VoLTE

What is VoLTE?

csl is proud to present you VoLTE, which brings voice call and video call to a brand new generation! VoLTE (Voice Over LTE) means connection of voice and video call through 4G LTE network. As a valuable csl customer, you can now enjoy a FREE upgrade to experience voice call with speedy connection and video call with high quality!

In 2017, csl has joined forces with Macau mobile service provider CTM to launch the world’s first end-to-end VoLTE IDD service, so both sets of customers can enjoy high-quality voice and video IDD calling, plus near-instant connection.

Benefit of using VoLTE

(1)  Facilitates faster voice-call connections. What used to take around 7 seconds on a 3G network is now as fast as 1 second, if both parties are using VoLTE.  Even so it just takes around 4 seconds if using 3G network.

(2)Click the “Video Call” icon/button during a VoLTE call to switch between voice and video calls – instantly, simply and quickly(applicable only to some Android models).

Must have items for using VoLTE:

• VoLTE requires:
• VoLTE-compatible handset
• Upgrade handset software to the latest version
  (applicable to Android phones. Please update the software to the latest version according to the manufacturer’s guidelines for settings).
• Activate the handset’s VoLTE function:
    - iPhone
    - Samsung
    - LG
    - Sony
    - Huawei
    - Xiaomi

Handset supporting VoLTE:

Remarks

• VoLTE service is only available under 4G LTE network coverage for intra-network calls or inter-network call between CTM Macau, with designated rate plans and handsets, and cannot be used in conjunction with certain types of service. Please call 25 123 123 for details. 
• Video call is a chargeable service, irrespective of whether 3G or VoLTE has been activated. The standard charge of local video call: intra network – $1.5/min; other local operator – $2.5/min. Usage will be rounded up to the nearest minute. Customer in Hong Kong makes voice or video calls to CTM Macau numbers or makes IDD voice or video calls in Macau  are subject to extra IDD charges.
• VoLTE Video call is only available when both users are using VoLTE service.