diff --git a/coreapi/callbacks.c b/coreapi/callbacks.c
index 9b49492b4..78b2c35cc 100644
--- a/coreapi/callbacks.c
+++ b/coreapi/callbacks.c
@@ -721,10 +721,25 @@ static void refer_received(SalOp *op, const SalAddress *refer_to){
 		LinphonePrivate::Address addr(sal_address_as_string(refer_to));
 		if (addr.isValid()) {
 			LinphoneCore *lc = reinterpret_cast<LinphoneCore *>(op->get_sal()->get_user_pointer());
-			if (addr.hasParam("admin")) {
+			if (addr.hasUriParam("method") && (addr.getUriParamValue("method") == "BYE")) {
+				// The server asks a participant to leave a chat room
+				LinphoneChatRoom *cr = _linphone_core_find_group_chat_room(lc, addr.asStringUriOnly().c_str());
+				if (cr) {
+					L_GET_CPP_PTR_FROM_C_OBJECT(cr)->leave();
+					static_cast<SalReferOp *>(op)->reply(SalReasonNone);
+					return;
+				}
+				static_cast<SalReferOp *>(op)->reply(SalReasonDeclined);
+			} else if (addr.hasParam("admin")) {
 				LinphoneChatRoom *cr = _linphone_core_find_group_chat_room(lc, op->get_to());
 				if (cr) {
-					std::shared_ptr<Participant> participant = L_GET_CPP_PTR_FROM_C_OBJECT(cr)->findParticipant(addr);
+					Address fromAddr(op->get_from());
+					std::shared_ptr<Participant> participant = L_GET_CPP_PTR_FROM_C_OBJECT(cr)->findParticipant(fromAddr);
+					if (!participant || !participant->isAdmin()) {
+						static_cast<SalReferOp *>(op)->reply(SalReasonDeclined);
+						return;
+					}
+					participant = L_GET_CPP_PTR_FROM_C_OBJECT(cr)->findParticipant(addr);
 					if (participant) {
 						bool value = Utils::stob(addr.getParamValue("admin"));
 						L_GET_CPP_PTR_FROM_C_OBJECT(cr)->setParticipantAdminStatus(participant, value);
diff --git a/coreapi/linphonecore.c b/coreapi/linphonecore.c
index cfdb0e84e..143dc746d 100644
--- a/coreapi/linphonecore.c
+++ b/coreapi/linphonecore.c
@@ -7105,15 +7105,32 @@ bool_t _linphone_core_has_group_chat_room(const LinphoneCore *lc, const char *id
 }
 
 void _linphone_core_add_group_chat_room(LinphoneCore *lc, const LinphonePrivate::Address &addr, LinphoneChatRoom *cr) {
-	Address cleanedAddr = addr;
+	Address cleanedAddr(addr);
+	cleanedAddr.clean();
 	cleanedAddr.setPort(0);
 	bctbx_pair_t *pair = reinterpret_cast<bctbx_pair_t *>(bctbx_pair_cchar_new(cleanedAddr.asStringUriOnly().c_str(), linphone_chat_room_ref(cr)));
 	bctbx_map_cchar_insert_and_delete(lc->group_chat_rooms, pair);
 }
 
