Update README.md for NO_REDIS_REQUIRED parameter

README.md

@@ -168,8 +168,9 @@ option and which are reproduced below:
 	  -f, --foreground                 Don't fork to background
 	  -m, --port-min=INT               Lowest port to use for RTP
 	  -M, --port-max=INT               Highest port to use for RTP
-	  -r, --redis=[PW@]IP:PORT/INT   Connect to Redis database
+	  -r, --redis=[PW@]IP:PORT/INT     Connect to Redis database
 	  -w, --redis-write=[PW@]IP:PORT/INT Connect to Redis write database
+	  -q, --no-redis-required          Start even if can't connect to redis databases
 	  -b, --b2b-url=STRING             XMLRPC URL of B2B UA
 	  -L, --log-level=INT              Mask log priorities above this level
 	  --log-facility=daemon|local0|... Syslog facility to use for logging
@@ -385,6 +386,13 @@ The options are described in more detail below.
 	When both options are given, *rtpengine* will start and use the Redis database regardless of the
 	database's role (master or slave).
 
+*  -q, --no-redis-required
+	When this paramter is present or NO_REDIS_REQUIRED='yes' or '1' in config file, rtpengine starts even
+	if there is no initial connection to redis databases(either to -r or to -w or to both redis).
+
+	Be aware that if the -r redis can't be initially connected, sessions are not reloaded upon rtpengine startup,
+	even though rtpengine still starts.
+
 *  -b, --b2b-url
 
 	Enables and sets the URI for an XMLRPC callback to be made when a call is torn down due to packet

daemon/main.c

@@ -290,7 +290,7 @@ static void options(int *argc, char ***argv) {
 		{ "port-max",	'M', 0, G_OPTION_ARG_INT,	&port_max,	"Highest port to use for RTP",	"INT"		},
 		{ "redis",	'r', 0, G_OPTION_ARG_STRING,	&redisps,	"Connect to Redis database",	"[PW@]IP:PORT/INT"	},
 		{ "redis-write",'w', 0, G_OPTION_ARG_STRING,    &redisps_write, "Connect to Redis write database",      "[PW@]IP:PORT/INT"       },
-		{ "no-redis-required", 'Q', 0, G_OPTION_ARG_NONE, &no_redis_required, "Start no matter of redis connection state", NULL },
+		{ "no-redis-required", 'q', 0, G_OPTION_ARG_NONE, &no_redis_required, "Start no matter of redis connection state", NULL },
 		{ "b2b-url",	'b', 0, G_OPTION_ARG_STRING,	&b2b_url,	"XMLRPC URL of B2B UA"	,	"STRING"	},
 		{ "log-level",	'L', 0, G_OPTION_ARG_INT,	(void *)&log_level,"Mask log priorities above this level","INT"	},
 		{ "log-facility",0,  0,	G_OPTION_ARG_STRING, &log_facility_s, "Syslog facility to use for logging", "daemon|local0|...|local7"},