diff -upr pidgin-2.10.1.orig/configure.ac pidgin-2.10.1/configure.ac
--- pidgin-2.10.1.orig/configure.ac	2011-12-06 10:44:32.000000000 +0200
+++ pidgin-2.10.1/configure.ac	2012-03-10 18:21:12.000000000 +0200
@@ -786,18 +786,18 @@ else
 fi
 
 dnl #######################################################################
-dnl # Check for Farsight
+dnl # Check for Farstream
 dnl #######################################################################
-AC_ARG_ENABLE(farsight,
-	[AC_HELP_STRING([--disable-farsight], [compile without farsight support])],
-	enable_farsight="$enableval", enable_farsight="yes")
-if test "x$enable_farsight" != "xno"; then
-	PKG_CHECK_MODULES(FARSIGHT, [farsight2-0.10 >= 0.0.9], [
-		AC_DEFINE(USE_FARSIGHT, 1, [Use Farsight for voice and video])
-		AC_SUBST(FARSIGHT_CFLAGS)
-		AC_SUBST(FARSIGHT_LIBS)
+AC_ARG_ENABLE(farstream,
+	[AC_HELP_STRING([--disable-farstream], [compile without farstream support])],
+	enable_farstream="$enableval", enable_farstream="yes")
+if test "x$enable_farstream" != "xno"; then
+	PKG_CHECK_MODULES(FARSTREAM, [farstream-0.1], [
+		AC_DEFINE(USE_FARSTREAM, 1, [Use Farstream for voice and video])
+		AC_SUBST(FARSTREAM_CFLAGS)
+		AC_SUBST(FARSTREAM_LIBS)
 	], [
-		enable_farsight="no"
+		enable_farstream="no"
 	])
 fi
 
@@ -808,20 +808,20 @@ AC_ARG_ENABLE(vv,
 	[AC_HELP_STRING([--disable-vv], [compile without voice and video support])],
 	enable_vv="$enableval", enable_vv="yes")
 if test "x$enable_vv" != "xno"; then
-	if test "x$enable_gstreamer" != "xno" -a "x$enable_gstinterfaces" != "xno" -a "x$enable_farsight" != "xno"; then
+	if test "x$enable_gstreamer" != "xno" -a "x$enable_gstinterfaces" != "xno" -a "x$enable_farstream" != "xno"; then
 		AC_DEFINE(USE_VV, 1, [Use voice and video])
 	else
 		enable_vv="no"
 		if test "x$force_deps" = "xyes"; then
 			AC_MSG_ERROR([
 Dependencies for voice/video were not met.
-Install the necessary gstreamer and farsight packages first.
+Install the necessary gstreamer and farstream packages first.
 Or use --disable-vv if you do not need voice/video support.
 			])
 		fi
 	fi
 fi
-AM_CONDITIONAL(USE_VV, test "x$enable_gstreamer" != "xno" -a "x$enable_gstinterfaces" != "xno" -a "x$enable_farsight" != "xno")
+AM_CONDITIONAL(USE_VV, test "x$enable_gstreamer" != "xno" -a "x$enable_gstinterfaces" != "xno" -a "x$enable_farstream" != "xno")
 
