About Me

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TsooRad is a blog for John Weber. John was a Skype for Business MVP (2015-2018) - before that, a Lync Server MVP (2010-2014). My day job is titled "Technical Lead, MS UC" - I work with an awesome group of people at CDW, LLC. I focus on collaboration and infrastructure. This means Exchange of all flavors, Skype, LCS/OCS/Lync, Windows, business process, and learning new stuff. I have a variety of interests - some of which may rear their ugly head in this forum. I have a variety of certifications dating back to Novell CNE and working up through the Microsoft MCP stack to MCITP multiple times. FWIW, I am on my third career - ex-USMC, retired US Army. I have a fancy MBA. One of these days, I intend to start teaching. The opinions expressed on this blog are mine and mine alone.


No ringback in Lync

I just did a deployment where the PSTN was a Nortel and we used an AudioCodes 1000 gateway. Everything worked out well until we noticed that outside calls coming through the Nortel got dead air until the Lync user either answered the call or Lync sent the call to voice mail.

Seeing as how Lync to Lync calls behaved properly, and tracing showed the proper SIP 180 responses, the obvious culprit was either the gateway or the Nortel.  Turns out that in an AudioCodes gateway there is a setting for allowing ringback to leave the system and head for the PSTN!


Now, I am not a gateway guru, but don’t you think that would be a desired thing to have?  Well, it is off by default.  Flip it over a bit and voila!  Ringback to PSTN.

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