Please suggest me that IP phone require the separate licence for UC 500.
As i know,
The solution offers various fixed configurations, eliminating the guesswork from configuration.Each configuration is equipped with the appropriate number of feature licenses for call processing, voicemail, and Cisco Unified IP phones, simplifying the product structure.
Waiting for ur response
No phone license of any type is required for the UC500.
As the text you've included says, the phone licenses are already included in the UC500 base system.
Hope this helps, please rate post if it does!