Add ${DNIS}

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@1475 65c4cc65-6c06-0410-ace0-fbb531ad65f3

README.variables

@@ -40,6 +40,8 @@ ${ENV(VAR)}	Environmental variable VAR
 ${EPOCH}	Current unix style epoch
 ${DATETIME}	Current date time in the format: YYYY-MM-DD_HH:MM:SS
 ${UNIQUEID}	Current call unique identifier
+${DNID}         Dialed Number Identifier
+${RDNIS}        Redirected Dial Number ID Service
 
 There are two reference modes - reference by value and reference by name. 
 To refer to a variable with its name (as an argument to a function that 

doc/README.variables

@@ -40,6 +40,8 @@ ${ENV(VAR)}	Environmental variable VAR
 ${EPOCH}	Current unix style epoch
 ${DATETIME}	Current date time in the format: YYYY-MM-DD_HH:MM:SS
 ${UNIQUEID}	Current call unique identifier
+${DNID}         Dialed Number Identifier
+${RDNIS}        Redirected Dial Number ID Service
 
 There are two reference modes - reference by value and reference by name. 
 To refer to a variable with its name (as an argument to a function that 

pbx.c

@@ -797,6 +797,12 @@ static void pbx_substitute_variables_temp(struct ast_channel *c,const char *var,
 			*ret = workspace;
 		} else 
 			*ret = NULL;
+	} else if (c && !strcmp(var, "DNID")) {
+		if (c->dnid) {
+			strncpy(workspace, c->dnid, workspacelen - 1);
+			*ret = workspace;
+		} else
+			*ret = NULL;
 	} else if (c && !strcmp(var, "HINT")) {
 		if (!ast_get_hint(workspace, workspacelen - 1, c, c->context, c->exten))
 			*ret = NULL;