E Channel

I would like to switch out a channel that I already have for the E Channel. I just spoke with a Videotron representative on the phone and he told me that this channel could be found on 725.

I have tried to find it and it's not in my listings or, in my lineup so, how can I get it?

https://www.videotron.com/vcom-ext/secur/forms/tv/displayChannelList?selectedChannelType=HD_DIGITAL&selectedChannelOrder=NUMERICAL