Call and message from a separate number on devices you and your team already have, via Wi-Fi or your existing cellular network, with anyone in the U.S. Just download the app, pick a phone number, and immediately access unlimited calling and texting from an additional line on your phone.
Follow the prompts to connect your iPhone to your PC via QR code. 2ndLine uses your Data or WiFi connection to provide your phone with an additional line. iMessage on Windows 11 (Image credit: Microsoft) 3. 2ndLine is a second US or Canada phone number that works on your smartphone, tablets as a full-featured business phone system, designed for mobile professionals, freelancers, and entrepreneurs. Open the Phone Link app on Windows 11 and click on iPhone.