diff options
Diffstat (limited to 'channels/chan_sip.c')
| -rw-r--r-- | channels/chan_sip.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/channels/chan_sip.c b/channels/chan_sip.c index 92b2f3d8a..7940b0157 100644 --- a/channels/chan_sip.c +++ b/channels/chan_sip.c @@ -5061,6 +5061,7 @@ static int dialog_initialize_rtp(struct sip_pvt *dialog) } ast_rtp_instance_set_timeout(dialog->vrtp, global_rtptimeout); ast_rtp_instance_set_hold_timeout(dialog->vrtp, global_rtpholdtimeout); + ast_rtp_instance_set_keepalive(dialog->vrtp, global_rtpholdtimeout); ast_rtp_instance_set_prop(dialog->vrtp, AST_RTP_PROPERTY_RTCP, 1); } @@ -5071,12 +5072,14 @@ static int dialog_initialize_rtp(struct sip_pvt *dialog) } ast_rtp_instance_set_timeout(dialog->trtp, global_rtptimeout); ast_rtp_instance_set_hold_timeout(dialog->trtp, global_rtpholdtimeout); + ast_rtp_instance_set_keepalive(dialog->trtp, global_rtpholdtimeout); ast_rtp_instance_set_prop(dialog->trtp, AST_RTP_PROPERTY_RTCP, 1); } ast_rtp_instance_set_timeout(dialog->rtp, global_rtptimeout); ast_rtp_instance_set_hold_timeout(dialog->rtp, global_rtpholdtimeout); + ast_rtp_instance_set_keepalive(dialog->rtp, global_rtpkeepalive); ast_rtp_instance_set_prop(dialog->rtp, AST_RTP_PROPERTY_RTCP, 1); ast_rtp_instance_set_prop(dialog->rtp, AST_RTP_PROPERTY_DTMF, ast_test_flag(&dialog->flags[0], SIP_DTMF) == SIP_DTMF_RFC2833); @@ -5144,6 +5147,7 @@ static int create_addr_from_peer(struct sip_pvt *dialog, struct sip_peer *peer) ast_rtp_instance_set_prop(dialog->rtp, AST_RTP_PROPERTY_DTMF_COMPENSATE, ast_test_flag(&dialog->flags[1], SIP_PAGE2_RFC2833_COMPENSATE)); ast_rtp_instance_set_timeout(dialog->rtp, peer->rtptimeout); ast_rtp_instance_set_hold_timeout(dialog->rtp, peer->rtpholdtimeout); + ast_rtp_instance_set_keepalive(dialog->rtp, peer->rtpkeepalive); /* Set Frame packetization */ ast_rtp_codecs_packetization_set(ast_rtp_instance_get_codecs(dialog->rtp), dialog->rtp, &dialog->prefs); dialog->autoframing = peer->autoframing; @@ -5151,10 +5155,12 @@ static int create_addr_from_peer(struct sip_pvt *dialog, struct sip_peer *peer) if (dialog->vrtp) { /* Video */ ast_rtp_instance_set_timeout(dialog->vrtp, peer->rtptimeout); ast_rtp_instance_set_hold_timeout(dialog->vrtp, peer->rtpholdtimeout); + ast_rtp_instance_set_keepalive(dialog->vrtp, peer->rtpkeepalive); } if (dialog->trtp) { /* Realtime text */ ast_rtp_instance_set_timeout(dialog->trtp, peer->rtptimeout); ast_rtp_instance_set_hold_timeout(dialog->trtp, peer->rtpholdtimeout); + ast_rtp_instance_set_keepalive(dialog->trtp, peer->rtpkeepalive); } /* XXX TODO: get fields directly from peer only as they are needed using dialog->relatedpeer */ @@ -25396,11 +25402,19 @@ static void check_rtp_timeout(struct sip_pvt *dialog, time_t t) } /* If we have no timers set, return now */ - if (!ast_rtp_instance_get_timeout(dialog->rtp) && !ast_rtp_instance_get_hold_timeout(dialog->rtp)) { + if (!ast_rtp_instance_get_keepalive(dialog->rtp) && !ast_rtp_instance_get_timeout(dialog->rtp) && !ast_rtp_instance_get_hold_timeout(dialog->rtp)) { dialog_unlink_rtpcheck(dialog); return; } + /* Check AUDIO RTP keepalives */ + if (dialog->lastrtptx && ast_rtp_instance_get_keepalive(dialog->rtp) && + (t > dialog->lastrtptx + ast_rtp_instance_get_keepalive(dialog->rtp))) { + /* Need to send an empty RTP packet */ + dialog->lastrtptx = time(NULL); + ast_rtp_instance_sendcng(dialog->rtp, 0); + } + /*! \todo Check video RTP keepalives Do we need to move the lastrtptx to the RTP structure to have one for audio and one |