CMS HD port explanation

[Genadi]

Hi,

According to https://www.cisco.com/c/en/us/products/collateral/conferencing/meeting-server/datasheet-c78-742168.html

What does mean that CMS1000 can handle 160 HD calls 720p30 video ? If one user will turn his camera with HD 720p30 resolution and all other users will not(only audio g711) then how much Only Audio users can cms1000 handle? How to count this?

I want to deploy Meeting Server on my servers and want to know how much vCPU i need to assign if i plan to have 1 big meeting with 999 audio users and 1 user which will share his screen\turn on web cam in HD 720p30 ?

[b.winter]

What does mean that CMS1000 can handle 160 HD calls 720p30 video ? --> It means that the CMS1000 can handle 160 participants with video enabled to be HD.

If you have a mix of participant sources, you have to do the math.

If 160 HD ports are 3000 audio only calls. Then 1 HD ports correspond to 18.75 audio only calls. So the rate is 1:18.75.
Vice-Versa: 999 audio only calls correspond to 53.28 HD ports.

But if you buy a CMS1000 machine, you have a fixed setup of hardware resources.
The 2nd screenshot only applies, if you want to setup a CMS VM on a custom ESXi environment.

[Genadi]

So in case if i want to deploy CMS VM on a custom ESXI environment and my case is to support 1HD and 999 audio then if 1vCPU can handle 1.25 HD call then i need to assign vCPU = (53.28+1)/1.25 = approx 44 vCores ? So finally that means if i will deploy one CMS callbridge with 44vCores than it will be able to handle 1 HD call and 999 audio calls right?

[b.winter · Accepted solution]

All correct.