two active lines on one phone
什么是 dual SIM?
A phone configuration where two SIM lines (any combination of physical + eSIM) can be active simultaneously. Common patterns: home physical SIM + travel.to eSIM, work eSIM + personal eSIM, primary + backup.
如何 dual SIM travel.to 的物质吗?
Most flagships since 2020 support dual SIM. With travel.to, your home number stays on its primary SIM/eSIM and continues to receive calls and SMS (including 2FA codes from banks). Data routes through whichever line you mark as primary for cellular data.
相关术语