improve handling of 302 redirect and add option to handle them in the dialplan if needed. Also all redirects back to ourself will be transfered to the dialplan automatically now bypassing the loop.

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@13734 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/endpoints/mod_sofia/sofia_glue.c

@@ -1705,6 +1705,7 @@ switch_status_t sofia_glue_do_invite(switch_core_session_t *session)
 	nua_invite(tech_pvt->nh,
 			   NUTAG_AUTOANSWER(0),
 			   NUTAG_SESSION_TIMER(session_timeout),
+			   TAG_IF(tech_pvt->redirected, NUTAG_URL(tech_pvt->redirected)),
 			   TAG_IF(!switch_strlen_zero(tech_pvt->user_via), SIPTAG_VIA_STR(tech_pvt->user_via)),
 			   TAG_IF(!switch_strlen_zero(tech_pvt->rpid), SIPTAG_REMOTE_PARTY_ID_STR(tech_pvt->rpid)),
 			   TAG_IF(!switch_strlen_zero(tech_pvt->preferred_id), SIPTAG_P_PREFERRED_IDENTITY_STR(tech_pvt->preferred_id)),
@@ -1724,6 +1725,7 @@ switch_status_t sofia_glue_do_invite(switch_core_session_t *session)
 			   SOATAG_RTP_SELECT(SOA_RTP_SELECT_ALL), TAG_IF(rep, SIPTAG_REPLACES_STR(rep)), SOATAG_HOLD(holdstr), TAG_END());
 
 	switch_safe_free(stream.data);
+	tech_pvt->redirected = NULL;
 
 	return SWITCH_STATUS_SUCCESS;
 }