diff --git a/include/linphone/api/c-chat-message.h b/include/linphone/api/c-chat-message.h
index f028464a2..1cd3dbd21 100644
--- a/include/linphone/api/c-chat-message.h
+++ b/include/linphone/api/c-chat-message.h
@@ -369,6 +369,8 @@ LINPHONE_PUBLIC const char* linphone_chat_message_get_text_content(const Linphon
  */
 LINPHONE_PUBLIC bool_t linphone_chat_message_is_file_transfer_in_progress(LinphoneChatMessage *msg);
 
+LINPHONE_PUBLIC bctbx_list_t *linphone_chat_message_get_participants_in_state (const LinphoneChatMessage *msg, const LinphoneChatMessageState state);
+
 /**
  * @}
  */
diff --git a/src/c-wrapper/api/c-chat-message.cpp b/src/c-wrapper/api/c-chat-message.cpp
index 902055f9a..a616a9659 100644
--- a/src/c-wrapper/api/c-chat-message.cpp
+++ b/src/c-wrapper/api/c-chat-message.cpp
@@ -31,6 +31,7 @@
 #include "chat/notification/imdn.h"
 #include "content/content-type.h"
 #include "content/content.h"
+#include "conference/participant.h"
 
 // =============================================================================
 
@@ -246,6 +247,10 @@ bool_t linphone_chat_message_is_file_transfer_in_progress(LinphoneChatMessage *m
 	return L_GET_CPP_PTR_FROM_C_OBJECT(msg)->isFileTransferInProgress();
 }
 
+bctbx_list_t *linphone_chat_message_get_participants_in_state (const LinphoneChatMessage *msg, const LinphoneChatMessageState state) {
+	return L_GET_RESOLVED_C_LIST_FROM_CPP_LIST(L_GET_PRIVATE_FROM_C_OBJECT(msg)->getParticipantsInState((LinphonePrivate::ChatMessage::State) state));
+}
+
 // =============================================================================
 // Old listener
 // =============================================================================
diff --git a/src/chat/chat-message/chat-message-p.h b/src/chat/chat-message/chat-message-p.h
index b665e0d1f..4c957ed71 100644
--- a/src/chat/chat-message/chat-message-p.h
+++ b/src/chat/chat-message/chat-message-p.h
@@ -59,6 +59,7 @@ public:
 	void setDirection (ChatMessage::Direction dir);
 
 	void setParticipantState (const IdentityAddress &participantAddress, ChatMessage::State newState);
+	std::list<std::shared_ptr<Participant>> getParticipantsInState (const ChatMessage::State state) const;
 	void setState (ChatMessage::State newState, bool force = false);
 
 	void setTime (time_t time);
diff --git a/src/chat/chat-message/chat-message.cpp b/src/chat/chat-message/chat-message.cpp
index eb2d1f029..0fcde7521 100644
--- a/src/chat/chat-message/chat-message.cpp
+++ b/src/chat/chat-message/chat-message.cpp
@@ -34,6 +34,7 @@
 #include "chat/modifier/encryption-chat-message-modifier.h"
 #include "chat/modifier/file-transfer-chat-message-modifier.h"
 #include "chat/modifier/multipart-chat-message-modifier.h"
+#include "conference/participant.h"
 #include "content/file-content.h"
 #include "content/content.h"
 #include "core/core.h"
@@ -122,6 +123,29 @@ void ChatMessagePrivate::setParticipantState (const IdentityAddress &participant
 		setState(ChatMessage::State::DeliveredToUser);
 }
 