 dnl #######################################################################
 dnl # Check for Internationalized Domain Name support
diff -upr pidgin-2.10.1.orig/libpurple/Makefile.am pidgin-2.10.1/libpurple/Makefile.am
--- pidgin-2.10.1.orig/libpurple/Makefile.am	2011-12-06 10:44:33.000000000 +0200
+++ pidgin-2.10.1/libpurple/Makefile.am	2012-03-10 18:21:19.000000000 +0200
@@ -306,7 +306,7 @@ libpurple_la_LIBADD = \
 	$(LIBXML_LIBS) \
 	$(NETWORKMANAGER_LIBS) \
 	$(INTLLIBS) \
-	$(FARSIGHT_LIBS) \
+	$(FARSTREAM_LIBS) \
 	$(GSTREAMER_LIBS) \
 	$(GSTINTERFACES_LIBS) \
 	$(IDN_LIBS) \
@@ -322,7 +322,7 @@ AM_CPPFLAGS = \
 	$(DEBUG_CFLAGS) \
 	$(DBUS_CFLAGS) \
 	$(LIBXML_CFLAGS) \
-	$(FARSIGHT_CFLAGS) \
+	$(FARSTREAM_CFLAGS) \
 	$(GSTREAMER_CFLAGS) \
 	$(GSTINTERFACES_CFLAGS) \
 	$(IDN_CFLAGS) \
diff -upr pidgin-2.10.1.orig/libpurple/media/backend-fs2.c pidgin-2.10.1/libpurple/media/backend-fs2.c
--- pidgin-2.10.1.orig/libpurple/media/backend-fs2.c	2011-12-06 10:44:33.000000000 +0200
+++ pidgin-2.10.1/libpurple/media/backend-fs2.c	2012-03-10 18:21:19.000000000 +0200
@@ -1,5 +1,5 @@
 /**
- * @file backend-fs2.c Farsight 2 backend for media API
+ * @file backend-fs2.c Farstream backend for media API
  * @ingroup core
  */
 
@@ -34,8 +34,9 @@
 #include "network.h"
 #include "media-gst.h"
 
-#include <gst/farsight/fs-conference-iface.h>
-#include <gst/farsight/fs-element-added-notifier.h>
+#include <farstream/fs-conference.h>
+#include <farstream/fs-element-added-notifier.h>
+#include <farstream/fs-utils.h>
 
 /** @copydoc _PurpleMediaBackendFs2Class */
 typedef struct _PurpleMediaBackendFs2Class PurpleMediaBackendFs2Class;
@@ -112,6 +113,8 @@ struct _PurpleMediaBackendFs2Stream
 	gchar *participant;
 	FsStream *stream;
 
+        gboolean supports_add;
+
 	GstElement *src;
 	GstElement *tee;
 	GstElement *volume;
@@ -147,6 +150,8 @@ struct _PurpleMediaBackendFs2Private
 	FsConference *conference;
 	gchar *conference_type;
 
+        FsElementAddedNotifier *notifier;
+
 	GHashTable *sessions;
 	GHashTable *participants;
 
@@ -212,6 +217,11 @@ purple_media_backend_fs2_dispose(GObject
 
 	purple_debug_info("backend-fs2", "purple_media_backend_fs2_dispose\n");
 
+	if (priv->notifier) {
+		g_object_unref(priv->notifier);
+		priv->notifier = NULL;
+	}
+
 	if (priv->confbin) {
 		GstElement *pipeline;
 
@@ -846,7 +856,7 @@ gst_handle_message_element(GstBus *bus,
 			priv->conference != FS_CONFERENCE(src))
 		return;
 
-	if (gst_structure_has_name(msg->structure, "farsight-error")) {
+	if (gst_structure_has_name(msg->structure, "farstream-error")) {
 		FsError error_no;
 		gst_structure_get_enum(msg->structure, "error-no",
 				FS_TYPE_ERROR, (gint*)&error_no);
@@ -867,16 +877,9 @@ gst_handle_message_element(GstBus *bus,
 						" strict."));
 				purple_media_end(priv->media, NULL, NULL);
 				break;
-			case FS_ERROR_UNKNOWN_CNAME:
-			/*
-			 * Unknown CName is only a problem for the
-			 * multicast transmitter which isn't used.
-			 * It is also deprecated.
-			 */
-				break;
 			default:
 				purple_debug_error("backend-fs2",
-						"farsight-error: %i: %s\n",
+						"farstream-error: %i: %s\n",
 						error_no,
 					  	gst_structure_get_string(
 						msg->structure, "error-msg"));
@@ -885,11 +888,11 @@ gst_handle_message_element(GstBus *bus,
 
