VIClient

Interface that may be used to connect, login to the Voximplant CLoud, make and receive audio and video calls.

Methods

Future<VICall> call(String number, VICallSettings? settings)

Creates a new VICall instance and starts the outgoing call.

Throws VIException, if the client is not logged in, otherwise returns VICall instance.

Errors:

ERROR_CLIENT_NOT_LOGGED_IN - If the client is not logged in
ERROR_MISSING_PERMISSION - Android only. If permissions are not granted for the call: audio calls - RECORD_AUDIO video calls - RECORD_AUDIO and CAMERA

Parameters

number:
String
The call destination that might be Voximplant username, phone number or SIP URI. Actual routing is then performed by a VoxEngine scenario.
settings:
VICallSettings?
Optional
Additional call parameters like video direction for the call, preferred video codec, custom data.

Returns

type:
Future<VICall>

Future<VICall> conference(String conference, VICallSettings? settings)

Creates a new VICall instance and starts the conference.

Throws VIException, if the client is not logged in, otherwise returns VICall instance.

Errors:

ERROR_CLIENT_NOT_LOGGED_IN - If the client is not logged in
ERROR_MISSING_PERMISSION - Android only. If permissions are not granted for the call: audio calls - RECORD_AUDIO video calls - RECORD_AUDIO and CAMERA

Parameters

conference:
String
The call destination. For SIP compatibility reasons it should be a non-empty string even if the number itself is not used by a Voximplant cloud scenario.
settings:
VICallSettings?
Optional
Additional call parameters like video direction for the call, preferred video codec, custom data.

Returns

type:
Future<VICall>

Future<void> connect({VINode node, bool connectivityCheck = false, List<String>? servers})

Connects to the Voximplant Cloud.

Checks whether UDP traffic will flow correctly between device and the Voximplant Cloud if [connectivityCheck] is enabled (disabled by default).

Throws VIException if the connection to the Voximplant Cloud could not be established.

Errors:

ERROR_CONNECTION_FAILED - If the connection is currently establishing or already established, or an error occurred.

Parameters

node:
VINode
Specifies the node the Voximplant account belongs to.
connectivityCheck:
bool
Optional
Checks whether UDP traffic will flow correctly between device and Voximplant cloud. This check reduces connection speed.
servers:
List<String>?
Optional
List of server names of particular media gateways for connection.

Returns

type:
Future<void>

Future<void> disconnect()

Closes the connection with the Voximplant Cloud.

Returns

type:
Future<void>

Future<VIClientState> getClientState()

Returns the current client state

Returns

type:
Future<VIClientState>

Future<void> handlePushNotification(Map<String, dynamic> message)

Handles incoming push notification.

Throws VIException, if [message] is null.

Errors:

ERROR_INVALID_ARGUMENTS - If [message] is null.

Parameters

message:
Map<String, dynamic>
Incoming push notification payload

Returns

type:
Future<void>

Future<VIAuthResult> login(String username, String password)

Logs in a user with the given Voximplant username and password.

Throws VIException, if login process failed, otherwise returns VIAuthResult.

Errors:

ERROR_ACCOUNT_FROZEN - If the account is frozen.
ERROR_MAU_ACCESS_DENIED - Monthly Active Users (MAU) limit is reached. Payment is required.
ERROR_INTERNAL - If an internal error occurred.
ERROR_INVALID_PASSWORD - if the given password is invalid.
ERROR_INVALID_STATE - If the client is not connected, already logged in, or currently logging in.
ERROR_INVALID_USERNAME - If the given username is invalid.
ERROR_NETWORK_ISSUES - If the connection to the Voximplant Cloud is closed while the client is logging in.
ERROR_TIMEOUT - If timeout occurred.

Parameters

username:
String
Full user name, including Voximplant user, application, and account name in the format user@application.account.voximplant.com.
password:
String
User password.

Returns

type:
Future<VIAuthResult>

Future<VIAuthResult> loginWithAccessToken(String username, String token)

Logs in a user with the given Voximplant username and access token.

Throws VIException, if login process failed, otherwise returns VIAuthResult.

Errors:

ERROR_ACCOUNT_FROZEN - If the account is frozen.
ERROR_INTERNAL - If an internal error occurred.
ERROR_INVALID_STATE - If the client is not connected, already logged in, or currently logging in.
ERROR_INVALID_USERNAME - If the given username is invalid.
ERROR_NETWORK_ISSUES - If the connection to the Voximplant Cloud is closed while the client is logging in.
ERROR_TIMEOUT - If timeout occurred.
ERROR_TOKEN_EXPIRED - If the access token is expired.

Parameters

username:
String
Full user name, including Voximplant user, application, and account name in the format user@application.account.voximplant.com.
token:
String
Access token that was obtained from VIAuthResult.loginTokens after previous successful login.

Returns

type:
Future<VIAuthResult>

Future<VIAuthResult> loginWithOneTimeKey(String username, String hash)

Logs in a user with the given Voximplant username and one time key that was generated before.

Throws VIException, if login process failed, otherwise returns VIAuthResult.

