3 months of wrong charges - still unresolved, please help!

[wireless]

A bit of background to the situation:

• I moved to a new condo offering 1 year's free service for Telus Home Services which includes TV, a home phone and internet
• Since I've moved in, I've been charged every month for all 3 services
• I've called in multiple times and over the last 2 months, they've slowly added the discounts to Internet and TV, except home phone - still being charged for that
• Outstanding charges plus late charges are still unresolved
• I got an email today threatening disconnection if I don't pay the outstanding bill

Steps I've taken

• Called every month multiple times to have the issue resolved - the usual response is "we'll get that fixed", "you'll see the changes in 24/48 hours", "you'll see the changes on the next bill"
• Used the Twitter support twice - no action or response from them
• Used the escalation form twice - no action or response from them

I've heard about further escalation with the CRTC - that's probably my next step. I'm losing my mind every month when I get a new bill and find that I'm still get charged for free services AND have a late charge for the previous bill. Any advice anyone can give me on this would be great.

Thanks!


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