It is common among most of the Massive Multiplayer Online Role Playing Games(MMORPGs) to have a form of communication among players to help them collaborate better together for group content and other activities. The most basic form of communication channel provided to players is text-based chatting system, which allows them to send messages to different players across the game or in the same instance.
Guild Wars 2 Edit
Guild Wars 2 launched in 2012 by ArenaNet is one of the MMORPGs which utilizes a text-based communication channels with various options to send messages to players in the same party, map, instance, personal messages, guild messages.
Battlefield 4 Edit
Battlefield 4 has voice over IP (VoIP) which players can use to talk to players in their 'squad' but also includes traditional text based communication methods. By pressing the correct key, players can communicate with their squad, team, or everyone on the server.