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ST WiFi Calling

Q1: Does ST WiFi Calling work with hotel and cafe’s WiFi service overseas?
A1:

Yes. ST WiFi Calling works with any WiFi connection.

Q2: Does ST WiFi Calling work with WiFi connections in Hong Kong that’s outside of my home?
A2:

Yes. ST WiFi Calling works with any WiFi connection.

Q3: Do I have to apply for a new phone number in order to use ST WiFi Calling?
A3:

No. You can use your existing SmarTone mobile number with your personal caller ID display setting to make and receive calls.

Q4: I am currently using 1 card 2 numbers service. Can I use ST WiFi Calling at the same time?
A4:

Yes. Your Hong Kong number will be used for ST WiFi Calling.

Q5: When I am using ST WiFi Calling, will it be counted towards my local voice minutes usage?
A5:

No.

Q6: How can I subscribe to ST WiFi Calling?
A6:

ST WiFi Calling is available for free to customers of SuperCare Smartphone Plans; while a day charge of HK$8 is applicable to customers of ExtraCare Smartphone Plan and other designated service plans. A day is defined as 00:00 – 23:59 Hong Kong time.

Q7: How do I pre-register the 5 WiFi connections for ST WiFi Calling?
A7:

When you are within the coverage of the WiFi connection that you want to register, simply do the following:
1. Go to 'Setting' of ST WiFi Calling
2. Select ‘Registered WiFi’
3. Tap ‘Add WiFi connection’
4. Follow the instructions in the app to complete the process

Q8: How do I know if I am picking up an incoming call through ST WiFi Calling?
A8:

The dialler of ST WiFi Calling will be shown on your phone when you have an incoming call.

Q9: When I am using ST WiFi Calling, what will happen to my incoming calls if I am outside WiFi coverage and do not have mobile network?
A9:

Incoming calls will be diverted to your voicemail. If the caller leaves you a message, you will receive an SMS voicemail alert when you are connected back to a mobile network; or you will receive a call to alert you of the voicemails when connected to the WiFi network. This ensures that you are informed of missed calls in a timely manner.

Q10: How do I know if my ST WiFi Calling fails to log on to a WiFi connection?
A10:

The Call button on the dialler of ST WiFi Calling will be in grey colour and no calls can be received or made via the dialler.

Q11: How can I get my voicemail messages when using ST WiFi Calling?
A11:

There are 2 ways:
1. Tap the in-app voicemail button, or
2. Press 138 to enter the voice mailbox system

Q12: Can ST WiFi Calling support the use of VoLTE?
A12: Yes.