TVOCall Class Reference

Inherits from NSObject
Declared in TVOCall.h

Overview

The TVOCall class represents a bi-directional voice Call. TVOCall objects are not created directly; they are returned by [TVOCallInvite acceptWithOptions:delegate:] or [TwilioVoice connectWithOptions:delegate:].

CallKit specific additions.

Properties

  from

From value of the Call.

@property (nonatomic, strong, readonly, nullable) NSString *from

Discussion

This may be nil if the call object was created by calling the [TwilioVoice connectWithOptions:delegate:] method.

Declared In

TVOCall.h

  to

To value of the Call.

@property (nonatomic, strong, readonly, nullable) NSString *to

Discussion

This may be nil if the call object was created by calling the [TwilioVoice connectWithOptions:delegate:] method.

Declared In

TVOCall.h

  sid

A server assigned identifier (SID) for the Call.

@property (nonatomic, strong, readonly, nonnull) NSString *sid

Discussion

A SID is a globally unique identifier which can be very useful for debugging Call traffic. The Call sid may be nil until the call is in TVOCallStateRinging state.

Declared In

TVOCall.h

  muted

Property that defines if the Call is muted.

@property (nonatomic, assign, getter=isMuted) BOOL muted

Discussion

The Voice SDK’s media engine will start sending silent audio frames when the Call is muted. Setting the property will only take effect if the state is TVOCallStateConnected.

Declared In

TVOCall.h

  state

The current state of the Call.

@property (nonatomic, assign, readonly) TVOCallState state

Discussion

All TVOCall instances start in TVOCallStateConnecting and end in TVOCallStateDisconnected. After creation, a Call will transition to TVOCallStateConnected if successful or TVOCallStateDisconnected if the connection attempt fails.

See Also

Declared In

TVOCall.h

  onHold

Property that defines if the Call is on hold.

@property (nonatomic, getter=isOnHold) BOOL onHold

Discussion

If the Call is on hold, The Voice SDK’s media engine will send silent audio frames to the remote party, and remote party’s audio playback will be disabled.

Declared In

TVOCall.h

General Call Actions

– disconnect

Disconnects the Call.

- (void)disconnect

Discussion

Calling this method on a TVOCall that is in the state TVOCallStateDisconnected has no effect.

Declared In

TVOCall.h

– sendDigits:

Send a string of digits.

- (void)sendDigits:(nonnull NSString *)digits

Parameters

digits

A string of characters to be played. Valid values are ‘0’ - ‘9’, ‘*’, ‘#’, and ‘w’. Each ‘w’ will cause a 500 ms pause between digits sent.

Discussion

Calling this method on a TVOCall that is not in the state TVOCallStateConnected has no effect.

Declared In

TVOCall.h

– getStatsWithBlock:

Retrieve stats for the audio track.

- (void)getStatsWithBlock:(nonnull TVOCallGetStatsBlock)block

Parameters

block

The block to be invoked when the stats are available.

Declared In

TVOCall.h

CallKit Methods

  uuid

A unique identifier for the Call.

@property (nonatomic, strong, readonly, nonnull) NSUUID *uuid

Discussion

Use this UUID as an argument to CallKit methods. You can provide a UUID for outgoing calls using [TwilioVoice connectWithOptions:delegate:]. Calls created via [TVOCallInvite acceptWithOptions:delegate:] inherit their uuid from the Invite itself.

Declared In

TVOCall.h