const char *val;
const char *b_sdp = NULL;
int is_proxy = 0;
+ int is_3pcc_proxy = 0;
int is_3pcc = 0;
char *sticky = NULL;
const char *call_info = switch_channel_get_variable(channel, "presence_call_info_full");
b_sdp = switch_channel_get_variable(channel, SWITCH_B_SDP_VARIABLE);
switch_core_media_set_local_sdp(session, b_sdp, SWITCH_TRUE);
- switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "3PCC-PROXY nomedia - sending ack\n");
+ switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "3PCC-PROXY nomedia - sending ack, SDP:\n%s\n", tech_pvt->mparams.local_sdp_str);
+
nua_ack(tech_pvt->nh,
TAG_IF(!zstr(tech_pvt->user_via), SIPTAG_VIA_STR(tech_pvt->user_via)),
SIPTAG_CONTACT_STR(tech_pvt->reply_contact),
b_sdp = switch_channel_get_variable(channel, SWITCH_B_SDP_VARIABLE);
is_proxy = (switch_channel_test_flag(channel, CF_PROXY_MODE) || switch_channel_test_flag(channel, CF_PROXY_MEDIA));
- is_3pcc = (sofia_test_pflag(tech_pvt->profile, PFLAG_3PCC_PROXY) && sofia_test_flag(tech_pvt, TFLAG_3PCC));
+ is_3pcc_proxy = (sofia_test_pflag(tech_pvt->profile, PFLAG_3PCC_PROXY) && sofia_test_flag(tech_pvt, TFLAG_3PCC));
+ is_3pcc = (!sofia_test_pflag(tech_pvt->profile, PFLAG_3PCC_PROXY) && sofia_test_flag(tech_pvt, TFLAG_3PCC));
- if (b_sdp && is_proxy && !is_3pcc) {
+ if (b_sdp && is_proxy && !is_3pcc_proxy) {
switch_core_media_set_local_sdp(session, b_sdp, SWITCH_TRUE);
if (switch_channel_test_flag(channel, CF_PROXY_MEDIA)) {
}
} else {
/* This if statement check and handles the 3pcc proxy mode */
+
if (is_3pcc) {
+ switch_core_media_prepare_codecs(tech_pvt->session, SWITCH_TRUE);
+ tech_pvt->mparams.local_sdp_str = NULL;
+ switch_core_media_choose_port(tech_pvt->session, SWITCH_MEDIA_TYPE_AUDIO, 0);
+ switch_core_media_gen_local_sdp(session, SDP_TYPE_RESPONSE, NULL, 0, NULL, 0);
+ } else if (is_3pcc_proxy) {
if (!(sofia_test_pflag(tech_pvt->profile, PFLAG_3PCC_PROXY))) {
switch_channel_set_flag(channel, CF_3PCC);
}
- if (!is_proxy) {
- switch_core_media_prepare_codecs(tech_pvt->session, SWITCH_TRUE);
- tech_pvt->mparams.local_sdp_str = NULL;
-
- switch_core_media_choose_port(tech_pvt->session, SWITCH_MEDIA_TYPE_AUDIO, 0);
- switch_core_media_gen_local_sdp(session, SDP_TYPE_RESPONSE, NULL, 0, NULL, 0);
- } else {
- switch_core_media_set_local_sdp(session, b_sdp, SWITCH_TRUE);
+ switch_core_media_set_local_sdp(session, b_sdp, SWITCH_TRUE);
- if (switch_channel_test_flag(channel, CF_PROXY_MEDIA)) {
- switch_core_media_patch_sdp(tech_pvt->session);
- if (sofia_media_activate_rtp(tech_pvt) != SWITCH_STATUS_SUCCESS) {
- return SWITCH_STATUS_FALSE;
- }
+ if (switch_channel_test_flag(channel, CF_PROXY_MEDIA)) {
+ switch_core_media_patch_sdp(tech_pvt->session);
+ if (sofia_media_activate_rtp(tech_pvt) != SWITCH_STATUS_SUCCESS) {
+ return SWITCH_STATUS_FALSE;
}
}
+ }
+ if (is_3pcc || is_3pcc_proxy) {
/* Send the 200 OK */
if (!sofia_test_flag(tech_pvt, TFLAG_BYE)) {
char *extra_headers = sofia_glue_get_extra_headers(channel, SOFIA_SIP_RESPONSE_HEADER_PREFIX);
+
if (sofia_use_soa(tech_pvt)) {
nua_respond(tech_pvt->nh, SIP_200_OK,
SIPTAG_HEADER_STR("X-FS-Support: " FREESWITCH_SUPPORT)), TAG_END());
}
- switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "3PCC-PROXY, Sent a 200 OK, waiting for ACK\n");
+
switch_safe_free(extra_headers);
}
- /* Unlock the session signal to allow the ack to make it in */
- // Maybe we should timeout?