Errors:

ERROR_ACCOUNT_FROZEN - If the account is frozen.
ERROR_MAU_ACCESS_DENIED - Monthly Active Users (MAU) limit is reached. Payment is required.
ERROR_INTERNAL - If an internal error occurred.
ERROR_INVALID_PASSWORD - if the given password is invalid.
ERROR_INVALID_STATE - If the client is not connected, already logged in, or currently logging in.
ERROR_INVALID_USERNAME - If the given username is invalid.
ERROR_NETWORK_ISSUES - If the connection to the Voximplant Cloud is closed while the client is logging in.
ERROR_TIMEOUT - If timeout occurred.

Parameters

username:
String
Full user name, including Voximplant user, application, and account name in the format user@application.account.voximplant.com.
hash:
String
Hash that was generated using following formula: MD5(oneTimeKey+"|"+MD5(user+":voximplant.com:"+password)).

Returns

type:
Future<VIAuthResult>

Future<void> registerForPushNotifications(String pushToken)

Registers for VoIP push notification with the given token.

Application will receive push notifications from Voximplant Server after first login.

Throws VIException, if [pushToken] is null.

Errors:

ERROR_INVALID_ARGUMENTS - If [pushToken] is null.

Parameters

pushToken:
String
Push notification token.

Returns

type:
Future<void>

Future<void> registerIMPushNotificationsTokenIOS(String imToken)

After calling this function application will receive push notifications from Voximplant Server. If the provided token is not nil, but the client is not logged in, the token will be registered just after login.

IOS ONLY.

Parameters

imToken:
String
The APNS token for IM push notification.

Returns

type:
Future<void>

Future<String> requestOneTimeLoginKey(String username)

Generates one time login key for the given Voximplant username.

Throws VIException, if an error occurred, otherwise returns one time key.

Errors:

ERROR_ACCOUNT_FROZEN - If the account is frozen.
ERROR_INTERNAL - If an internal error occurred.
ERROR_INVALID_STATE - If the client is not connected, already logged in, or currently logging in.
ERROR_INVALID_USERNAME - If the given username is invalid.
ERROR_NETWORK_ISSUES - If the connection to the Voximplant Cloud is closed while the client is logging in.
ERROR_TIMEOUT - If timeout occurred.

Parameters

username:
String
Full user name, including Voximplant user, application, and account name in the format user@application.account.voximplant.com.

Returns

type:
Future<String>

Future<VILoginTokens> tokenRefresh(String username, String token)

Performs refresh of access token for the given Voximplant username using refresh token.

Throws VIException, if refresh process failed, otherwise returns new tokens.

Errors:

ERROR_ACCOUNT_FROZEN - If the account is frozen.
ERROR_INTERNAL - If an internal error occurred.
ERROR_INVALID_STATE - If the client is not connected, already logged in, or currently logging in.
ERROR_INVALID_USERNAME - If the given username is invalid.
ERROR_NETWORK_ISSUES - If the connection to the Voximplant Cloud is closed while the client is logging in.
ERROR_TIMEOUT - If timeout occurred.
ERROR_TOKEN_EXPIRED - If the refresh token is expired.

Parameters

username:
String
Full user name, including Voximplant user, application, and account name in the format user@application.account.voximplant.com.
token:
String
Refresh token can be obtained from VIAuthResult.loginTokens after previous successful login.

Returns

type:
Future<VILoginTokens>

Future<void> unregisterFromPushNotifications(String pushToken)

Unregisters from VoIP push notifications.

Application will no longer receive push notifications from Voximplant Server.

Throws VIException, if [pushToken] is null.

Errors:

ERROR_INVALID_ARGUMENTS - If [pushToken] is null.

Parameters

pushToken:
String
Push notification token.

Returns

type:
Future<void>

Future<void> unregisterIMPushNotificationsTokenIOS(String imToken)

Unregister Apple Push Notifications token.

After calling this function application stops receive push notifications from Voximplant Server. If the provided token is not nil, but the client is not logged in, the token will be unregistered just after login.

IOS ONLY.

Parameters

imToken:
String
The APNS token for IM push notification.

Returns

type:
Future<void>

Props

Stream<VIClientState> clientStateStream

Receive VIClientState each time the state is changed.

Returns

type:
Stream<VIClientState>

VIIncomingCall? onIncomingCall

Callback for getting notified about new incoming call.

Returns

type:
VIIncomingCall?

VIPushDidExpire? onPushDidExpire

Callback for getting notified when push notification is expired.

Returns

type:
VIPushDidExpire?

Methods

call

Parameters

number:

settings:

Returns

type:

conference

Parameters

conference:

settings:

Returns

type:

connect

Parameters

node:

connectivityCheck:

servers:

Returns

type:

disconnect

Returns

type:

getClientState

Returns

type:

handlePushNotification

Parameters

message:

Returns

type:

login

Parameters

username:

password:

Returns

type:

loginWithAccessToken

Parameters

username:

token:

Returns

type:

loginWithOneTimeKey

Parameters

username:

hash:

Returns

type:

registerForPushNotifications

Parameters

pushToken:

Returns

type:

registerIMPushNotificationsTokenIOS

Parameters

imToken:

Returns

type:

requestOneTimeLoginKey

Parameters

username:

Returns

type:

tokenRefresh

Parameters

username:

token:

Returns

type:

unregisterFromPushNotifications

Parameters

pushToken:

Returns

type:

unregisterIMPushNotificationsTokenIOS

Parameters

imToken:

Returns

type: