Definition

CXCallUpdate is the CallKit object used to describe and configure the information shown for a call in the native iOS call UI.

It contains metadata such as:

• caller name
• handle/phone number
• video capability
• call appearance information

Core Concept

CXCallUpdate does not create or manage calls.

Instead, it:

describes how a call should appear to the system.

It is primarily used when reporting an incoming call.

Basic Example

let update = CXCallUpdate()

update.remoteHandle = CXHandle(
    type: .phoneNumber,
    value: "03001234567"
)

update.localizedCallerName = "Zeeshan"
update.hasVideo = false

Using It With Incoming Calls

provider.reportNewIncomingCall(
    with: uuid,
    update: update
)

This tells iOS: