--- channels/chan_sip.c.orig	2010-07-28 23:21:31.000000000 +0200
+++ channels/chan_sip.c	2010-07-28 23:22:32.000000000 +0200
@@ -22958,9 +22958,11 @@
 		peer->call = dialog_unref(peer->call, "unref dialog peer->call");
 		/* peer->call = sip_destroy(peer->call);*/
 	}
-	
+
+	if (peer->lastms > 1) {	
+		ast_devstate_changed(AST_DEVICE_UNKNOWN, "SIP/%s", peer->name);
+	}
 	peer->lastms = -1;
-	ast_devstate_changed(AST_DEVICE_UNKNOWN, "SIP/%s", peer->name);
 
 	/* Try again quickly */
 	AST_SCHED_REPLACE_UNREF(peer->pokeexpire, sched,