System · IOS API REFERENCE

CoreTelephony

Access information about a user’s cellular service provider, such as its unique identifier and whether the carrier allows VoIP.

34 types

138 callable entries

1 skipped

99% entry coverage

Generated from iOS SDK 27.1. Availability is shown on each declaration; permissions and entitlements still apply.

Types

CellularDataRestrictionDidUpdateNotifier

typealias

CTCall

class · iOS 4.0+ · Deprecated in iOS 10.0

CTCallCenter

class · iOS 4.0+ · Deprecated in iOS 10.0

CTCarrier

class · iOS 4.0+ · Deprecated in iOS 16.0

CTCellularData

class · iOS 9.0+

CTCellularDataRestrictedState

enum

CTCellularPlanCapability

enum · iOS 26.0+

CTCellularPlanProperties

class · iOS 26.0+

CTCellularPlanProperties.lifecycle

class · iOS 26.4+

CTCellularPlanProvisioning

class · iOS 12.0+

CTCellularPlanProvisioningAddPlanResult

enum · iOS 12.0+

CTCellularPlanProvisioningRequest

class · iOS 12.0+

CTCellularPlanStatus

class · iOS 26.0+

CTCellularPlanStatusAuthorization

enum · iOS 27.0+

CTCellularPlanStatusAvailability

enum · iOS 27.0+

CTCellularPlanStatusAvailabilityConfidence

enum · iOS 27.0+

CTError

struct

CTQuickSwitchManager

class · iOS 27.0+

CTQuickSwitchManager.Delegate

protocol · iOS 27.0+

CTQuickSwitchState

enum · iOS 27.0+

CTSlicingManager

class · iOS 26.3+

CTSlicingManager.AppCategory

enum · iOS 26.3+

CTSlicingManager.AppCategory.AllCases

typealias · iOS 26.3+

CTSlicingManager.AppCategory.RawValue

typealias · iOS 26.3+

CTSlicingManager.Slice

struct · iOS 26.3+

CTSlicingManager.TrafficClass

enum · iOS 26.3+

CTSlicingManager.TrafficClass.AllCases

typealias · iOS 26.3+

CTSubscriber

class · iOS 7.0+

CTSubscriberDelegate

protocol · iOS 12.1+

CTSubscriberInfo

class · iOS 6.0+

CTTelephonyNetworkInfo

class · iOS 4.0+

CTTelephonyNetworkInfo.RadioAccessTechnologyDidChangeMessage

struct · iOS 27.0+

CTTelephonyNetworkInfo.RadioAccessTechnologyDidChangeMessage.Subject

typealias · iOS 27.0+

CTTelephonyNetworkInfoDelegate

protocol · iOS 13.0+

Functions and constants

get · iOS 4.0+ · Deprecated in iOS 10.0

CTCallStateConnected

TypeScript

const CTCallStateConnected: string

Swift declaration

let CTCallStateConnected: String

get · iOS 4.0+ · Deprecated in iOS 10.0

CTCallStateDialing

TypeScript

const CTCallStateDialing: string

Swift declaration

let CTCallStateDialing: String

get · iOS 4.0+ · Deprecated in iOS 10.0

CTCallStateDisconnected

TypeScript

const CTCallStateDisconnected: string

Swift declaration

let CTCallStateDisconnected: String

get · iOS 4.0+ · Deprecated in iOS 10.0

CTCallStateIncoming

TypeScript

const CTCallStateIncoming: string

Swift declaration

let CTCallStateIncoming: String

get · iOS 7.0+

CTRadioAccessTechnologyCDMA1x

TypeScript

const CTRadioAccessTechnologyCDMA1x: string

Swift declaration

let CTRadioAccessTechnologyCDMA1x: String

get · iOS 7.0+

CTRadioAccessTechnologyCDMAEVDORev0

TypeScript

const CTRadioAccessTechnologyCDMAEVDORev0: string

Swift declaration

let CTRadioAccessTechnologyCDMAEVDORev0: String

get · iOS 7.0+