- switch_mutex_unlock(tech_pvt->sofia_mutex);
+ if (is_3pcc_proxy) {
+ switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "3PCC-PROXY, Sent a 200 OK, waiting for ACK\n");
+ /* Unlock the session signal to allow the ack to make it in */
+ // Maybe we should timeout?
+ switch_mutex_unlock(tech_pvt->sofia_mutex);
- while (switch_channel_ready(channel) && !sofia_test_flag(tech_pvt, TFLAG_3PCC_HAS_ACK)) {
- switch_cond_next();
- }
+ while (switch_channel_ready(channel) && !sofia_test_flag(tech_pvt, TFLAG_3PCC_HAS_ACK)) {
+ switch_cond_next();
+ }
- /* Regain lock on sofia */
- switch_mutex_lock(tech_pvt->sofia_mutex);
+ /* Regain lock on sofia */
+ switch_mutex_lock(tech_pvt->sofia_mutex);
- if(is_proxy) {
- sofia_clear_flag(tech_pvt, TFLAG_3PCC_HAS_ACK);
- sofia_clear_flag(tech_pvt, TFLAG_3PCC);
- // This sends the message to the other leg that causes it to call the TFLAG_3PCC_INVITE code at the start of this function.
- // Is there another message it would be better to hang this on though?
- switch_core_session_pass_indication(session, SWITCH_MESSAGE_INDICATE_ANSWER);
- }
+ if (is_proxy) {
+ sofia_clear_flag(tech_pvt, TFLAG_3PCC_HAS_ACK);
+ sofia_clear_flag(tech_pvt, TFLAG_3PCC);
+ switch_core_session_pass_indication(session, SWITCH_MESSAGE_INDICATE_ANSWER);
+ }
- switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "3PCC-PROXY, Done waiting for ACK\n");
- return SWITCH_STATUS_SUCCESS;
+ switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "3PCC-PROXY, Done waiting for ACK\n");
+ return SWITCH_STATUS_SUCCESS;
+ }
}
if ((is_proxy && !b_sdp) || sofia_test_flag(tech_pvt, TFLAG_LATE_NEGOTIATION) ||
case SWITCH_MESSAGE_INDICATE_MEDIA_REDIRECT:
{
+
+ if (zstr(msg->string_arg)) { /* no sdp requires proxy of ack */
+ switch_core_session_t *other_session;
+
+ if (switch_core_session_get_partner(session, &other_session) == SWITCH_STATUS_SUCCESS) {
+ if (switch_core_session_compare(session, other_session)) {
+ private_object_t *other_tech_pvt = switch_core_session_get_private(other_session);
+ sofia_set_flag(other_tech_pvt, TFLAG_PASS_ACK);
+ }
+ switch_core_session_rwunlock(other_session);
+ }
+ }
+
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "%s Sending media re-direct:\n%s\n",
- switch_channel_get_name(channel), msg->string_arg);
+ switch_channel_get_name(channel), switch_str_nil(msg->string_arg));
switch_core_media_set_local_sdp(session, msg->string_arg, SWITCH_TRUE);
if (zstr(tech_pvt->mparams.local_sdp_str)) {
switch_mutex_unlock(tech_pvt->sofia_mutex);
while (switch_channel_ready(channel) && !sofia_test_flag(tech_pvt, TFLAG_3PCC_HAS_ACK)) {
+ switch_ivr_parse_all_events(session);
switch_cond_next();
}
const char *val = NULL;
const char *call_info = switch_channel_get_variable(channel, "presence_call_info_full");
const char *b_sdp = NULL;
- int is_proxy = 0, is_3pcc = 0;
+ int is_proxy = 0, is_3pcc_proxy = 0;
int send_sip_code = 183;
const char * p_send_sip_msg = sip_183_Session_progress;
b_sdp = switch_channel_get_variable(channel, SWITCH_B_SDP_VARIABLE);