 		if (FS_ERROR_IS_FATAL(error_no)) {
 			purple_media_error(priv->media, _("A non-recoverable "
-					"Farsight2 error has occurred."));
+					"Farstream error has occurred."));
 			purple_media_end(priv->media, NULL, NULL);
 		}
 	} else if (gst_structure_has_name(msg->structure,
-			"farsight-new-local-candidate")) {
+			"farstream-new-local-candidate")) {
 		const GValue *value;
 		FsStream *stream;
 		FsCandidate *local_candidate;
@@ -924,7 +927,7 @@ gst_handle_message_element(GstBus *bus,
 				session->id, name, candidate);
 		g_object_unref(candidate);
 	} else if (gst_structure_has_name(msg->structure,
-			"farsight-local-candidates-prepared")) {
+			"farstream-local-candidates-prepared")) {
 		const GValue *value;
 		FsStream *stream;
 		FsParticipant *participant;
@@ -942,7 +945,7 @@ gst_handle_message_element(GstBus *bus,
 		g_signal_emit_by_name(self, "candidates-prepared",
 				session->id, name);
 	} else if (gst_structure_has_name(msg->structure,
-			"farsight-new-active-candidate-pair")) {
+			"farstream-new-active-candidate-pair")) {
 		const GValue *value;
 		FsStream *stream;
 		FsCandidate *local_candidate;
@@ -976,7 +979,7 @@ gst_handle_message_element(GstBus *bus,
 		g_object_unref(lcandidate);
 		g_object_unref(rcandidate);
 	} else if (gst_structure_has_name(msg->structure,
-			"farsight-recv-codecs-changed")) {
+			"farstream-recv-codecs-changed")) {
 		const GValue *value;
 		GList *codecs;
 		FsCodec *codec;
@@ -986,10 +989,10 @@ gst_handle_message_element(GstBus *bus,
 		codec = codecs->data;
 
 		purple_debug_info("backend-fs2",
-				"farsight-recv-codecs-changed: %s\n",
+				"farstream-recv-codecs-changed: %s\n",
 				codec->encoding_name);
 	} else if (gst_structure_has_name(msg->structure,
-			"farsight-component-state-changed")) {
+			"farstream-component-state-changed")) {
 		const GValue *value;
 		FsStreamState fsstate;
 		guint component;
@@ -1025,11 +1028,11 @@ gst_handle_message_element(GstBus *bus,
 		}
 
 		purple_debug_info("backend-fs2",
-				"farsight-component-state-changed: "
+				"farstream-component-state-changed: "
 				"component: %u state: %s\n",
 				component, state);
 	} else if (gst_structure_has_name(msg->structure,
-			"farsight-send-codec-changed")) {
+			"farstream-send-codec-changed")) {
 		const GValue *value;
 		FsCodec *codec;
 		gchar *codec_str;
@@ -1039,12 +1042,12 @@ gst_handle_message_element(GstBus *bus,
 		codec_str = fs_codec_to_string(codec);
 
 		purple_debug_info("backend-fs2",
-				"farsight-send-codec-changed: codec: %s\n",
+				"farstream-send-codec-changed: codec: %s\n",
 				codec_str);
 
 		g_free(codec_str);
 	} else if (gst_structure_has_name(msg->structure,
-			"farsight-codecs-changed")) {
+			"farstream-codecs-changed")) {
 		const GValue *value;
 		FsSession *fssession;
 		GList *sessions;
@@ -1220,8 +1223,12 @@ stream_info_cb(PurpleMedia *media, Purpl
 				purple_media_is_initiator(media, sid, name))
 			return;
 
