading ‘Lync 2013 / SfB 2015 Client Update – November 2017’ »

Review: TechSmith Snagit 2018

The screen-grabs here at greiginsydney.com are these days all captured & refined by TechSmith’s “Snagit” screen-capture utility. Prior to becoming an MVP I relied entirely on the free Windows “Snipping Tool”, but that all changed when TechSmith was kind enough to send me a complimentary copy of Snagit. It quickly became indispensable, and so I purchased a separate copy for my work PC.

Snagit gives me a lot of editing power in a small economical package. I love how what I call the “munching tool” (aka “cut out”) lets me imperceptibly remove white-space, or add tear-marks to show where I’ve removed part of an image for brevity. I can delete text (like an unwanted date-stamp) leaving only the background, blur sensitive details, highlight the important bits, and much more.

Compare an original with the edited version:

SonusGrab-Original

SonusGrab-Edited

New: “Grab Text”

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Polycom VVX & Trio Time Zone Location Description

I was working on a Polycom VVX configuration file recently and it took me a while to find where the timezone cities were defined: all I had was a mysterious integer.

I found them in the PDF “3725-49078-018a-uc-software-skype-for-business-deployment-guide-5-6-0.pdf” but for future reference I decided to copy and re-post them here.

From the PDF: “The following two parameters configure a time zone location description for their associated GMT offset”

  • device.sntp.gmtOffsetcityID
  • tcpIpApp.sntp.gmtOffsetcityID

Here’s one in context (with Sydney showing in this example):

<device device.sntp.gmtOffsetcityID="113" device.sntp.gmtOffsetcityID.set="1" />

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Office 2016 client path prevents SfB MOH playing

It’s been a big week for Music On Hold. I’ve found a bug in the Office 2016 client that kills MOH if you mute, and another one again – this time related to the path your Office installed itself into.

The symptoms were simple enough: internally, or for external parties when the Sonus SBC’s own MOH feature was disabled, putting callers on hold resulted in them hearing silence.

I thought this was going to be a simple client policy fix, but nup:

get-csclientpolicy | ft identity,*music* -auto

Get-CsClientPolicy-MOH

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SfB 2016 client bug: Mute kills MOH

I encountered a quirky little bug while chasing a Music On Hold (MOH) problem this week.

It seems that in all current flavours of the Office 2016-based client I can lay my hands on (MSI & C2R), activating Mute will suppress the transmission of MOH from the client. This probably isn’t going to be something most users will encounter, but will be exacerbated if you’re running a util that automatically engages Mute – like removing your wireless headset might do.

Its easily reproducible: with the call on hold, toggling Mute on and off will do the opposite to the music. While you’re muted the far end will hear silence & is at risk of hanging up thinking they’ve been disconnected.

MutedCallOnHold-edit

This issue won’t however be apparent to external callers if you’re using a Sonus SBC and its in-built MOH feature: that continues to play to the PSTN caller regardless.

Affected releases

I’ve confirmed it occurs on these releases of client:

  • C2R Version 1708, 8431.2094 (Monthly Channel)
  • C2R Version 1710, 8713.1000 (Office Insider)
  • MSI Version 16.0.4549.1000

Revision History

14th October 2017: This is the initial post.

 

– G.

Lync 2013 / SfB 2015 Client Security Update – October 2017

This week’s Security Update seems to have touched a few items and of course the Office 2013-based Lync/SfB client is no exception. Our September update took us to 15.0.4963.1000 and today we jump to 15.0.4971.1000.

Kb 4011179: 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 these vulnerabilities, see Microsoft Common Vulnerabilities and Exposures CVE-2017-11786.

What’s Fixed

This security update contains the following improvements and fixes:

  • Kb 4042815 Improves the conference experience for active speaker video stream in VDIv2 in Skype for Business 2015 (Lync 2013)
  • Kb 4042811 “The video preview won’t show” error occurs when you start a video call in Skype for Business 2015 (Lync 2013) in VDIv2
  • Kb 4042814 Skype for Business 2015 (Lync 2013) sign-in fails when the client moves from internal to external Internet connection
  • Kb 4042810 Duplicate working numbers for contacts are displayed on the call drop-down menu in Skype for Business 2015 (Lync 2013)
  • Kb 4042812 Skype for Business 2015 (Lync 2013) doesn’t display who changed the whiteboard content in a meeting
  • Kb 4042817 Skype for Business 2015 (Lync 2013) crashes when the computer resumes from sleep or hibernate mode
  • Kb 4042809 A user’s department isn’t displayed on their contact card in Skype for Business 2015 (Lync 2013)
  • Kb 4042813 Can’t automatically log on to Skype for Business 2015 (Lync 2013) that has the December 6, 2016, update installed
  • Kb 4042816 Adds a new Show/Hide My Video button for VDIv2 users to minimize the self-view video in Skype for Business 2015

Continue reading ‘Lync 2013 / SfB 2015 Client Security Update – October 2017’ »

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:

Sonus-BadCSR-highlight

Sonus-BadCert

Clearly this is a parsing error in the CSR-generating code, but unfortunately a fix isn’t immediately apparent. Separating the SANs with a space or a comma followed by a space – or even a carriage return – still results in bad certs.

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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 these vulnerabilities, see Microsoft Common Vulnerabilities and Exposures CVE-2017-8676, Microsoft Common Vulnerabilities and Exposures CVE-2017-8695, and Microsoft Common Vulnerabilities and Exposures CVE-2017-8696.

What’s Fixed

Two other items are addressed in this update:

  • Kb 4039811 Doesn’t display a dialog box to join a meeting through a web browser if Skype for Business 2015 sign-in fails
  • Translate some terms in multiple languages to make sure that the meaning is accurate.

What’s New / Changed

Nothing documented.

Continue reading ‘Lync 2013 / SfB 2015 Client Security Update – September 2017’ »