is_proxy = (switch_channel_test_flag(channel, CF_PROXY_MODE) || switch_channel_test_flag(channel, CF_PROXY_MEDIA));
- is_3pcc = (sofia_test_pflag(tech_pvt->profile, PFLAG_3PCC_PROXY) && sofia_test_flag(tech_pvt, TFLAG_3PCC));
+ is_3pcc_proxy = (sofia_test_pflag(tech_pvt->profile, PFLAG_3PCC_PROXY) && sofia_test_flag(tech_pvt, TFLAG_3PCC));
// send 180 instead of 183 if variable "early_use_180" is "true"
if (switch_true(switch_channel_get_variable(channel, "early_use_180"))) {
p_send_sip_msg = sip_180_Ringing;
}
- if (b_sdp && is_proxy && !is_3pcc) {
+ if (b_sdp && is_proxy && !is_3pcc_proxy) {
switch_core_media_set_local_sdp(session, b_sdp, SWITCH_TRUE);
if (switch_channel_test_flag(channel, CF_PROXY_MEDIA)) {
goto end_lock;
}
}
- } else {
- if (is_3pcc) {
- switch_channel_set_flag(channel, CF_3PCC);
-
- if(!is_proxy) {
- switch_core_media_prepare_codecs(tech_pvt->session, SWITCH_TRUE);
- tech_pvt->mparams.local_sdp_str = NULL;
-
- switch_core_media_choose_port(tech_pvt->session, SWITCH_MEDIA_TYPE_AUDIO, 0);
- switch_core_session_set_ice(session);
- switch_core_media_gen_local_sdp(session, SDP_TYPE_REQUEST, NULL , 0, NULL, 0);
- } else {
- switch_core_media_set_local_sdp(session, b_sdp, SWITCH_TRUE);
-
- if (switch_channel_test_flag(channel, CF_PROXY_MEDIA)) {
- switch_core_media_patch_sdp(tech_pvt->session);
- if (sofia_media_activate_rtp(tech_pvt) != SWITCH_STATUS_SUCCESS) {
- switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "failed to activate rtp\n");
- status = SWITCH_STATUS_FALSE;
- goto end_lock;
- }
- }
- }
- /* Send the 183 */
- if (!sofia_test_flag(tech_pvt, TFLAG_BYE)) {
- char *extra_headers = sofia_glue_get_extra_headers(channel, SOFIA_SIP_PROGRESS_HEADER_PREFIX);
- if (sofia_use_soa(tech_pvt)) {
-
- nua_respond(tech_pvt->nh, send_sip_code, p_send_sip_msg,
- TAG_IF(is_proxy, NUTAG_AUTOANSWER(0)),
- SIPTAG_CONTACT_STR(tech_pvt->profile->url),
- SOATAG_USER_SDP_STR(tech_pvt->mparams.local_sdp_str),
- TAG_IF(call_info, SIPTAG_CALL_INFO_STR(call_info)),
- SOATAG_REUSE_REJECTED(1),
- SOATAG_RTP_SELECT(1),
- SOATAG_AUDIO_AUX("cn telephone-event"), NUTAG_INCLUDE_EXTRA_SDP(1),
- TAG_IF(!zstr(extra_headers), SIPTAG_HEADER_STR(extra_headers)),
- TAG_IF(switch_stristr("update_display", tech_pvt->x_freeswitch_support_remote),
- SIPTAG_HEADER_STR("X-FS-Support: " FREESWITCH_SUPPORT)), TAG_END());
- } else {
- nua_respond(tech_pvt->nh, send_sip_code, p_send_sip_msg,
- NUTAG_MEDIA_ENABLE(0),
- SIPTAG_CONTACT_STR(tech_pvt->profile->url),
- TAG_IF(!zstr(extra_headers), SIPTAG_HEADER_STR(extra_headers)),
- TAG_IF(call_info, SIPTAG_CALL_INFO_STR(call_info)),
- SIPTAG_CONTENT_TYPE_STR("application/sdp"),
- SIPTAG_PAYLOAD_STR(tech_pvt->mparams.local_sdp_str),
- TAG_IF(switch_stristr("update_display", tech_pvt->x_freeswitch_support_remote),
- SIPTAG_HEADER_STR("X-FS-Support: " FREESWITCH_SUPPORT)), TAG_END());
- }
-
- switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "3PCC-PROXY, Sent a 183 SESSION PROGRESS, waiting for PRACK\n");
- switch_safe_free(extra_headers);
- }
-
- /* Unlock the session signal to allow the ack to make it in */
- // Maybe we should timeout?
