diff options
Diffstat (limited to 'channels/chan_sip.c')
| -rw-r--r-- | channels/chan_sip.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/channels/chan_sip.c b/channels/chan_sip.c index 15984fb0e..0e8c24a01 100644 --- a/channels/chan_sip.c +++ b/channels/chan_sip.c @@ -807,10 +807,12 @@ struct sip_auth { #define SIP_PAGE2_UDPTL_DESTINATION (1 << 28) /*!< 28: Use source IP of RTP as destination if NAT is enabled */ #define SIP_PAGE2_DIALOG_ESTABLISHED (1 << 29) /*!< 29: Has a dialog been established? */ #define SIP_PAGE2_RPORT_PRESENT (1 << 30) /*!< 30: Was rport received in the Via header? */ +#define SIP_PAGE2_CONSTANT_SSRC (1 << 31) /*!< 31: Don't change SSRC on reinvite */ #define SIP_PAGE2_FLAGS_TO_COPY \ (SIP_PAGE2_ALLOWSUBSCRIBE | SIP_PAGE2_ALLOWOVERLAP | SIP_PAGE2_VIDEOSUPPORT | \ - SIP_PAGE2_T38SUPPORT | SIP_PAGE2_RFC2833_COMPENSATE | SIP_PAGE2_BUGGY_MWI | SIP_PAGE2_UDPTL_DESTINATION) + SIP_PAGE2_T38SUPPORT | SIP_PAGE2_RFC2833_COMPENSATE | SIP_PAGE2_BUGGY_MWI | \ + SIP_PAGE2_UDPTL_DESTINATION | SIP_PAGE2_CONSTANT_SSRC) /* SIP packet flags */ #define SIP_PKT_DEBUG (1 << 0) /*!< Debug this packet */ @@ -2939,6 +2941,9 @@ static int create_addr_from_peer(struct sip_pvt *dialog, struct sip_peer *peer) ast_rtp_set_rtptimeout(dialog->rtp, peer->rtptimeout); ast_rtp_set_rtpholdtimeout(dialog->rtp, peer->rtpholdtimeout); ast_rtp_set_rtpkeepalive(dialog->rtp, peer->rtpkeepalive); + if (ast_test_flag(&dialog->flags[1], SIP_PAGE2_CONSTANT_SSRC)) { + ast_rtp_set_constantssrc(dialog->rtp); + } /* Set Frame packetization */ ast_rtp_codec_setpref(dialog->rtp, &dialog->prefs); dialog->autoframing = peer->autoframing; @@ -2949,6 +2954,9 @@ static int create_addr_from_peer(struct sip_pvt *dialog, struct sip_peer *peer) ast_rtp_set_rtptimeout(dialog->vrtp, peer->rtptimeout); ast_rtp_set_rtpholdtimeout(dialog->vrtp, peer->rtpholdtimeout); ast_rtp_set_rtpkeepalive(dialog->vrtp, peer->rtpkeepalive); + if (ast_test_flag(&dialog->flags[1], SIP_PAGE2_CONSTANT_SSRC)) { + ast_rtp_set_constantssrc(dialog->vrtp); + } } ast_string_field_set(dialog, peername, peer->name); @@ -14854,6 +14862,7 @@ static int handle_request_invite(struct sip_pvt *p, struct sip_request *req, int sip_scheddestroy(p, DEFAULT_TRANS_TIMEOUT); return -1; } + ast_queue_control(p->owner, AST_CONTROL_SRCUPDATE); } else { p->jointcapability = p->capability; if (option_debug > 2) @@ -14908,6 +14917,14 @@ static int handle_request_invite(struct sip_pvt *p, struct sip_request *req, int ast_log(LOG_DEBUG, "No compatible codecs for this SIP call.\n"); return -1; } + if (ast_test_flag(&p->flags[1], SIP_PAGE2_CONSTANT_SSRC)) { + if (p->rtp) { + ast_rtp_set_constantssrc(p->rtp); + } + if (p->vrtp) { + ast_rtp_set_constantssrc(p->vrtp); + } + } } else { /* No SDP in invite, call control session */ p->jointcapability = p->capability; if (option_debug > 1) @@ -17366,6 +17383,9 @@ static int handle_common_options(struct ast_flags *flags, struct ast_flags *mask } else if (!strcasecmp(v->name, "t38pt_usertpsource")) { ast_set_flag(&mask[1], SIP_PAGE2_UDPTL_DESTINATION); ast_set2_flag(&flags[1], ast_true(v->value), SIP_PAGE2_UDPTL_DESTINATION); + } else if (!strcasecmp(v->name, "constantssrc")) { + ast_set_flag(&mask[1], SIP_PAGE2_CONSTANT_SSRC); + ast_set2_flag(&flags[1], ast_true(v->value), SIP_PAGE2_CONSTANT_SSRC); } else res = 0; @@ -18422,6 +18442,8 @@ static int reload_config(enum channelreloadreason reason) default_maxcallbitrate = DEFAULT_MAX_CALL_BITRATE; } else if (!strcasecmp(v->name, "matchexterniplocally")) { global_matchexterniplocally = ast_true(v->value); + } else if (!strcasecmp(v->name, "constantssrc")) { + ast_set2_flag(&global_flags[1], ast_true(v->value), SIP_PAGE2_CONSTANT_SSRC); } } |