[cisco-voip] What does the IVR port license mean in CCX 5.x or 7.x?

[ciscozest]

I saw there are 150 IVR ports and 50 Enhanced agent/supervisor seats stated
under CCX license page.

Does it mean I can use up to 150 CTI/ call control group ports per server no
matter how many agent seats purchased?
Someone told me that the number of agent seats will impact the maximum
number of IVR ports, say 50 agent seats = 100 IVR ports usable at max.
I look at the data sheet and it states as unlimited CTI port.

Can anyone enlighten me? Thanks
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