CTRadioAccessTechnologyCDMAEVDORevA

TypeScript

const CTRadioAccessTechnologyCDMAEVDORevA: string

Swift declaration

let CTRadioAccessTechnologyCDMAEVDORevA: String

get · iOS 7.0+

CTRadioAccessTechnologyCDMAEVDORevB

TypeScript

const CTRadioAccessTechnologyCDMAEVDORevB: string

Swift declaration

let CTRadioAccessTechnologyCDMAEVDORevB: String

get · iOS 7.0+ · Deprecated in iOS 12.0

CTRadioAccessTechnologyDidChange

TypeScript

get CTRadioAccessTechnologyDidChange(): _Foundation_NSNotification_Name

Swift declaration

static let CTRadioAccessTechnologyDidChange: NSNotification.Name

get · iOS 7.0+

CTRadioAccessTechnologyEdge

TypeScript

const CTRadioAccessTechnologyEdge: string

Swift declaration

let CTRadioAccessTechnologyEdge: String

get · iOS 7.0+

CTRadioAccessTechnologyGPRS

TypeScript

const CTRadioAccessTechnologyGPRS: string

Swift declaration

let CTRadioAccessTechnologyGPRS: String

get · iOS 7.0+

CTRadioAccessTechnologyHSDPA

TypeScript

const CTRadioAccessTechnologyHSDPA: string

Swift declaration

let CTRadioAccessTechnologyHSDPA: String

get · iOS 7.0+

CTRadioAccessTechnologyHSUPA

TypeScript

const CTRadioAccessTechnologyHSUPA: string

Swift declaration

let CTRadioAccessTechnologyHSUPA: String

get · iOS 7.0+

CTRadioAccessTechnologyLTE

TypeScript

const CTRadioAccessTechnologyLTE: string

Swift declaration

let CTRadioAccessTechnologyLTE: String

get · iOS 14.1+

CTRadioAccessTechnologyNR

TypeScript

const CTRadioAccessTechnologyNR: string

Swift declaration

let CTRadioAccessTechnologyNR: String

get · iOS 14.1+

CTRadioAccessTechnologyNRNSA

TypeScript

const CTRadioAccessTechnologyNRNSA: string

Swift declaration

let CTRadioAccessTechnologyNRNSA: String

get · iOS 7.0+

CTRadioAccessTechnologyWCDMA

TypeScript

const CTRadioAccessTechnologyWCDMA: string

Swift declaration

let CTRadioAccessTechnologyWCDMA: String

get · iOS 7.0+

CTRadioAccessTechnologyeHRPD

TypeScript

const CTRadioAccessTechnologyeHRPD: string

Swift declaration

let CTRadioAccessTechnologyeHRPD: String

get · iOS 12.0+

CTServiceRadioAccessTechnologyDidChange

TypeScript

get CTServiceRadioAccessTechnologyDidChange(): _Foundation_NSNotification_Name

Swift declaration

static let CTServiceRadioAccessTechnologyDidChange: NSNotification.Name

get · iOS 7.0+ · Deprecated in iOS 12.1

CTSubscriberTokenRefreshed

TypeScript

const CTSubscriberTokenRefreshed: string

Swift declaration

let CTSubscriberTokenRefreshed: String

get

kCTErrorDomainMach

TypeScript

const kCTErrorDomainMach: number

Swift declaration

var kCTErrorDomainMach: Int { get }

get

kCTErrorDomainNoError

TypeScript

const kCTErrorDomainNoError: number

Swift declaration

var kCTErrorDomainNoError: Int { get }

get

kCTErrorDomainPOSIX

TypeScript

const kCTErrorDomainPOSIX: number

Swift declaration

var kCTErrorDomainPOSIX: Int { get }

Skipped declarations

1 declarations were excluded from these bindings. Each reason comes from the generator or the iOS SDK compiler.

NotificationCenter.MessageIdentifier.radioAccessTechnologyDidChange

Static protocol requirements cannot be called through an instance.