Make sure your “Axis Invasion” is switched to “On” (or “Invite Only”, if you know who you want to invade you).
Then simply wait till you get invaded, the game will clearly tell you, and a red banner saying “Axis Invasion” will be seen on your screen.
Yes the phones around the map to locate the Sniper (careful because it reveals you too).
You can click “RS” to activate focus and a sonar around your minimap. The direction of the sonar indicates the direction the enemy player can be seen.
Watch out for patrolling soldiers as they’ll alert the player to your location.
I wrote a guide for Gamer Social Club:
https://gamersocialclub.ca/2025/01/27/sniper-elite-resistanc...