<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;">Hi,   This may be a gstreamer problem but, it happens only with telepathy-farsight. I found that the gstreamer is working properly in other media functions. So, posting in telepathy list. I am trying a gtalk call with telepathy-qt4 call example. When I tried to call, the window simply shows call terminated. And on the console, I see these errors. Did anybody face this before? Please let me know what is the mistake I did in gstreamer installation. Telepathy-Qt4 (version 0.2.2) DEBUG:  Group: Self handle 1 tracked: yes Telepathy-Qt4 (version 0.2.2) DEBUG: ReadinessHelper::setIntrospectCompleted: feature: QPair("Tp::Channel",0) - success: true (lt-call:26952): GStreamer-CRITICAL **: gst_object_ref: assertion `object != NULL' failed (lt-call:26952): GStreamer-CRITICAL **: gst_object_sink: assertion `GST_IS_OBJECT (object)' failed (lt-call:26952): GStreamer-CRITICAL **: gst_bin_add_many: assertion `GST_IS_ELEMENT (element_1)' failed (lt-call:26952): GStreamer-CRITICAL **: gst_element_link_many: assertion `GST_IS_ELEMENT (element_1)' failed (lt-call:26952): GStreamer-CRITICAL **: gst_object_ref: assertion `object != NULL' failed (lt-call:26952): GStreamer-CRITICAL **: gst_object_sink: assertion `GST_IS_OBJECT (object)' failed ** (lt-call:26952): DEBUG: GetSessionHandlers returned 0 sessions Telepathy-Qt4 (version 0.2.2) DEBUG: No interface found for "org.freedesktop.Telepathy.Channel.Type.StreamedMedia" Telepathy-Qt4 (version 0.2.2) DEBUG: Caching interface "org.freedesktop.Telepathy.Channel.Type.StreamedMedia" Telepathy-Qt4 (version 0.2.2) DEBUG: Got reply to StreamedMedia::ListStreams() Telepathy-Qt4 (version 0.2.2) DEBUG: ReadinessHelper::setIntrospectCompleted: feature: QPair("Tp::StreamedMediaChannel",0) - success: true CallWidget::onChannelReady: number of streams: 0 CallWidget::onBtnSendAudioToggled: checked: true CallWidget::onBtnSendAudioToggled: creating audio stream Telepathy-Qt4 (version 0.2.2) DEBUG: Returning cached interface for "org.freedesktop.Telepathy.Channel.Type.StreamedMedia" Telepathy-Qt4 (version 0.2.2) DEBUG: ReadinessHelper: supportedStatuses = QSet() Telepathy-Qt4 (version 0.2.2) DEBUG: ReadinessHelper: supportedFeatures = QSet() Telepathy-Qt4 (version 0.2.2) DEBUG: ReadinessHelper: new supportedStatuses = QSet(0) Telepathy-Qt4 (version 0.2.2) DEBUG: ReadinessHelper: new supportedFeatures = QSet(QPair("Tp::MediaStream",0) ) Telepathy-Qt4 (version 0.2.2) DEBUG: Got reply to StreamedMedia::RequestStreams() Telepathy-Qt4 (version 0.2.2) DEBUG: StreamedMediaChannel::onStreamDirectionChanged: stream 1 direction changed to 3 Telepathy-Qt4 (version 0.2.2) DEBUG: StreamedMediaChannel::onStreamStateChanged: stream 1 state changed to 0 ** (lt-call:26952): DEBUG: adding session handler /org/freedesktop/Telepathy/Connection/gabble/jabber/sai_2epolycom_40gmail_2ecom_2fTelepathy/MediaChannel0/MediaSession2, type rtp ** (lt-call:26952): DEBUG: calling MediaSessionHandler::Ready ** (lt-call:26952): DEBUG: _tf_session_dispose ** (lt-call:26952): WARNING **: failed to create session: Could not create GstRtpBin Telepathy-Qt4 (version 0.2.2) DEBUG: StreamedMediaChannel::onStreamRemoved: stream 1 removed Telepathy-Qt4 (version 0.2.2) DEBUG: Got Channel.Interface.Group::MembersChanged with 0 added, 1 removed, 0 moved to LP, 0 moved to RP, 1 being the actor, 0 the reason and "" the message Telepathy-Qt4 (version 0.2.2) DEBUG:  synthesizing a corresponding MembersChangedDetailed signal Telepathy-Qt4 (version 0.2.2) DEBUG: Got Channel.Interface.Group::MembersChangedDetailed with 0 added, 1 removed, 0 moved to LP, 0 moved to RP and with 2 details Telepathy-Qt4 (version 0.2.2) DEBUG: Building contacts for 2 handles with 0 features Telepathy-Qt4 (version 0.2.2) DEBUG:   1 satisfying and 0 other contacts Telepathy-Qt4 (version 0.2.2) DEBUG:   0 features missing Telepathy-Qt4 (version 0.2.2) DEBUG: Got Channel::Closed Telepathy-Qt4 (version 0.2.2) DEBUG: proxy invalidated: "org.freedesktop.Telepathy.Error.Cancelled": "" Telepathy-Qt4 (version 0.2.2) DEBUG: Building contacts for 1 handles with 0 features Telepathy-Qt4 (version 0.2.2) DEBUG:   1 satisfying and 0 other contacts Telepathy-Qt4 (version 0.2.2) DEBUG:   0 features missing Telepathy-Qt4 (version 0.2.2) DEBUG: Entering Chan::Priv::updateContacts() with 2 contacts Telepathy-Qt4 (version 0.2.2) DEBUG: Both the MCD and the introspect queue empty for the first time. Ready! Telepathy-Qt4 (version 0.2.2) DEBUG: Channel fully ready Telepathy-Qt4 (version 0.2.2) DEBUG:  Channel type "org.freedesktop.Telepathy.Channel.Type.StreamedMedia" Telepathy-Qt4 (version 0.2.2) DEBUG:  Target handle 2 Telepathy-Qt4 (version 0.2.2) DEBUG:  Target handle type 1 Telepathy-Qt4 (version 0.2.2) DEBUG:  Group: flags 2049 Telepathy-Qt4 (version 0.2.2) DEBUG:  Group: Number of handle owner mappings 0 Telepathy-Qt4 (version 0.2.2) DEBUG:  Group: Number of current members 0 Telepathy-Qt4 (version 0.2.2) DEBUG:  Group: Number of local pending members 0 Telepathy-Qt4 (version 0.2.2) DEBUG:  Group: Number of remote pending members 0 Telepathy-Qt4 (version 0.2.2) DEBUG:  Group: Self handle 1 tracked: yes Telepathy-Qt4 (version 0.2.2) DEBUG: ReadinessHelper::setIntrospectCompleted: feature: QPair("Tp::MediaStream",0) - success: true Thanks, Sai </td></tr></table>