Trying to control My TelusTV-T21Android box with my Samsung SmartTV remote

Thanks for responding. It is really the lack of compatibility between the Telus Box. It is stamped TelusTV-T21 as its model number, and my brand new late 2023 Samsung SmartTV cannot find the model of Telus box and cannot be paired when going through setting up the UNIVERSAL REMOTE option in settings on my Samsung  TV. It's not listed and searching for the model number does not find i yet the telus box knows it's a Samsung. The only thing I'm unable to do is change channels on the Telus box with the Samsung remote. So obviously using voice to change channels using built-in Alexa also doesn't work leaving me to use the guide to change channels or switch to Telus remote if I want to use the channel up/down button. you may call the Telus remote "Slim" but the simplicity and tiny size of the Samsung remote is preferable.

I have updated the firmware of the telus remote and have made sure all updates have been done on my TV as well. I'd like to be able to use my built in Alexa to control the telus box functions like turn on/off the TV, change volume(this I can do with voice) and change the channels(unable to do this with voice on Telus box).

Sorry if I've repeated myself.