How much time it will take to update?$ pip install ydk-models-cisco-ios-xr --upgradefor me it is taking more than 45 mins

Can you please check the log file over configuration and error of ncutil.c:105:[ncPing]libnc: ncPing: Failed <Server presence not found on IP Addr:10.127.41.14 and Port:2049> [update] I was right

This is perfect, thanks for your post. @hslai

Thanks for sharing link

When I was searching for the same issue, I got help with given URL:Feature Configuration Guide for Cisco Unified Communications Manager, Release 11.0(1) - Conference Now [Cisco Unified C…