diff --git a/tests/fate2.mak b/tests/fate2.mak
index 5420d40286..8c7fd7060a 100644
--- a/tests/fate2.mak
+++ b/tests/fate2.mak
@@ -152,3 +152,6 @@ FATE2_TESTS += fate-atrac3-3
 fate-atrac3-3: CMD = $(TARGET_PATH)/ffmpeg -i $(SAMPLES)/atrac3/mc_sich_at3_132_small.wav -f s16le -
 fate-atrac3-3: CMP = oneoff
 fate-atrac3-3: REF = $(SAMPLES)/atrac3/mc_sich_at3_132_small.pcm
+
+FATE2_TESTS += fate-gsm
+fate-gsm: CMD = $(TARGET_PATH)/ffmpeg -i $(SAMPLES)/gsm/ciao.wav -f framecrc -
diff --git a/tests/ref/fate/gsm b/tests/ref/fate/gsm
new file mode 100644
index 0000000000..76a6f2954f
--- /dev/null
+++ b/tests/ref/fate/gsm
@@ -0,0 +1,89 @@
+0, 0, 640, 0xf79c59ee
+0, 3600, 640, 0x6e6248be
+0, 7200, 640, 0x2a5b3aed
+0, 10800, 640, 0xf7012e06
+0, 14400, 640, 0x626645cd
+0, 18000, 640, 0x9f482b66
+0, 21600, 640, 0xea443886
+0, 25200, 640, 0xa79b3dc0
+0, 28800, 640, 0x0161263f
+0, 32400, 640, 0x61b33154
+0, 36000, 640, 0xf7fa388c
+0, 39600, 640, 0xb63038e9
+0, 43200, 640, 0x61b03506
+0, 46800, 640, 0xed4e2eac
+0, 50400, 640, 0x9b8127f1
+0, 54000, 640, 0xe50627be
+0, 57600, 640, 0x6b5038f9
+0, 61200, 640, 0x8e794c10
+0, 64800, 640, 0x426d2c93
+0, 68400, 640, 0x9a373111
+0, 72000, 640, 0x94132ccb
+0, 75600, 640, 0x610b3788
+0, 79200, 640, 0x27204206
+0, 82800, 640, 0xbdf82268
+0, 86400, 640, 0x2e653066
+0, 90000, 640, 0xccfd2328
+0, 93600, 640, 0xf2431e04
+0, 97200, 640, 0x7b412094
+0, 100800, 640, 0x5c2635fa
+0, 104400, 640, 0xdcbd2c60
+0, 108000, 640, 0x65173699
+0, 111600, 640, 0xbcff19ed
+0, 115200, 640, 0xf5b2206c
+0, 118800, 640, 0x587e460c
+0, 122400, 640, 0x2418382d
+0, 126000, 640, 0xbfad2f9b
+0, 129600, 640, 0x87d92d6c
+0, 133200, 640, 0xdc582c69
+0, 136800, 640, 0xcfe52ebf
+0, 140400, 640, 0xe0032e70
+0, 144000, 640, 0xf8a61b57
+0, 147600, 640, 0xa9ef2ee5
+0, 151200, 640, 0x7f513313
+0, 154800, 640, 0x93731177
+0, 158400, 640, 0xed2c2340
+0, 162000, 640, 0x85b02913
+0, 165600, 640, 0xa5a92f3e
+0, 169200, 640, 0x72472490
+0, 172800, 640, 0x856231fc
+0, 176400, 640, 0xda2e3c22
+0, 180000, 640, 0xcce84c36
+0, 183600, 640, 0x39312c78
+0, 187200, 640, 0xf1aa2365
+0, 190800, 640, 0x1dba3f7e
+0, 194400, 640, 0x21953579
+0, 198000, 640, 0xbbd52c22
+0, 201600, 640, 0x45c71537
+0, 205200, 640, 0x26051cec
+0, 208800, 640, 0x27ae223e
+0, 212400, 640, 0x223c0bb8
+0, 216000, 640, 0xc5b72796
+0, 219600, 640, 0xe7fd294d
+0, 223200, 640, 0x19042293
+0, 226800, 640, 0xa6572c6b
+0, 230400, 640, 0x58ac1d16
+0, 234000, 640, 0xd0631bd6
+0, 237600, 640, 0xe74f276c
+0, 241200, 640, 0x87d0295f
+0, 244800, 640, 0x054e3dc8
+0, 248400, 640, 0x0ca51c2d
+0, 252000, 640, 0x17a02616
+0, 255600, 640, 0x56b2235d
+0, 259200, 640, 0x1cd93302
+0, 262800, 640, 0xe3672352
+0, 266400, 640, 0xc99f2e45
+0, 270000, 640, 0x36a43e9d
+0, 273600, 640, 0xfcd73e87
+0, 277200, 640, 0x813b2e20
+0, 280800, 640, 0x8f7a4cac
+0, 284400, 640, 0xcf3e4106
+0, 288000, 640, 0x8a752b07
+0, 291600, 640, 0xe5013dcd
+0, 295200, 640, 0xda4a3d03
+0, 298800, 640, 0x05ce2c64
+0, 302400, 640, 0x1e0f42b5
+0, 306000, 640, 0xe4bd326a
+0, 309600, 640, 0x701c28de
+0, 313200, 640, 0xd0b02f97
+0, 316800, 640, 0x7950419b