-		fs_stream_set_remote_candidates(stream->stream,
-				stream->remote_candidates, &err);
+		if (stream->supports_add)
+		  fs_stream_add_remote_candidates(stream->stream,
+			  	stream->remote_candidates, &err);
+		else
+		  fs_stream_force_remote_candidates(stream->stream,
+			  	stream->remote_candidates, &err);
 
 		if (err == NULL)
 			return;
@@ -1301,6 +1308,7 @@ init_conference(PurpleMediaBackendFs2 *s
 	GstElement *pipeline;
 	GstBus *bus;
 	gchar *name;
+	GKeyFile *default_props;
 
 	priv->conference = FS_CONFERENCE(
 			gst_element_factory_make(priv->conference_type, NULL));
@@ -1343,6 +1351,14 @@ init_conference(PurpleMediaBackendFs2 *s
 		return FALSE;
 	}
 
+	default_props = fs_utils_get_default_element_properties(GST_ELEMENT(priv->conference));
+	if (default_props != NULL) {
+		priv->notifier = fs_element_added_notifier_new();
+		fs_element_added_notifier_add(priv->notifier,
+					      GST_BIN(priv->confbin));
+		fs_element_added_notifier_set_properties_from_keyfile(priv->notifier, default_props);
+	}
+
 	g_signal_connect(G_OBJECT(bus), "message",
 			G_CALLBACK(gst_bus_cb), self);
 	gst_object_unref(bus);
@@ -1559,7 +1575,7 @@ create_session(PurpleMediaBackendFs2 *se
 	 * receiving the src-pad-added signal.
 	 * Only works for non-multicast FsRtpSessions.
 	 */
-	if (is_nice || !strcmp(transmitter, "rawudp"))
+	if (!!strcmp(transmitter, "multicast"))
 		g_object_set(G_OBJECT(session->session),
 				"no-rtcp-timeout", 0, NULL);
 
@@ -1612,7 +1628,7 @@ create_participant(PurpleMediaBackendFs2
 	GError *err = NULL;
 
 	participant = fs_conference_new_participant(
-			priv->conference, name, &err);
+			priv->conference, &err);
 
 	if (err) {
 		purple_debug_error("backend-fs2",
@@ -1622,6 +1638,12 @@ create_participant(PurpleMediaBackendFs2
 		return FALSE;
 	}
 
+	if (g_object_class_find_property(G_OBJECT_GET_CLASS(participant),
+					 "cname")) {
+	  g_object_set(participant, "cname", name, NULL);
+	}
+
+
 	if (!priv->participants) {
 		purple_debug_info("backend-fs2",
 				"Creating hash table for participants\n");
@@ -1786,6 +1808,40 @@ create_stream(PurpleMediaBackendFs2 *sel
 		}
 	}
 
+
+	session = get_session(self, sess_id);
+
+	if (session == NULL) {
+		purple_debug_error("backend-fs2",
+				"Couldn't find session to create stream.\n");
+		return FALSE;
+	}
+
+	participant = get_participant(self, who);
+
+	if (participant == NULL) {
+		purple_debug_error("backend-fs2", "Couldn't find "
+				"participant to create stream.\n");
+		return FALSE;
+	}
+
+	fsstream = fs_session_new_stream(session->session, participant,
+			initiator == TRUE ? type_direction :
+			(type_direction & FS_DIRECTION_RECV), &err);
+
+	if (fsstream == NULL) {
+		if (err) {
+			purple_debug_error("backend-fs2",
+					"Error creating stream: %s\n",
+					err && err->message ?
+					err->message : "NULL");
+			g_error_free(err);
+		} else
+			purple_debug_error("backend-fs2",
+					"Error creating stream\n");
+		return FALSE;
+	}
+
 	memcpy(_params, params, sizeof(GParameter) * num_params);
 
 	/* set the controlling mode parameter */
@@ -1840,45 +1896,22 @@ create_stream(PurpleMediaBackendFs2 *sel
 		_num_params++;
 	}
 
-	session = get_session(self, sess_id);
 