+void _linphone_core_remove_group_chat_room(LinphoneCore *lc, LinphoneChatRoom *cr) {
+	const LinphoneAddress *confAddr = linphone_chat_room_get_conference_address(cr);
+	Address cleanedAddr(*L_GET_CPP_PTR_FROM_C_OBJECT(confAddr));
+	cleanedAddr.clean();
+	cleanedAddr.setPort(0);
+	bctbx_iterator_t *it = bctbx_map_cchar_find_key(lc->group_chat_rooms, cleanedAddr.asStringUriOnly().c_str());
+	bctbx_iterator_t *endit = bctbx_map_cchar_end(lc->group_chat_rooms);
+	if (!bctbx_iterator_cchar_equals(it, endit)) {
+		bctbx_map_cchar_erase(lc->group_chat_rooms, it);
+		linphone_chat_room_unref(cr);
+	}
+	bctbx_iterator_cchar_delete(endit);
+	bctbx_iterator_cchar_delete(it);
+}
+
 LinphoneChatRoom *_linphone_core_find_group_chat_room(const LinphoneCore *lc, const char *id) {
 	LinphoneChatRoom *result = nullptr;
 	Address cleanedAddr(id);
+	cleanedAddr.clean();
 	cleanedAddr.setPort(0);
 	bctbx_iterator_t *it = bctbx_map_cchar_find_key(lc->group_chat_rooms, cleanedAddr.asStringUriOnly().c_str());
 	bctbx_iterator_t *endit = bctbx_map_cchar_end(lc->group_chat_rooms);
diff --git a/coreapi/private.h b/coreapi/private.h
index ca1d8cf20..9e8c32bb0 100644
--- a/coreapi/private.h
+++ b/coreapi/private.h
@@ -449,8 +449,9 @@ bool_t linphone_core_incompatible_security(LinphoneCore *lc, SalMediaDescription
 extern LinphonePrivate::Sal::Callbacks linphone_sal_callbacks;
 LINPHONE_PUBLIC bool_t linphone_core_rtcp_enabled(const LinphoneCore *lc);
 LINPHONE_PUBLIC bool_t linphone_core_symmetric_rtp_enabled(LinphoneCore*lc);
-bool_t _linphone_core_has_group_chat_room(const LinphoneCore *lc, const char *id);
-void _linphone_core_add_group_chat_room(LinphoneCore *lc, const LinphonePrivate::Address &addr, LinphoneChatRoom *cr);
+bool_t _linphone_core_has_group_chat_room (const LinphoneCore *lc, const char *id);
+void _linphone_core_add_group_chat_room (LinphoneCore *lc, const LinphonePrivate::Address &addr, LinphoneChatRoom *cr);
+void _linphone_core_remove_group_chat_room(LinphoneCore *lc, LinphoneChatRoom *cr);
 
 void linphone_core_queue_task(LinphoneCore *lc, belle_sip_source_func_t task_fun, void *data, const char *task_description);
 
diff --git a/src/chat/client-group-chat-room.cpp b/src/chat/client-group-chat-room.cpp
index ce02a4563..fb7270231 100644
--- a/src/chat/client-group-chat-room.cpp
+++ b/src/chat/client-group-chat-room.cpp
@@ -150,11 +150,22 @@ void ClientGroupChatRoom::leave () {
 }
 
 void ClientGroupChatRoom::removeParticipant (const shared_ptr<const Participant> &participant) {
-	// TODO
+	L_D();
+	SalReferOp *referOp = new SalReferOp(d->core->sal);
+	LinphoneAddress *lAddr = linphone_address_new(conferenceAddress.asString().c_str());
+	linphone_configure_op(d->core, referOp, lAddr, nullptr, false);
+	linphone_address_unref(lAddr);
+	Address referToAddr = participant->getAddress();
+	referToAddr.setParam("text");
+	referToAddr.setUriParam("method", "BYE");
+	referToAddr.setDomain("");
+	referToAddr.setPort(-1);
+	referOp->send_refer(referToAddr.getPrivate()->getInternalAddress());
+	referOp->unref();
 }
 
 void ClientGroupChatRoom::removeParticipants (const list<shared_ptr<Participant>> &participants) {
-	// TODO
+	RemoteConference::removeParticipants(participants);
 }
 
 void ClientGroupChatRoom::setParticipantAdminStatus (shared_ptr<Participant> &participant, bool isAdmin) {
@@ -231,7 +242,7 @@ void ClientGroupChatRoom::onParticipantAdded (const Address &addr) {
 void ClientGroupChatRoom::onParticipantRemoved (const Address &addr) {
 	shared_ptr<Participant> participant = findParticipant(addr);
 	if (!participant) {
-		lWarning() << "Participant " << participant << " removed but is not in the list of participants!";
+		lWarning() << "Participant " << addr.asString() << " removed but not in the list of participants!";
 		return;
 	}
 	LinphoneChatRoom *cr = L_GET_C_BACK_PTR(this);
@@ -315,9 +326,8 @@ void ClientGroupChatRoom::onCallSessionStateChanged (const std::shared_ptr<const
 			focus->getPrivate()->getSession()->terminate();
 		}
 	} else {
-		if ((state == LinphoneCallReleased) && (d->state == ChatRoom::State::TerminationPending)) {
+		if ((state == LinphoneCallReleased) && (d->state == ChatRoom::State::TerminationPending))
 			onConferenceTerminated(conferenceAddress);
-		}
 	}
 }