syntax = "proto2"; package MMPro.micromsg; import "BaseRequest.proto"; message VoipHeartBeatReq { required BaseRequest _BaseRequest = 1; required int32 _RoomId = 2; required int64 _RoomKey = 3; optional uint32 _Timestamp = 4; optional uint64 _Timestamp64 = 5; optional int32 _ConnectionType = 6; }