[header] How to get another phone's call log [title] Determine which carrier your target phone uses. [step] You'll need this information in order to log onto the proper service provider page. Most phones display their carrier's name in the top left corner of the screen. 
[title] Navigate to the carrier's website. [step] If the phone you're attempting to track is on a verizon network, for example, you'll need to go to the verizon website.