# JMRTCDelegate Protocol Reference

Conforms to	NSObject
Declared in	JMRTCDelegate.h

### – onCallOutgoing: 通话邀请已发出 - (void)onCallOutgoing:(JMRTCSession *)callSession #### Parameters

callSession	通话实体对象

#### Discussion 在成功调用 [JMRTCClient startCallUsers:mediaType:handler:] 接口之后，会触发这个回调 #### Declared In JMRTCDelegate.h ### – onCallReceiveInvite: 收到通话邀请 - (void)onCallReceiveInvite:(JMRTCSession *)callSession #### Parameters

callSession	通话实体对象

#### Discussion 被邀请者收到通话邀请，会触发此回调 #### Declared In JMRTCDelegate.h ### – onCallConnecting: 通话正在连接 - (void)onCallConnecting:(JMRTCSession *)callSession #### Parameters

callSession	通话实体对象

#### Discussion 被邀请方调用 [JMRTCSession accept:] 接口之后，会触发此回调 #### Declared In JMRTCDelegate.h ### – onCallConnected: 通话连接已建立 - (void)onCallConnected:(JMRTCSession *)callSession #### Parameters

callSession	通话实体对象

#### Discussion 当被邀请方有任意一方成功调用 [JMRTCSession accept:] 接受邀请后，邀请方和接受方都会触发此回调通知上层通信连接已建立 #### Declared In JMRTCDelegate.h ### – onCallMemberJoin: 有用户加入通话 - (void)onCallMemberJoin:(JMSGUser *)joinUser #### Parameters

joinUser	加入的用户的用户信息

#### Declared In JMRTCDelegate.h ### – onCallDisconnect:disconnectReason: 通话断开 - (void)onCallDisconnect:(JMRTCSession *)callSession disconnectReason:(JMRTCDisconnectReason)reason #### Parameters

callSession	通话实体对象
reason	断开原因

#### Discussion 连接主动断开或异常断开时会触发此回调，断开原因请查看的 JMRTCDisconnectReason #### Declared In JMRTCDelegate.h ### – onCallMemberLeave:reason: 有用户离开 - (void)onCallMemberLeave:(JMSGUser *)leaveUser reason:(JMRTCDisconnectReason)reason #### Parameters

leaveUser	退出通话的用户的用户信息
reason	退出原因

#### Discussion 不管是正在被邀请的用户离开，还是已经加入通话的用户离开，都会触发这个回调 #### Declared In JMRTCDelegate.h ### – onCallOtherUserInvited:fromUser: 通话过程中，有其他用户被邀请 - (void)onCallOtherUserInvited:(NSArray<__kindofJMSGUser*> *)invitedUsers fromUser:(JMSGUser *)fromUser #### Parameters

invitedUsers	被邀请方用户信息集合
fromUser	邀请发起方用户信息

#### Declared In JMRTCDelegate.h ### – onCallError: 通话过程中发生错误 - (void)onCallError:(NSError *)error #### Parameters

error	错误信息

#### Discussion 错误具体情况请查看 error 的错误码和描述信息 #### Declared In JMRTCDelegate.h ### – onCallUserVideoStreamEnabled:byUser: 远端用户开启/关闭视频流 - (void)onCallUserVideoStreamEnabled:(BOOL)enabled byUser:(JMSGUser *)user #### Parameters

enabled	开启/关闭
user	远端用户

#### Declared In JMRTCDelegate.h