Check if PBX was started for generic CCSS recall.

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Merged revisions 369238 from http://svn.asterisk.org/svn/asterisk/branches/1.8
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Merged revisions 369239 from http://svn.asterisk.org/svn/asterisk/branches/10


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@369240 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/ccss.c

@@ -2744,8 +2744,13 @@ static void *generic_recall(void *data)
 			return NULL;
 		}
 	}
-	ast_cc_agent_recalling(agent->core_id, "Generic agent %s is recalling", agent->device_name);
-	ast_pbx_start(chan);
+	if (ast_pbx_start(chan)) {
+		ast_cc_failed(agent->core_id, "PBX failed to start for %s.", agent->device_name);
+		ast_hangup(chan);
+		return NULL;
+	}
+	ast_cc_agent_recalling(agent->core_id, "Generic agent %s is recalling",
+		agent->device_name);
 	return NULL;
 }