- switch_mutex_unlock(tech_pvt->sofia_mutex);
-
- while (switch_channel_ready(channel) && !sofia_test_flag(tech_pvt, TFLAG_3PCC_HAS_ACK)) {
- switch_cond_next();
- }
-
- /* Regain lock on sofia */
- switch_mutex_lock(tech_pvt->sofia_mutex);
-
- if(is_proxy || !switch_channel_get_variable(channel, SWITCH_R_SDP_VARIABLE)) {
- sofia_clear_flag(tech_pvt, TFLAG_3PCC_HAS_ACK);
- sofia_clear_flag(tech_pvt, TFLAG_3PCC);
- // This sends the message to the other leg that causes it to call the TFLAG_3PCC_INVITE code at the start of this function.
- // Is there another message it would be better to hang this on though?
- switch_core_session_pass_indication(session, SWITCH_MESSAGE_INDICATE_ANSWER);
- }
-
- switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "3PCC-PROXY, Done waiting for PRACK\n");
- status = SWITCH_STATUS_SUCCESS;
- goto end_lock;
- }
}
if (!sofia_test_flag(tech_pvt, TFLAG_ANS) && !sofia_test_flag(tech_pvt, TFLAG_EARLY_MEDIA)) {
switch_safe_free(dup);
}
-static void tech_send_ack(nua_handle_t *nh, private_object_t *tech_pvt)
+static void tech_send_ack(nua_handle_t *nh, private_object_t *tech_pvt, const char *r_sdp)
{
const char *invite_full_from = switch_channel_get_variable(tech_pvt->channel, "sip_invite_full_from");
const char *invite_full_to = switch_channel_get_variable(tech_pvt->channel, "sip_invite_full_to");
-
+ int soa = sofia_use_soa(tech_pvt);
if (sofia_test_pflag(tech_pvt->profile, PFLAG_TRACK_CALLS)) {
const char *invite_full_via = switch_channel_get_variable(tech_pvt->channel, "sip_invite_full_via");
const char *invite_route_uri = switch_channel_get_variable(tech_pvt->channel, "sip_invite_route_uri");
+
nua_ack(nh,
TAG_IF(invite_full_from, SIPTAG_FROM_STR(invite_full_from)),
TAG_IF(invite_full_to, SIPTAG_TO_STR(invite_full_to)),
TAG_IF(!zstr(tech_pvt->user_via), SIPTAG_VIA_STR(tech_pvt->user_via)),
TAG_IF((zstr(tech_pvt->user_via) && !zstr(invite_full_via)), SIPTAG_VIA_STR(invite_full_via)),
TAG_IF(!zstr(invite_route_uri), SIPTAG_ROUTE_STR(invite_route_uri)),
+ TAG_IF(r_sdp && soa, SOATAG_USER_SDP_STR(r_sdp)),
+ TAG_IF(r_sdp && soa, SOATAG_REUSE_REJECTED(1)),
+ TAG_IF(r_sdp && soa, SOATAG_AUDIO_AUX("cn telephone-event")),
+ TAG_IF(r_sdp && !soa, SIPTAG_CONTENT_TYPE_STR("application/sdp")),
+ TAG_IF(r_sdp && !soa, SIPTAG_PAYLOAD_STR(r_sdp)),
+ TAG_IF(r_sdp && !soa, NUTAG_MEDIA_ENABLE(0)),
TAG_END());
-
-
} else {
nua_ack(nh,
TAG_IF(invite_full_from, SIPTAG_FROM_STR(invite_full_from)),
TAG_IF(invite_full_to, SIPTAG_TO_STR(invite_full_to)),
TAG_IF(!zstr(tech_pvt->user_via), SIPTAG_VIA_STR(tech_pvt->user_via)),
