OneNumber customer can have up to 4 SIM cards with the same number. First one would be the Primary one and the rest three would be Secondary ones.
There is no need to switch between SIM cards as all four of them are activated simultaneously.
OneNumber customer can make outgoing calls, send SMS and use mobile internet using any device/SIM card.
Incoming calls are delivered to all devices simultaneously.
Incoming SMS are delivered to the Primary SIM exclusively.
Roaming experience in available with OneNumber as long as your device has roaming capabilities built in.
One Number is available for all monthly plan customers (RED / FREEDOM / BLACK / Classic) on top of plan's relevant charges.
In case VoLTE is not activated yet on your device you first need to do that and then choose OneNumber.
Terminate existing service
Note: Apple Watch does not require a separate order placement for OneNumber service. OneNumber is automatically activated via the "On device activation" method followed to activate eSIM.
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