Turning off premature media by default

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.1@216653 65c4cc65-6c06-0410-ace0-fbb531ad65f3

CHANGES

@@ -8,6 +8,12 @@
 ===
 ======================================================================
 
+SIP changes
+-----------
+ * Added a new option "prematuremedia" that defaults to "no". If you turn this
+   option on, chan_sip will not automatically initiate early media if it receives
+   audio from the incoming channel before there's been a progress indication.
+
 ----------------------------------------------------------------------------------
 --- Functionality changes from Asterisk 1.6.1.1 to Asterisk 1.6.1.2  -------------
 ----------------------------------------------------------------------------------

channels/chan_sip.c

@@ -18705,7 +18705,7 @@ static int handle_request_invite(struct sip_pvt *p, struct sip_request *req, int
 					st_interval = uac_max_se;
 				}
 			} else {
-				st_interval = uac_min_se;
+				st_interval = global_max_se;
 			}
 			break;
 
@@ -22721,7 +22721,7 @@ static int reload_config(enum channelreloadreason reason)
 	snprintf(global_useragent, sizeof(global_useragent), "%s %s", DEFAULT_USERAGENT, ast_get_version());
 	snprintf(global_sdpsession, sizeof(global_sdpsession), "%s %s", DEFAULT_SDPSESSION, ast_get_version());
 	snprintf(global_sdpowner, sizeof(global_sdpowner), "%s", DEFAULT_SDPOWNER);
-	global_prematuremediafilter = TRUE;
+	global_prematuremediafilter = FALSE;
 	ast_copy_string(default_notifymime, DEFAULT_NOTIFYMIME, sizeof(default_notifymime));
 	ast_copy_string(global_realm, S_OR(ast_config_AST_SYSTEM_NAME, DEFAULT_REALM), sizeof(global_realm));
 	ast_copy_string(default_callerid, DEFAULT_CALLERID, sizeof(default_callerid));