I have to say that the entire naming convention Cisco has decided to use for this seems ridiculous. Reusing the terms "Expressway" and the lettering "E" and "C" to essentially refer the the same product but in different modes, and that can be applied in different ways to refer the either device in the pair is simply daft IMHO.
I must also say that I had thought that it was simply the VCS-E (albiet with a edge collaboration licence) that was used in conjunction with CUCM, not both the VCS-C and VCS-E.
So let me get this straight:
In terms of actual hardware, the VCS-E or Video Communication Server Expressway = Expressway Edge or Expressway E, but the latter has the Collaboration (or Expressway???) licence installed and is used with CUCM to provide Mobile and Remote Access proxy?
Again, in terms of hardware, the VCS-C or Video Communication Server Control - Expressway Core or Expressway-C, but again the latter has the Collaboration (or Expressway???) licence installed and is used with CUCM to provide Mobile and Remote Access proxy.
When using CUCM, you get a FREE virtual server for both the Expressway Core and Edge to allow proxying and firewall traversal for Mobile and Remote Access for the Jabber client??
We don't utilise (as yet) CUCM but have used the VCS's since Tandberg days, hence the confusion. I understand how the VCS-C/E work in tandem with regards to a traditional video endpoint deployment with registrations and firewall traversal.
he one thing that have NOT done is keep the same naming convention. The same actual hardware device is called multiple different names, and further they have use the letter E and C to mean different things. The culmination of this is the Expressway C (Expressway Core) which is actually a VCS-C (VCS Control) and is confusing since you have the original name "Expressway" which refers to a completely different device.
Why they couldn't just stick with the name of the devices yet add sensible licence name such as "VCS-E/C with CUCM Mobile and Remote Access" or VCS-E/C with registration and firewall traversal" or some such.
But hey, this is just a moan.
Its interesting you have spotted the EoL announcments on the VCS appliences - I missed this and we have 50+ of them.
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