-	if (session == NULL) {
-		purple_debug_error("backend-fs2",
-				"Couldn't find session to create stream.\n");
-		return FALSE;
-	}
-
-	participant = get_participant(self, who);
-
-	if (participant == NULL) {
-		purple_debug_error("backend-fs2", "Couldn't find "
-				"participant to create stream.\n");
-		return FALSE;
+	if(!fs_stream_set_transmitter(fsstream, transmitter,
+				      _params, _num_params, &err)) {
+	     purple_debug_error("backend-fs2", "Could not set transmitter %s: %s.\n", transmitter, err->message);
+	     g_clear_error(&err);
+	     g_free(_params);
+	     return FALSE;
 	}
-
-	fsstream = fs_session_new_stream(session->session, participant,
-			initiator == TRUE ? type_direction :
-			(type_direction & FS_DIRECTION_RECV), transmitter,
-			_num_params, _params, &err);
 	g_free(_params);
 
-	if (fsstream == NULL) {
-		if (err) {
-			purple_debug_error("backend-fs2",
-					"Error creating stream: %s\n",
-					err && err->message ?
-					err->message : "NULL");
-			g_error_free(err);
-		} else
-			purple_debug_error("backend-fs2",
-					"Error creating stream\n");
-		return FALSE;
-	}
 
 	stream = g_new0(PurpleMediaBackendFs2Stream, 1);
 	stream->participant = g_strdup(who);
 	stream->session = session;
 	stream->stream = fsstream;
+	stream->supports_add = !strcmp(transmitter, "nice");
 
 	priv->streams =	g_list_append(priv->streams, stream);
 
@@ -1991,7 +2024,11 @@ purple_media_backend_fs2_add_remote_cand
 	if (purple_media_is_initiator(priv->media, sess_id, participant) ||
 			purple_media_accepted(
 			priv->media, sess_id, participant)) {
-		fs_stream_set_remote_candidates(stream->stream,
+  	        if (stream->supports_add)
+		     fs_stream_add_remote_candidates(stream->stream,
+				stream->remote_candidates, &err);
+		else
+		     fs_stream_force_remote_candidates(stream->stream,
 				stream->remote_candidates, &err);
 
 		if (err) {
diff -upr pidgin-2.10.1.orig/libpurple/media.c pidgin-2.10.1/libpurple/media.c
--- pidgin-2.10.1.orig/libpurple/media.c	2011-12-06 10:44:33.000000000 +0200
+++ pidgin-2.10.1/libpurple/media.c	2012-03-10 18:21:19.000000000 +0200
@@ -1067,7 +1067,6 @@ purple_media_add_stream(PurpleMedia *med
 {
 #ifdef USE_VV
 	PurpleMediaSession *session;
-	PurpleMediaStream *stream = NULL;
 
 	g_return_val_if_fail(PURPLE_IS_MEDIA(media), FALSE);
 
@@ -1103,7 +1102,7 @@ purple_media_add_stream(PurpleMedia *med
 	}
 
 	if (purple_media_get_stream(media, sess_id, who) == NULL) {
-		stream = purple_media_insert_stream(session, who, initiator);
+		purple_media_insert_stream(session, who, initiator);
 
 		g_signal_emit(media, purple_media_signals[STATE_CHANGED],
 				0, PURPLE_MEDIA_STATE_NEW,
diff -upr pidgin-2.10.1.orig/libpurple/mediamanager.c pidgin-2.10.1/libpurple/mediamanager.c
--- pidgin-2.10.1.orig/libpurple/mediamanager.c	2011-12-06 10:44:33.000000000 +0200
+++ pidgin-2.10.1/libpurple/mediamanager.c	2012-03-10 18:27:05.000000000 +0200
@@ -39,7 +39,7 @@
 #ifdef USE_VV
 #include <media/backend-fs2.h>
 
-#include <gst/farsight/fs-element-added-notifier.h>
+#include <farstream/fs-element-added-notifier.h>
 #include <gst/interfaces/xoverlay.h>
 
 /** @copydoc _PurpleMediaManagerPrivate */