VoLTE

 

What is VoLTE

VoLTE  (Voice Over LTE) is the voice calls service transmitted via 4G network, you can enjoy more stable & high-speed voice call! CTM customers can enjoy FREE VoLTE Service by holding a handset that has activated the VoLTE function, to enjoy better call experience!

 

Advantages of VoLTE

1.      Stable connection, better voice quality

2.      Fast connection, shorten call waiting time

3.      Two-line operation, you can use data to online while making a call

 

How to use VoLTE

1.          Need a mobile phone that supports VoLTE function

2.          Upgrade the phone system to the latest version

3.          Activate the phone's VoLTE function

 

VoLTE iOS Usage Guideline

1.      Click " Mobile " in " Settings "

2.      Click " Mobile Data Options "

3.      Click " Voice & Data " to activate " VoLTE "

 

  

VoLTE Android Usage Guideline

1.      Click " Connection " in " Settings "

2.      Click " Mobile networks "

3.      Activate " VoLTE calls SIM 1"

 

Handsets support VoLTE

    - iPhone 13 Pro Max

    - iPhone 11 Pro Max

    - iPhone 7 Plus

    - iPhone 13 Pro

    - iPhone 11 Pro

    - iPhone 7

    - iPhone 13 Mini

    - iPhone 11

    - iPhone 6

    - iPhone 13

    - iPhone Xs Max

    - iPhone 6s

    - iPhone SE (2nd Gen)

    - iPhone Xs

    - iPhone 6 Plus

    - iPhone 12 Pro Max

    - iPhone X

    - iPhone 6s Plus

    - iPhone 12 Pro

    - iPhone 8 Plus

    - iPhone SE

    - iPhone 12 Mini

    - iPhone 8

 

    - iPhone 12

   

 

    - Huawei Mate 40 Pro

    - Huawei Mate 20 Pro

    - Huawei Y6P

    - Huawei Nova 9

    - Huawei Mate 20

    - Huawei Y9s

    - Huawei Nova 7

    - Huawei Mate 20X

    - Huawei Y9 Prime (2019)

    - Huawei Mate 30 Pro

    - Huawei Mate 30

    - Huawei Y7 Prime (2018)

    - Huawei Mate 30 

    - Huawei P50 Pro

    - Huawei Y9 2019

    - Huawei Nova 7 SE (5G)

    - Huawei P50 Pocket

    - Huawei Y7 Pro 2019

    - Huawei Nova 7i

    - Huawei P40 Pro+ (5G)

 

    - Huawei Nova 2i

    - Huawei P40 Pro (5G)

 

    - Huawei Nova 3i

    - Huawei P40

 

    - Huawei Nova 3

    - Huawei P30 Pro

 

    - Huawei Nova 4

    - Huawei P30

 

    - Huawei Nova 5T

    - Huawei P30 Lite(256G)

 

    - Huawei Hornor View 20

    - Huawei P30 Lite

 

    - Huawei Mate 10

    - Huawei P20 Pro

 

    - Huawei Mate 10 Pro

    - Huawei P20

 

    - Huawei Mate 9

    - Huawei P20 Lite

 

    - Huawei Mate 9 Pro

   

 

    - Samsung Galaxy S20 FE

    - Samsung Galaxy Z Flip 3

    - Samsung Galaxy A22 5G

    - Samsung Galaxy A42 5G

    - Samsung Galaxy Z Flip 5G

    - Samsung Galaxy A31

    - Samsung Galaxy A12

    - Samsung Galaxy Z Flip

    - Samsung Galaxy A51

    - Samsung Galaxy Z Fold 3

    - Samsung Galaxy S22 5G

    - Samsung Galaxy A71

    - Samsung Galaxy Z Fold 2

    - Samsung Galaxy S22+ 5G

    - Samsung Galaxy A21s

    - Samsung Galaxy Fold

    - Samsung Galaxy S22 Ultra 5G

    - Samsung Galaxy A20s

    - Samsung Galaxy Tab A7 10.4

    - Samsung Galaxy S21 Ultra 5G

    - Samsung Galaxy A50s

    - Samsung Galaxy Tab S8 Ultra 5G

    - Samsung Galaxy S21+ 5G

    - Samsung Galaxy A20

    - Samsung Galaxy Tab S8+ 5G

    - Samsung Galaxy S21 5G

    - Samsung Galaxy A40s

    - Samsung Galaxy Tab S8 5G

    - Samsung Galaxy S20 Ultra

    - Samsung Galaxy A60

    - Samsung Galaxy Tab S7+ 5G

    - Samsung Galaxy S20+

    - Samsung Galaxy A70

    - Samsung Galaxy Tab S7 FE 5G

    - Samsung Galaxy S20

    - Samsung Galaxy A80

    - Samsung Galaxy Tab S7 LTE

    - Samsung Galaxy S10e

    - Samsung Galaxy A8+

    - Samsung Galaxy Note 20 Ultra

    - Samsung Galaxy S10

    - Samsung Galaxy A8s

    - Samsung Galaxy Note 20

    - Samsung Galaxy S10+

    - Samsung Galaxy A9 (2018)

