Answer
Apr 07, 2025 - 05:49 AM
Line keys determine how many simultaneous calls and functions a user can manage, crucial for multitasking. The Yealink T53 offers 8 line keys, while the Fanvil X7A provides 112 DSS keys, allowing for extensive customization. Choosing based on line key requirements ensures efficient call handling, with various configurations available for android voip phone performance.