diff --git a/openbsc/tests/gsm0408/gsm0408_test.c b/openbsc/tests/gsm0408/gsm0408_test.c
index d6abce6..2d91b68 100644
--- a/openbsc/tests/gsm0408/gsm0408_test.c
+++ b/openbsc/tests/gsm0408/gsm0408_test.c
@@ -103,11 +103,55 @@
 		printf("failed to generate SI2quater: %s\n", strerror(-r));
 }
 
-static inline void test_si2q(void)
+static inline void test_si2q_u(void)
 {
 	struct gsm_bts *bts;
 	struct gsm_network *network = gsm_network_init(1, 1, NULL);
-	printf("Testing SYSINFO_TYPE_2quater generation:\n");
+	printf("Testing SYSINFO_TYPE_2quater UARFCN generation:\n");
+
+	if (!network)
+		exit(1);
+	bts = gsm_bts_alloc(network);
+
+	bts_uarfcn_add(bts, 1982, 13, 1);
+	gen(bts);
+
+	bts_uarfcn_add(bts, 1982, 44, 0);
+	gen(bts);
+
+	bts_uarfcn_add(bts, 1982, 61, 1);
+	gen(bts);
+
+	bts_uarfcn_add(bts, 1982, 89, 1);
+	gen(bts);
+
+	bts_uarfcn_add(bts, 1982, 113, 0);
+	gen(bts);
+
+	bts_uarfcn_add(bts, 1982, 123, 0);
+	gen(bts);
+
+	bts_uarfcn_add(bts, 1982, 56, 1);
+	gen(bts);
+
+	bts_uarfcn_add(bts, 1982, 72, 1);
+	gen(bts);
+
+	bts_uarfcn_add(bts, 1982, 223, 1);
+	gen(bts);
+
+	bts_uarfcn_add(bts, 1982, 14, 0);
+	gen(bts);
+
+	bts_uarfcn_add(bts, 1982, 88, 0);
+	gen(bts);
+}
+
+static inline void test_si2q_e(void)
+{
+	struct gsm_bts *bts;
+	struct gsm_network *network = gsm_network_init(1, 1, NULL);
+	printf("Testing SYSINFO_TYPE_2quater EARFCN generation:\n");
 
 	if (!network)
 		exit(1);
@@ -230,11 +274,7 @@
 					      f0, &f0_included);
 
 	memset(w, 0, sizeof(w));
-	rc = range_enc_arfcns(range, arfcns, arfcns_used, w, 0);
-	if (rc != 0) {
-		printf("Cannot compute range W(k), rc = %d\n", rc);
-		return 1;
-	}
+	range_enc_arfcns(range, arfcns, arfcns_used, w, 0);
 
 	if (!silent)
 		fprintf(stderr, "range=%d, arfcns_used=%d, f0=%d, f0_included=%d\n",
@@ -243,24 +283,20 @@
 	/* Select the range and the amount of bits needed */
 	switch (range) {
 	case ARFCN_RANGE_128:
-		rc = range_enc_range128(chan_list, f0, w);
+		range_enc_range128(chan_list, f0, w);
 		break;
 	case ARFCN_RANGE_256:
-		rc = range_enc_range256(chan_list, f0, w);
+		range_enc_range256(chan_list, f0, w);
 		break;
 	case ARFCN_RANGE_512:
-		rc = range_enc_range512(chan_list, f0, w);
+		range_enc_range512(chan_list, f0, w);
 		break;
 	case ARFCN_RANGE_1024:
-		rc = range_enc_range1024(chan_list, f0, f0_included, w);
+		range_enc_range1024(chan_list, f0, f0_included, w);
 		break;
 	default:
 		return 1;
 	};
-	if (rc != 0) {
-		printf("Cannot encode range, rc = %d\n", rc);
-		return 1;
-	}
 
 	if (!silent)
 		printf("chan_list = %s\n",
@@ -471,8 +507,7 @@
 			break;
 		}
 
-	rc = range_enc_range512(chan_list, (1 << 9) | 0x96, w);
-	VERIFY(rc, ==, 0);
+	range_enc_range512(chan_list, (1 << 9) | 0x96, w);
 
 	printf("Range512: %s\n", osmo_hexdump(chan_list, ARRAY_SIZE(chan_list)));
 }
@@ -496,8 +531,7 @@
 	printf("Element is: %d => freqs[i] = %d\n", i,  i >= 0 ? freqs3[i] : -1);
 	VERIFY(i, ==, 0);
 
-	i = range_enc_arfcns(1023, freqs1, ARRAY_SIZE(freqs1), ws, 0);
-	VERIFY(i, ==, 0);
+	range_enc_arfcns(1023, freqs1, ARRAY_SIZE(freqs1), ws, 0);
 
 	for (i = 0; i < sizeof(freqs1)/sizeof(freqs1[0]); ++i) {
 		printf("w[%d]=%d\n", i, ws[i]);
@@ -554,7 +588,8 @@
 	test_range_encoding();
 	test_gsm411_rp_ref_wrap();
 