    - Samsung Galaxy Note 10 Lite

    - Samsung Galaxy S9

    - Samsung Galaxy A7 (2018)

    - Samsung Galaxy Note 10

    - Samsung Galaxy S9+

    - Samsung Galaxy C7

    - Samsung Galaxy Note 10+

    - Samsung Galaxy S8

    - Samsung Galaxy C7 Pro

    - Samsung Galaxy Note 9

    - Samsung Galaxy S8+

    - Samsung Galaxy C9 Pro

    - Samsung Galaxy Note 3 LTE

    - Samsung Galaxy S7

 

    - Samsung Galaxy Note 4

    - Samsung Galaxy S7 edge

 

    - Samsung Galaxy Note 5

    - Samsung Galaxy S6

 

    - Samsung Galaxy Note 8

    - Samsung Galaxy S6 edge

 
 

    - Samsung Galaxy S6 edge+

 
 

    - Samsung Galaxy S5

 
 

    - Samsung Galaxy A52 5G

 
 

    - Samsung Galaxy A32 5G

 
     

 

    - Sony Xperia 5 III

    - Sony Xperia XZ Premium

    - Sony Xperia X Compact

    - Sony Xperia 5 II

    - Sony Xperia XZ1

    - Sony Xperia X Performance

    - Sony Xperia 10 III

    - Sony Xperia XZ1 Compact

    - Sony Xperia Z3

    - Sony Xperia 10 II

    - Sony Xperia XZ3

    - Sony Xperia Z3+

    - Sony Xperia 5

    - Sony Xperia XZ2

    - Sony Xperia Z5

    - Sony Xperia Pro I

    - Sony Xperia XZ2 Compact

    - Sony Xperia Z5 Compact

    - Sony Xperia 1 III

 

    - Sony Xperia Z5 Premium

    - Sony Xperia 1 II

 

    - Sony Xperia 10

    - Sony Xperia 1

 

    - Sony Xperia 10 Plus

    - Sony Xperia X

   

    - Sony Xperia XZ

   

    - Sony Xperia XZs

   

 

    - Vivo X23

   

    - Vivo X27

   

    - Vivo X70 Pro

   

    - Vivo X70

   

    - Vivo Y97

   

    - Vivo Y93

   

 

    - Redmi Note 10

    - Redmi 7

 

    - Redmi Note 9T

    - Redmi 7A

    - Redmi Note 7

    - Redmi 9A

 

    - Redmi Note 6A

   

 

    - Xiaomi Mi 11T Pro 5G

   

    - Xiaomi Mi 11T 5G

   

    - Xiaomi Mi 11 Lite 5G

   

    - Xiaomi Mi 11i 5G

   

    - Xiaomi Mi 11

   

    - Xiaomi Mi 11 Ultra 5G

   

    - Xiaomi Mi 10T Pro

   

    - Xiaomi Mi 10T 5G

   

    - Xiaomi Mi 10T Lite

   

    - Xiaomi Mi 12 5G

   

    - Xiaomi Mi 12X 5G

   

    - Xiaomi Mi 12 Pro 5G

   

 

 

 

    - ASUS ZenFone 8 Flip

    - ASUS ROG Phone 5s Pro

    - ASUS ROG Phone III

    - ASUS ZenFone 8 

    - ASUS ROG Phone 5s

    - ASUS ROG Phone II

    - ASUS ZenFone 7

    - ASUS ROG Phone 5

 

 

    - HTC U12+

    - HTC Desire 12+

 

    - HTC U11+

   

    - HTC Desire 12+

   

 

    - LG G6

    - LG K11

 

    - LG G6+

    - LG V30+

 

    - LG G7+

    - LG V40

 

    - LG G7 Fit

   

    - LG Q6+

   

 

    - Nokia 9

   

    - Nokia 8

   

    - Nokia 8.3 5G

   

    - Nokia 7.2

   

    - Nokia 7.1

   

    - Nokia 6.1

   

    - Nokia 7 Plus

   

    - Nokia 8 Sirocco

   

    - Nokia 2.3

   

 

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