Make it possible to enable/disable onhold tracking, in order to make life easier

for realtime users.


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@47756 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_sip.c

@@ -530,6 +530,7 @@ static struct ast_codec_pref default_prefs;		/*!< Default codec prefs */
 static int global_limitonpeers;		/*!< Match call limit on peers only */
 static int global_rtautoclear;
 static int global_notifyringing;	/*!< Send notifications on ringing */
+static int global_notifyhold;		/*!< Send notifications on hold */
 static int global_alwaysauthreject;	/*!< Send 401 Unauthorized for all failing requests */
 static int global_srvlookup;			/*!< SRV Lookup on or off. Default is off, RFC behavior is on */
 static int pedanticsipchecking;		/*!< Extra checking ?  Default off */
@@ -5274,7 +5275,8 @@ static int process_sdp(struct sip_pvt *p, struct sip_request *req)
 					"Uniqueid: %s\r\n",
 					p->owner->name, 
 					p->owner->uniqueid);
-			sip_peer_hold(p, 0);
+			if (global_notifyhold)
+				sip_peer_hold(p, FALSE);
 		} 
 		ast_clear_flag(&p->flags[1], SIP_PAGE2_CALL_ONHOLD);	/* Clear both flags */
 	} else if (!sin.sin_addr.s_addr || sendonly ) {
@@ -5292,7 +5294,8 @@ static int process_sdp(struct sip_pvt *p, struct sip_request *req)
 			ast_set_flag(&p->flags[1], SIP_PAGE2_CALL_ONHOLD_ONEDIR);
 		else if (sendonly == 2)	/* Inactive stream */
 			ast_set_flag(&p->flags[1], SIP_PAGE2_CALL_ONHOLD_INACTIVE);
-		sip_peer_hold(p, 1);
+		if (global_notifyhold)
+			sip_peer_hold(p, TRUE);
 	}
 	
 	return 0;
@@ -10432,6 +10435,7 @@ static int sip_show_settings(int fd, int argc, char *argv[])
 	ast_cli(fd, "  Outbound reg. timeout:  %d secs\n", global_reg_timeout);
 	ast_cli(fd, "  Outbound reg. attempts: %d\n", global_regattempts_max);
 	ast_cli(fd, "  Notify ringing state:   %s\n", global_notifyringing ? "Yes" : "No");
+	ast_cli(fd, "  Notify hold state:      %s\n", global_notifyhold ? "Yes" : "No");
 	ast_cli(fd, "  SIP Transfer mode:      %s\n", transfermode2str(global_allowtransfer));
 	ast_cli(fd, "  Max Call Bitrate:       %d kbps\r\n", default_maxcallbitrate);
 	ast_cli(fd, "  Auto-Framing:           %s \r\n", global_autoframing ? "Yes" : "No");
@@ -16132,6 +16136,7 @@ static int reload_config(enum channelreloadreason reason)
 	expiry = DEFAULT_EXPIRY;
 	global_notifyringing = DEFAULT_NOTIFYRINGING;
 	global_limitonpeers = FALSE;		/*!< Match call limit on peers only */
+	global_notifyhold = FALSE;		/*!< Keep track of hold status for a peer */
 	global_alwaysauthreject = 0;
 	global_allowsubscribe = FALSE;
 	ast_copy_string(global_useragent, DEFAULT_USERAGENT, sizeof(global_useragent));
@@ -16258,6 +16263,8 @@ static int reload_config(enum channelreloadreason reason)
 			global_notifyringing = ast_true(v->value);
 		} else if (!strcasecmp(v->name, "limitpeersonly")) {
 			global_limitonpeers = ast_true(v->value);
+		} else if (!strcasecmp(v->name, "notifyhold")) {
+			global_notifyhold = ast_true(v->value);
 		} else if (!strcasecmp(v->name, "alwaysauthreject")) {
 			global_alwaysauthreject = ast_true(v->value);
 		} else if (!strcasecmp(v->name, "mohinterpret") 

configs/sip.conf.sample

@@ -175,7 +175,10 @@ srvlookup=yes			; Enable DNS SRV lookups on outbound calls
 ;subscribecontext = default	; Set a specific context for SUBSCRIBE requests
 				; Useful to limit subscriptions to local extensions
 				; Settable per peer/user also
-;notifyringing = yes		; Notify subscriptions on RINGING state
+;notifyringing = yes		; Notify subscriptions on RINGING state (default: no)
+;notifyhold = yes		; Notify subscriptions on HOLD state (default: no)
+				; Turning on notifyringing and notifyhold will add a lot
+				; more database transactions if you are using realtime.
 
 ;----------------------------------------- T.38 FAX PASSTHROUGH SUPPORT -----------------------
 ;