[cisco-voip] anyone do Microsoft interoperability through expressway using CMS?

[Lelio Fulgenzi]

Thanks for this. I think it’s a drag that we not only have to buy compute facilities to get interop working, but to license what amounts to (as far as I can tell from the session) simple SIP translation is a bit much.

Does an interop call hold a license for the duration of the call or just call setup? Is CMS used for call setup only? Call control? Traversal?

I’m working with a partner to get us a design strategy, but I like to hear as much from the list.

It’s interesting, since MS has basically stopped development for S4B. Interop for Teams is done through partners. Basically like enabling CMR in WebEx.

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Lelio Fulgenzi, B.A. | Senior Analyst
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On Feb 5, 2019, at 9:48 AM, Bernhard Albler <bernhard.albler at gmail.com<mailto:bernhard.albler at gmail.com>> wrote:

Yes
this works well. only required for voice/video. chat is still purelly in expressway
you can cluster cms, but you need licenses ( 6 s4b interop calls consume 1 smp license)

On Thu 31. Jan 2019 at 20:29, Lelio Fulgenzi <lelio at uoguelph.ca<mailto:lelio at uoguelph.ca>> wrote:


The "Enabling External Collaboration and Federation with Expressway - BRKUCC-2801" session indicates that you need a separate CMS server in order to allow for Microsoft skype interoperability through expressway due to the SIP variant MS uses. Also due to the fact that they stopped developing the internal translation feature in Expressway after they bough Acano(?).


Has anyone done this? I'm suspecting I don't need any actual licenses on the CMS because it's not processing calls, just translating them. I'm also hoping I can cluster them in an HA configuration and not have a single point of failure.


Any feedback would be great.




---
Lelio Fulgenzi, B.A.
Senior Analyst, Network Infrastructure
Computing and Communications Services (CCS)
University of Guelph

519-824-4120 Ext 56354
lelio at uoguelph.ca<mailto:lelio at uoguelph.ca>
www.uoguelph.ca/ccs<http://www.uoguelph.ca/ccs>
Room 037, Animal Science and Nutrition Building
Guelph, Ontario, N1G 2W1

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