Thursday, August 24, 2017
Skype for Business Readiness Series 11 15
Skype for Business Readiness Series 11 15
Today I joined the eleventh session of the Skype for Business Readiness WebCast Series and the topic for today were Video Interop Server Deep-dive. The Webcast was recorded and is available online from the link above.

Lynn Roe presented and showed a nice demo with a VTC unit joining a S4B meeting and also calling in to a S4B client using the Video Interop Server (VIS) server role. We also got to see the new CLSlogger and some logging details of the VIS calls. The new CLSlogger will be released with the debugging / Resource Kit tools shortly after RTM. The video interoperability server role allows S4B customers to continue using already deployed (and expensive) Cisco VTC solutions. A Cisco CUCM is required for VIS interoperability and DTMF from a VTC to S4B is supported. Only inbound calls from a Cisco VTC to S4B are supported.
I am also pleasantly surprised to see that Guillermo Sanchez (aka ITSanchez) from Argentina have translated my first QnA posting in this series into Spanish. So for all Spanish speaking amigos y amigas out there, do not miss the post:
Skype for Business, Preguntas y Respuestas (Parte 1)
Skype for Business, Preguntas y Respuestas (Parte 1)
Here comes todays QnA session, 13 questions and answers, enjoy!
New features
What is the scalability number of users/conferences per VIS server?
Capacity planning information will be released post RTM, including bandwidth consumption, etc.
Can two or more VTCs join the same S4B meeting?
Yes
Does VIS support Tandberg devices as well?
Yes, Tandberg devices are supported.
How would we load balance a multiple server VIS pool?
With DNS load balancing.
Which CUCM version is required for VIS?
Currently VIS have been tested and validated with CUCM version 10.5.
What are the firewall opening requirements between VIS and the edge server?
Port information and requirements will be released on TechNet soon.
How do we configure CUCM to interwork with VIS?
The necessary CUCM settings that are required for interoperation with VIS will be released on TechNet soon.
Unchanged features
Does the S4B server still use RDP for content sharing?
Yes.
Does the Edge server used with VIS have to be a S4B edge?
No, the Edge server does not have to be S4B, VIS can leverage an existing Lync 2013 Edge server.
Features "missing"
Is VIS compatible with Cisco / Tandberg only (how about Huawei VC / TP solutions)?
Right now VIS is only targeting Cisco VTCs.
Is Content sharing with H.239 supported?
No, no support for H.239 at this time.
Will VIS allow content (desktop or app share / IMs, etc) to be shared across Cisco and Lync, or just video?
There is no content sharing on VIS supported at the moment.
Will a VIS client be able to join a meeting hosted in the cloud?
No, the meeting must be on-premise only.
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