+ TAG_IF(r_sdp && soa, SOATAG_USER_SDP_STR(r_sdp)),
+ TAG_IF(r_sdp && soa, SOATAG_REUSE_REJECTED(1)),
+ TAG_IF(r_sdp && soa, SOATAG_AUDIO_AUX("cn telephone-event")),
+ TAG_IF(r_sdp && !soa, SIPTAG_CONTENT_TYPE_STR("application/sdp")),
+ TAG_IF(r_sdp && !soa, SIPTAG_PAYLOAD_STR(r_sdp)),
+ TAG_IF(r_sdp && !soa, NUTAG_MEDIA_ENABLE(0)),
TAG_END());
}
case nua_i_ack:
{
if (channel && sip) {
+ const char *r_sdp = NULL;
+
+ if (sofia_test_flag(tech_pvt, TFLAG_PASS_ACK) && sip->sip_payload && sip->sip_payload->pl_data) {
+ r_sdp = sip->sip_payload->pl_data;
+
+ if (tech_pvt->mparams.last_sdp_str) {
+ tech_pvt->mparams.prev_sdp_str = tech_pvt->mparams.last_sdp_str;
+ }
+ tech_pvt->mparams.last_sdp_str = NULL;
+
+
+ if (!zstr(tech_pvt->mparams.prev_sdp_str) && strcmp(tech_pvt->mparams.prev_sdp_str, sip->sip_payload->pl_data)) {
+ switch_channel_set_variable(channel, "sip_reinvite_sdp", sip->sip_payload->pl_data);
+ tech_pvt->mparams.last_sdp_str = switch_core_session_strdup(session, sip->sip_payload->pl_data);
+ } else {
+ tech_pvt->mparams.last_sdp_str = tech_pvt->mparams.prev_sdp_str;
+ }
+ }
+
if (sip->sip_to && sip->sip_to->a_tag) {
switch_channel_set_variable(channel, "sip_to_tag", sip->sip_to->a_tag);
}
sofia_clear_flag(tech_pvt, TFLAG_PASS_ACK);
-
if (switch_core_session_get_partner(session, &other_session) == SWITCH_STATUS_SUCCESS) {
if (switch_core_session_compare(session, other_session)) {
private_object_t *other_tech_pvt = switch_core_session_get_private(other_session);
- tech_send_ack(other_tech_pvt->nh, other_tech_pvt);
+ tech_send_ack(other_tech_pvt->nh, other_tech_pvt, r_sdp);
}
switch_core_session_rwunlock(other_session);
}
switch_channel_clear_flag(channel, CF_REQ_MEDIA);
+ if (status < 200) {
+ if (switch_core_session_get_partner(session, &other_session) == SWITCH_STATUS_SUCCESS) {
+ private_object_t *other_tech_pvt = switch_core_session_get_private(other_session);
+
+ if (sofia_test_flag(other_tech_pvt, TFLAG_3PCC)) {
+ sofia_set_flag_locked(tech_pvt, TFLAG_SKIP_EARLY);
+ }
+ switch_core_session_rwunlock(other_session);
+ }
+
+ if (sofia_test_flag(tech_pvt, TFLAG_SKIP_EARLY)) {
+ return;
+ }
+ }
+
if (status >= 900) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "%s status %d received.\n",
switch_channel_get_name(channel), status);
(switch_channel_test_flag(tech_pvt->channel, CF_T38_PASSTHRU) && (has_t38 || status > 299)))) {
if (sofia_test_flag(tech_pvt, TFLAG_SENT_UPDATE)) {
+ const char *wait_for_ack = switch_channel_get_variable(channel, "sip_wait_for_aleg_ack");
sofia_clear_flag_locked(tech_pvt, TFLAG_SENT_UPDATE);
