Alternatively you can refer to this guide (https://www.telus.com/en/bc/support/article/set-up-mobile-voicemail) from Telus. Scroll down to the bottom and click on "TELUS Voicemail Quick Reference Guide" for detailed options. Since Telus is the parent...
By the way now that you have set up the voicemail, if you ever want to play around with the voicemail options without compromising your minutes (if you are on limited outgoing plan), you can refer to this guide (https://www.telus.com/en/bc/support/ar...