diff --git a/drivers/isdn/gigaset/ev-layer.c b/drivers/isdn/gigaset/ev-layer.c
index 0d5984a86795..657757b72618 100644
--- a/drivers/isdn/gigaset/ev-layer.c
+++ b/drivers/isdn/gigaset/ev-layer.c
@@ -35,53 +35,40 @@
 #define RT_RING		2
 #define RT_NUMBER	3
 #define RT_STRING	4
-#define RT_HEX		5
 #define RT_ZCAU		6
 
 /* Possible ASCII responses */
 #define RSP_OK		0
-#define RSP_BUSY	1
-#define RSP_CONNECT	2
+#define RSP_ERROR	1
 #define RSP_ZGCI	3
 #define RSP_RING	4
-#define RSP_ZAOC	5
-#define RSP_ZCSTR	6
-#define RSP_ZCFGT	7
-#define RSP_ZCFG	8
-#define RSP_ZCCR	9
-#define RSP_EMPTY	10
-#define RSP_ZLOG	11
-#define RSP_ZCAU	12
-#define RSP_ZMWI	13
-#define RSP_ZABINFO	14
-#define RSP_ZSMLSTCHG	15
+#define RSP_ZVLS	5
+#define RSP_ZCAU	6
+
+/* responses with values to store in at_state */
+/* - numeric */
 #define RSP_VAR		100
 #define RSP_ZSAU	(RSP_VAR + VAR_ZSAU)
 #define RSP_ZDLE	(RSP_VAR + VAR_ZDLE)
-#define RSP_ZVLS	(RSP_VAR + VAR_ZVLS)
 #define RSP_ZCTP	(RSP_VAR + VAR_ZCTP)
+/* - string */
 #define RSP_STR		(RSP_VAR + VAR_NUM)
 #define RSP_NMBR	(RSP_STR + STR_NMBR)
 #define RSP_ZCPN	(RSP_STR + STR_ZCPN)
 #define RSP_ZCON	(RSP_STR + STR_ZCON)
 #define RSP_ZBC		(RSP_STR + STR_ZBC)
 #define RSP_ZHLC	(RSP_STR + STR_ZHLC)
-#define RSP_ERROR	-1	/* ERROR              */
+
 #define RSP_WRONG_CID	-2	/* unknown cid in cmd */
-#define RSP_UNKNOWN	-4	/* unknown response   */
-#define RSP_FAIL	-5	/* internal error     */
 #define RSP_INVAL	-6	/* invalid response   */
+#define RSP_NODEV	-9	/* device not connected */
 
 #define RSP_NONE	-19
 #define RSP_STRING	-20
 #define RSP_NULL	-21
-#define RSP_RETRYFAIL	-22
-#define RSP_RETRY	-23
-#define RSP_SKIP	-24
 #define RSP_INIT	-27
 #define RSP_ANY		-26
 #define RSP_LAST	-28
-#define RSP_NODEV	-9
 
 /* actions for process_response */
 #define ACT_NOTHING		0
@@ -259,13 +246,6 @@ struct reply_t gigaset_tab_nocid[] =
 
 /* misc. */
 {RSP_ERROR,	 -1,  -1, -1,			 -1, -1, {ACT_ERROR} },
-{RSP_ZCFGT,	 -1,  -1, -1,			 -1, -1, {ACT_DEBUG} },
-{RSP_ZCFG,	 -1,  -1, -1,			 -1, -1, {ACT_DEBUG} },
-{RSP_ZLOG,	 -1,  -1, -1,			 -1, -1, {ACT_DEBUG} },
-{RSP_ZMWI,	 -1,  -1, -1,			 -1, -1, {ACT_DEBUG} },
-{RSP_ZABINFO,	 -1,  -1, -1,			 -1, -1, {ACT_DEBUG} },
-{RSP_ZSMLSTCHG,	 -1,  -1, -1,			 -1, -1, {ACT_DEBUG} },
-
 {RSP_ZCAU,	 -1,  -1, -1,			 -1, -1, {ACT_ZCAU} },
 {RSP_NONE,	 -1,  -1, -1,			 -1, -1, {ACT_DEBUG} },
 {RSP_ANY,	 -1,  -1, -1,			 -1, -1, {ACT_WARN} },
@@ -361,10 +341,6 @@ struct reply_t gigaset_tab_cid[] =
 