if ((uuid = switch_channel_get_partner_uuid(channel)) && (other_session = switch_core_session_locate(uuid))) {
switch_core_media_proxy_remote_addr(session, NULL);
}
- switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Passing %d %s to other leg\n", status, phrase);
+ switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Passing %d %s to other leg\n%s\n", status, phrase, switch_str_nil(r_sdp));
+
+ if (switch_true(wait_for_ack)) {
+ switch_core_session_t *other_session;
+
+ if (switch_core_session_get_partner(session, &other_session) == SWITCH_STATUS_SUCCESS) {
+ if (switch_core_session_compare(session, other_session)) {
+ private_object_t *other_tech_pvt = switch_core_session_get_private(other_session);
+
+ if (!sofia_test_flag(tech_pvt, TFLAG_3PCC) && !sofia_test_flag(other_tech_pvt, TFLAG_3PCC)) {
+ sofia_set_flag(other_tech_pvt, TFLAG_PASS_ACK);
+ }
+ }
+ switch_core_session_rwunlock(other_session);
+ }
+ }
if (status == 491 && (switch_channel_test_flag(tech_pvt->channel, CF_T38_PASSTHRU) ||
switch_channel_test_flag(channel, CF_PROXY_MODE))) {
break;
case nua_callstate_proceeding:
+ if (sofia_test_flag(tech_pvt, TFLAG_SKIP_EARLY)) {
+ sofia_clear_flag_locked(tech_pvt, TFLAG_SKIP_EARLY);
+ goto done;
+ }
+
switch (status) {
case 180:
switch_channel_mark_ring_ready(channel);
if (switch_core_session_get_partner(session, &other_session) == SWITCH_STATUS_SUCCESS) {
if (switch_core_session_compare(session, other_session)) {
private_object_t *other_tech_pvt = switch_core_session_get_private(other_session);
- sofia_set_flag(other_tech_pvt, TFLAG_PASS_ACK);
- send_ack = 0;
+
+ if (!sofia_test_flag(tech_pvt, TFLAG_3PCC) && !sofia_test_flag(other_tech_pvt, TFLAG_3PCC)) {
+ sofia_set_flag(other_tech_pvt, TFLAG_PASS_ACK);
+ send_ack = 0;
+ }
}
switch_core_session_rwunlock(other_session);
}
switch_channel_set_flag(channel, CF_MEDIA_SET);
switch_core_media_activate_rtp(session);
-
+
nua_ack(tech_pvt->nh,
TAG_IF(!zstr(tech_pvt->user_via), SIPTAG_VIA_STR(tech_pvt->user_via)),
SIPTAG_CONTACT_STR(tech_pvt->reply_contact),
}
if (send_ack) {
- tech_send_ack(nh, tech_pvt);
+ tech_send_ack(nh, tech_pvt, NULL);
} else {
ss_state = nua_callstate_ready;
goto state_process;
switch_channel_mark_pre_answered(channel);
sofia_set_flag(tech_pvt, TFLAG_SDP);
- if (sofia_test_flag(tech_pvt, TFLAG_3PCC) && sofia_test_pflag(profile, PFLAG_3PCC_PROXY)) {
- switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "3PCC-PROXY, Got my PRACK\n");
- sofia_set_flag(tech_pvt, TFLAG_3PCC_HAS_ACK);
- }
match = sofia_media_negotiate_sdp(session, r_sdp, SDP_TYPE_RESPONSE);
if (match) {