Unlike Overwatch 2, Modern Warfare 2's mobile phone requirement is PC-only

Call of Duty: Modern Warfare 2's Phone Number Requirement Will Only Affect Some PC Players

Modern Warfare 2 will have the same pre-paid/VOIP phone restrictions as Overwatch 2

Call Of Duty: Modern Warfare III's Campaign Was Reportedly Made In 16 Months Under Crunch Conditions - Game Informer

Activision confirms Modern Warfare 2 phone number requirement despite OW2 issues - Dexerto

Unlike Overwatch 2, Modern Warfare 2's mobile phone requirement is PC-only, cod 2 modern warfare system requirements

Season 04 Reloaded: What you need to know — Call of Duty: Modern Warfare II — Blizzard News

Modern Warfare II also requires phone number registration

Call of Duty®: Modern Warfare® II Multiplayer Overview — Everything Available at Launch

Call of Duty: Modern Warfare II Multiplayer and More — Call of Duty: Modern Warfare II — Blizzard News, cod 2 modern warfare

Call Of Duty: Modern Warfare 2 Will Require Phone Number Verification - GameSpot

Only PC players have to register a phone number to play Modern Warfare 2

Call of Duty®: Modern Warfare® II Multiplayer Overview — Everything Available at Launch

Activision Blizzard tweaks SMS Protect to support pre-paid phone plans