diff --git a/drivers/isdn/mISDN/tei.c b/drivers/isdn/mISDN/tei.c
index b452dea..c75af76 100644
--- a/drivers/isdn/mISDN/tei.c
+++ b/drivers/isdn/mISDN/tei.c
@@ -122,8 +122,11 @@
 	}
 	read_unlock_irqrestore(&mgr->lock, flags);
 	/* All TEI are inactiv */
-	mISDN_FsmAddTimer(&mgr->datimer, DATIMER_VAL, EV_DATIMER, NULL, 1);
-	mISDN_FsmChangeState(fi, ST_L1_DEACT_PENDING);
+	if (!test_bit(OPTION_L1_HOLD, &mgr->options)) {
+		mISDN_FsmAddTimer(&mgr->datimer, DATIMER_VAL, EV_DATIMER,
+			NULL, 1);
+		mISDN_FsmChangeState(fi, ST_L1_DEACT_PENDING);
+	}
 }
 
 static void
@@ -132,9 +135,11 @@
 	struct manager	*mgr = fi->userdata;
 
 	/* restart da timer */
-	mISDN_FsmDelTimer(&mgr->datimer, 2);
-	mISDN_FsmAddTimer(&mgr->datimer, DATIMER_VAL, EV_DATIMER, NULL, 2);
-
+	if (!test_bit(OPTION_L1_HOLD, &mgr->options)) {
+		mISDN_FsmDelTimer(&mgr->datimer, 2);
+		mISDN_FsmAddTimer(&mgr->datimer, DATIMER_VAL, EV_DATIMER,
+			NULL, 2);
+	}
 }
 
 static void
@@ -1103,6 +1108,7 @@
 {
 	struct layer2	*l2, *nl2;
 
+	test_and_clear_bit(OPTION_L1_HOLD, &mgr->options);
 	if (test_bit(MGR_OPT_NETWORK, &mgr->options)) {
 		/* not locked lock is taken in release tei */
 		mgr->up = NULL;
@@ -1133,13 +1139,26 @@
 ctrl_teimanager(struct manager *mgr, void *arg)
 {
 	/* currently we only have one option */
-	int	clean = *((int *)arg);
+	int	*val = (int *)arg;
+	int	ret = 0;
 
-	if (clean)
-		test_and_set_bit(OPTION_L2_CLEANUP, &mgr->options);
-	else
-		test_and_clear_bit(OPTION_L2_CLEANUP, &mgr->options);
-	return 0;
+	switch (val[0]) {
+	case IMCLEAR_L2:
+		if (val[1])
+			test_and_set_bit(OPTION_L2_CLEANUP, &mgr->options);
+		else
+			test_and_clear_bit(OPTION_L2_CLEANUP, &mgr->options);
+		break;
+	case IMHOLD_L1:
+		if (val[1])
+			test_and_set_bit(OPTION_L1_HOLD, &mgr->options);
+		else
+			test_and_clear_bit(OPTION_L1_HOLD, &mgr->options);
+		break;
+	default:
+		ret = -EINVAL;
+	}
+	return ret;
 }
 
 /* This function does create a L2 for fixed TEI in NT Mode */