diff --git a/include/osmocom/gsm/protocol/gsm_04_08.h b/include/osmocom/gsm/protocol/gsm_04_08.h
index 522015a..87debba 100644
--- a/include/osmocom/gsm/protocol/gsm_04_08.h
+++ b/include/osmocom/gsm/protocol/gsm_04_08.h
@@ -926,6 +926,10 @@
 #define GSM48_PDISC_MASK	0x0f
 #define GSM48_PDISC_USSD	0x11
 
+extern const struct value_string gsm48_pdisc_names[];
+static inline const char *gsm48_pdisc_name(uint8_t val)
+{ return get_value_string(gsm48_pdisc_names, val); }
+
 bool gsm48_hdr_gmm_cipherable(const struct gsm48_hdr *hdr);
 
 static inline uint8_t gsm48_hdr_pdisc(const struct gsm48_hdr *hdr)