Huawei Mate 30 Pro User Guide - Page 99

Use VoLTE to Make Calls, Enable VoLTE, Make a Video Call, Manage Incoming Calls

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Apps Use VoLTE to Make Calls Voice over LTE (VoLTE) is an IP-based data transmission technology that delivers both call and data services over a 4G network. Once VoLTE is enabled, you can make a call while accessing the Internet. If your device supports dual SIM dual VoLTE, you can receive an incoming call on a SIM card while the other SIM card is being used for a call. VoLTE also provides you with a faster call connection time and higher quality voice and video calls. Enable VoLTE 1 Contact your mobile carrier to activate the 4G and VoLTE functions for your SIM card. If both the primary and secondary SIM card trays of a dual-SIM device support 4G and VoLTE, 4G and VoLTE can be enabled for both SIM cards. 2 Go to Settings > Mobile network > Mobile data. In the network settings area of SIM 1 or SIM 2, turn on the VoLTE calls switch. Features may vary depending on your network provider. Make a Video Call Video calls are only possible when both parties are using VoLTE-activated devices. 1 Open Phone, touch the Contacts tab at the bottom of the screen, then select the contact you want to call. 2 Touch to make a video call. During a voice call, you can also touch to switch to a video call. Manage Incoming Calls You can use the call waiting feature to answer incoming calls when you are already engaged in a previous call. If you cannot answer a call because your device is faulty or the network signal is poor, you can also set call forwarding to forward calls to another number or device. Answer or Reject an Incoming Call If you receive a call when the screen is locked: • Drag right to answer the call. • Drag left to reject the call. • Touch to reject the call and reply with an SMS message. • Touch to set a callback reminder. If you receive a call when the screen is unlocked: 95

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Use VoLTE to Make Calls
Voice over LTE (VoLTE) is an IP-based data transmission technology that delivers both call
and data services over a 4G network.
Once VoLTE is enabled, you can make a call while accessing the Internet. If your device
supports dual SIM dual VoLTE, you can receive an incoming call on a SIM card while the
other SIM card is being used for a call.
VoLTE also provides you with a faster call connection time and higher quality voice and video
calls.
Enable VoLTE
1
Contact your mobile carrier to activate the 4G and VoLTE functions for your SIM card. If
both the primary and secondary SIM card trays of a dual-SIM device support 4G and
VoLTE, 4G and VoLTE can be enabled for both SIM cards.
2
Go to
Settings
>
Mobile network
>
Mobile data
. In the network settings area of SIM
1 or SIM 2, turn on the
VoLTE calls
switch.
Features may vary depending on your network provider.
Make a Video Call
Video calls are only possible when both parties are using VoLTE-activated devices.
1
Open
Phone
, touch the
Contacts
tab at the bottom of the screen, then select the
contact you want to call.
2
Touch
to make a video call.
During a voice call, you can also touch
to switch to a video call.
Manage Incoming Calls
You can use the call waiting feature to answer incoming calls when you are already engaged
in a previous call. If you cannot answer a call because your device is faulty or the network
signal is poor, you can also set call forwarding to forward calls to another number or device.
Answer or Reject an Incoming Call
If you receive a call when the screen is locked:
•
Drag
right to answer the call.
•
Drag
left to reject the call.
•
Touch
to reject the call and reply with an SMS message.
•
Touch
to set a callback reminder.
If you receive a call when the screen is unlocked:
Apps
95