+list<shared_ptr<Participant>> ChatMessagePrivate::getParticipantsInState (const ChatMessage::State state) const {
+	L_Q();
+
+	list<shared_ptr<Participant>> participantsInState;
+	if (!(q->getChatRoom()->getCapabilities() & AbstractChatRoom::Capabilities::Conference) || !dbKey.isValid()) {
+		return participantsInState;
+	}
+
+	unique_ptr<MainDb> &mainDb = q->getChatRoom()->getCore()->getPrivate()->mainDb;
+	shared_ptr<EventLog> eventLog = mainDb->getEventFromKey(dbKey);
+	list<IdentityAddress> addressesInState = mainDb->getChatMessageParticipantsInState(eventLog, state);
+	const list<shared_ptr<Participant>> &participants = q->getChatRoom()->getParticipants();
+	for (IdentityAddress addr : addressesInState) {
+		for (const auto &participant : participants) {
+			if (participant->getAddress() == addr) {
+				participantsInState.push_back(participant);
+			}
+		}
+	}
+	
+	return participantsInState;
+}
+
 void ChatMessagePrivate::setState (ChatMessage::State newState, bool force) {
 	L_Q();
 
diff --git a/src/chat/chat-message/chat-message.h b/src/chat/chat-message/chat-message.h
index 961455882..2b53bda7d 100644
--- a/src/chat/chat-message/chat-message.h
+++ b/src/chat/chat-message/chat-message.h
@@ -39,6 +39,7 @@ class AbstractChatRoom;
 class Content;
 class FileTransferContent;
 class ChatMessagePrivate;
+class Participant;
 
 class LINPHONE_PUBLIC ChatMessage : public Object, public CoreAccessor {
 	friend class BasicToClientGroupChatRoom;
diff --git a/src/db/main-db.cpp b/src/db/main-db.cpp
index 983630099..e6cfd375d 100644
--- a/src/db/main-db.cpp
+++ b/src/db/main-db.cpp
@@ -1970,6 +1970,30 @@ list<ChatMessage::State> MainDb::getChatMessageParticipantStates (const shared_p
 	};
 }
 
+list<IdentityAddress> MainDb::getChatMessageParticipantsInState (const shared_ptr<EventLog> &eventLog, const ChatMessage::State state) const {
+	return L_DB_TRANSACTION {
+		L_D();
+
+		const EventLogPrivate *dEventLog = eventLog->getPrivate();
+		MainDbKeyPrivate *dEventKey = static_cast<MainDbKey &>(dEventLog->dbKey).getPrivate();
+		const long long &eventId = dEventKey->storageId;
+
+		int stateInt = static_cast<int>(state);
+		list<IdentityAddress> participantsAddresses;
+
+		static const string query = "SELECT sip_address.value"
+					" FROM sip_address, chat_message_participant"
+					" WHERE event_id = :eventId AND state = :state"
+					" AND sip_address.id = chat_message_participant.participant_sip_address_id";
+		soci::rowset<soci::row> rows = (d->dbSession.getBackendSession()->prepare << query, soci::use(eventId), soci::use(stateInt));
+		for (const auto &row : rows) {
+			participantsAddresses.push_back(IdentityAddress(row.get<string>(0)));
+		}
+
+		return participantsAddresses;
+	};
+}
+
 ChatMessage::State MainDb::getChatMessageParticipantState (
 	const shared_ptr<EventLog> &eventLog,
 	const IdentityAddress &participantAddress
diff --git a/src/db/main-db.h b/src/db/main-db.h
index f0f4b6f06..ae46a5e3e 100644
--- a/src/db/main-db.h
+++ b/src/db/main-db.h
@@ -91,6 +91,7 @@ public:
 	std::list<std::shared_ptr<ChatMessage>> getUnreadChatMessages (const ChatRoomId &chatRoomId) const;
 
 	std::list<ChatMessage::State> getChatMessageParticipantStates (const std::shared_ptr<EventLog> &eventLog) const;
+	std::list<IdentityAddress> getChatMessageParticipantsInState (const std::shared_ptr<EventLog> &eventLog, const ChatMessage::State state) const;
 	ChatMessage::State getChatMessageParticipantState (
 		const std::shared_ptr<EventLog> &eventLog,
 		const IdentityAddress &participantAddress