 /* misc. */
 {RSP_ZCON,	 -1,  -1, -1,			 -1, -1, {ACT_DEBUG} },
-{RSP_ZCCR,	 -1,  -1, -1,			 -1, -1, {ACT_DEBUG} },
-{RSP_ZAOC,	 -1,  -1, -1,			 -1, -1, {ACT_DEBUG} },
-{RSP_ZCSTR,	 -1,  -1, -1,			 -1, -1, {ACT_DEBUG} },
-
 {RSP_ZCAU,	 -1,  -1, -1,			 -1, -1, {ACT_ZCAU} },
 {RSP_NONE,	 -1,  -1, -1,			 -1, -1, {ACT_DEBUG} },
 {RSP_ANY,	 -1,  -1, -1,			 -1, -1, {ACT_WARN} },
@@ -387,20 +363,11 @@ static const struct resp_type_t {
 	{"ZVLS",	RSP_ZVLS,	RT_NUMBER},
 	{"ZCTP",	RSP_ZCTP,	RT_NUMBER},
 	{"ZDLE",	RSP_ZDLE,	RT_NUMBER},
-	{"ZCFGT",	RSP_ZCFGT,	RT_NUMBER},
-	{"ZCCR",	RSP_ZCCR,	RT_NUMBER},
-	{"ZMWI",	RSP_ZMWI,	RT_NUMBER},
 	{"ZHLC",	RSP_ZHLC,	RT_STRING},
 	{"ZBC",		RSP_ZBC,	RT_STRING},
 	{"NMBR",	RSP_NMBR,	RT_STRING},
 	{"ZCPN",	RSP_ZCPN,	RT_STRING},
 	{"ZCON",	RSP_ZCON,	RT_STRING},
-	{"ZAOC",	RSP_ZAOC,	RT_STRING},
-	{"ZCSTR",	RSP_ZCSTR,	RT_STRING},
-	{"ZCFG",	RSP_ZCFG,	RT_HEX},
-	{"ZLOG",	RSP_ZLOG,	RT_NOTHING},
-	{"ZABINFO",	RSP_ZABINFO,	RT_NOTHING},
-	{"ZSMLSTCHG",	RSP_ZSMLSTCHG,	RT_NOTHING},
 	{NULL,		0,		0}
 };
 
@@ -588,10 +555,10 @@ void gigaset_handle_modem_response(struct cardstate *cs)
 					break;
 
 			if (!rt->response) {
-				event->type = RSP_UNKNOWN;
-				dev_warn(cs->dev,
-					 "unknown modem response: %s\n",
-					 argv[curarg]);
+				event->type = RSP_NONE;
+				gig_dbg(DEBUG_EVENT,
+					"unknown modem response: '%s'\n",
+					argv[curarg]);
 				break;
 			}
 
@@ -655,14 +622,8 @@ void gigaset_handle_modem_response(struct cardstate *cs)
 				curarg = params - 1;
 			break;
 		case RT_NUMBER:
-		case RT_HEX:
 			if (curarg < params) {
-				if (param_type == RT_HEX)
-					event->parameter =
-						isdn_gethex(argv[curarg]);
-				else
-					event->parameter =
-						isdn_getnum(argv[curarg]);
+				event->parameter = isdn_getnum(argv[curarg]);
 				++curarg;
 			} else
 				event->parameter = -1;
diff --git a/drivers/isdn/gigaset/gigaset.h b/drivers/isdn/gigaset/gigaset.h
index 904c9473effc..ba9547ba34b5 100644
--- a/drivers/isdn/gigaset/gigaset.h
+++ b/drivers/isdn/gigaset/gigaset.h
@@ -193,9 +193,8 @@ void gigaset_dbg_buffer(enum debuglevel level, const unsigned char *msg,
 /* variables in struct at_state_t */
 #define VAR_ZSAU	0
 #define VAR_ZDLE	1
-#define VAR_ZVLS	2
-#define VAR_ZCTP	3
-#define VAR_NUM		4
+#define VAR_ZCTP	2
+#define VAR_NUM		3
 
 #define STR_NMBR	0
 #define STR_ZCPN	1