-	test_si2q();
+	test_si2q_e();
+	test_si2q_u();
 	printf("Done.\n");
 	return EXIT_SUCCESS;
 }
diff --git a/openbsc/tests/gsm0408/gsm0408_test.ok b/openbsc/tests/gsm0408/gsm0408_test.ok
index 59319bf..565eac6 100644
--- a/openbsc/tests/gsm0408/gsm0408_test.ok
+++ b/openbsc/tests/gsm0408/gsm0408_test.ok
@@ -62,7 +62,7 @@
 Allocated reference: 255
 Allocated reference: 0
 Allocated reference: 1
-Testing SYSINFO_TYPE_2quater generation:
+Testing SYSINFO_TYPE_2quater EARFCN generation:
 added EARFCN 1917 - generated SI2quater: [23] 59 06 07 c0 00 04 86 59 83 be c8 50 0b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
 added EARFCN 1932 - generated SI2quater: [23] 59 06 07 c0 00 04 86 59 83 be cc 1e 30 14 03 2b 2b 2b 2b 2b 2b 2b 2b 
 added EARFCN 1937 - generated SI2quater: [23] 59 06 07 c0 00 04 86 59 83 be cc 1e 31 07 91 a0 a0 2b 2b 2b 2b 2b 2b 
@@ -70,4 +70,16 @@
 added EARFCN 1965 - generated SI2quater: [23] 59 06 07 c0 00 04 86 59 83 be cc 1e 31 07 91 a8 3c ca 0f 5a 0a 03 2b 
 added EARFCN 1967 - failed to generate SI2quater: Cannot allocate memory
 added EARFCN 1982 - failed to generate SI2quater: Cannot allocate memory
+Testing SYSINFO_TYPE_2quater UARFCN generation:
+generated SI2quater: [23] 59 06 07 c0 00 25 0f 7c 0c 1a 10 99 64 00 0b 2b 2b 2b 2b 2b 2b 2b 2b 
+generated SI2quater: [23] 59 06 07 c0 00 25 0f 7c 14 1a 1f 00 44 b2 00 03 2b 2b 2b 2b 2b 2b 2b 
+generated SI2quater: [23] 59 06 07 c0 00 25 0f 7c 18 58 12 f0 84 86 59 00 03 2b 2b 2b 2b 2b 2b 
+generated SI2quater: [23] 59 06 07 c0 00 25 0f 7c 20 58 2e f0 f2 04 86 59 00 03 2b 2b 2b 2b 2b 
+generated SI2quater: [23] 59 06 07 c0 00 25 0f 7c 28 58 2e 22 f2 4e 84 86 59 00 03 2b 2b 2b 2b 
+generated SI2quater: [23] 59 06 07 c0 00 25 0f 7c 34 1a 64 26 5d f2 05 04 86 59 00 03 2b 2b 2b 
+generated SI2quater: [23] 59 06 07 c0 00 25 0f 7c 38 58 12 22 fd ce 8e 05 04 86 59 00 03 2b 2b 
+generated SI2quater: [23] 59 06 07 c0 00 25 0f 7c 40 58 1d 22 fa ce 88 85 7b 00 44 b2 00 03 2b 
+generated SI2quater: [23] 59 06 07 c0 00 25 0f 7c 4c 7a 34 0e 64 77 85 43 55 c8 10 99 64 00 0b 
+failed to generate SI2quater: Cannot allocate memory
+failed to generate SI2quater: Cannot allocate memory
 Done.
diff --git a/openbsc/tests/vty_test_runner.py b/openbsc/tests/vty_test_runner.py
index 7f64a80..c088855 100644
--- a/openbsc/tests/vty_test_runner.py
+++ b/openbsc/tests/vty_test_runner.py
@@ -244,6 +244,29 @@
         self.vty.command("si2quater neighbor-list del earfcn 1924")
         self.vty.command("si2quater neighbor-list del earfcn 2111")
         self.assertEquals(before, self.vty.command("show running-config"))
+        self.vty.command("si2quater neighbor-list add uarfcn 1976 13 1")
+        self.vty.command("si2quater neighbor-list add uarfcn 1976 38 1")
+        self.vty.command("si2quater neighbor-list add uarfcn 1976 44 1")
+        self.vty.command("si2quater neighbor-list add uarfcn 1976 120 1")
+        self.vty.command("si2quater neighbor-list add uarfcn 1976 140 1")
+        self.vty.command("si2quater neighbor-list add uarfcn 1976 163 1")
+        self.vty.command("si2quater neighbor-list add uarfcn 1976 166 1")
+        self.vty.command("si2quater neighbor-list add uarfcn 1976 217 1")
+        self.vty.command("si2quater neighbor-list add uarfcn 1976 224 1")
+        self.vty.command("si2quater neighbor-list add uarfcn 1976 225 1")
+        self.vty.command("si2quater neighbor-list add uarfcn 1976 226 1")
+        self.vty.command("si2quater neighbor-list del uarfcn 1976 13")
+        self.vty.command("si2quater neighbor-list del uarfcn 1976 38")
+        self.vty.command("si2quater neighbor-list del uarfcn 1976 44")
+        self.vty.command("si2quater neighbor-list del uarfcn 1976 120")
+        self.vty.command("si2quater neighbor-list del uarfcn 1976 140")
+        self.vty.command("si2quater neighbor-list del uarfcn 1976 163")
+        self.vty.command("si2quater neighbor-list del uarfcn 1976 166")
+        self.vty.command("si2quater neighbor-list del uarfcn 1976 217")
+        self.vty.command("si2quater neighbor-list del uarfcn 1976 224")
+        self.vty.command("si2quater neighbor-list del uarfcn 1976 225")
+        self.vty.command("si2quater neighbor-list del uarfcn 1976 226")
+        self.assertEquals(before, self.vty.command("show running-config"))
 
     def testEnableDisablePeriodicLU(self):
         self.vty.enable()