Wirelessly posted (BB Curve 8330: BlackBerry8330/184.108.40.206 Profile/MIDP-2.0 Configuration/CLDC-1.1 VendorID/126 UP.Browser/220.127.116.11)
This is a known issue with TELUS. It will only happen if the phones are in the same room. You can stop it by activating the old phone on a different account temporarily. I think DNA has a work around to un-link it as well. I'm not sure if all reps know about it though. It's nothing to worry about.