diff --git a/src/gsm48.c b/src/gsm48.c
index 783ff6a..7e51066 100644
--- a/src/gsm48.c
+++ b/src/gsm48.c
@@ -305,3 +305,24 @@
 
 	return str_cur - string;
 }
+
+void gsm48_parse_ra(struct gprs_ra_id *raid, const uint8_t *buf)
+{
+	raid->mcc = (buf[0] & 0xf) * 100;
+	raid->mcc += (buf[0] >> 4) * 10;
+	raid->mcc += (buf[1] & 0xf) * 1;
+
+	/* I wonder who came up with the stupidity of encoding the MNC
+	 * differently depending on how many digits its decimal number has! */
+	if ((buf[1] >> 4) == 0xf) {
+		raid->mnc = (buf[2] & 0xf) * 10;
+		raid->mnc += (buf[2] >> 4) * 1;
+	} else {
+		raid->mnc = (buf[2] & 0xf) * 100;
+		raid->mnc += (buf[2] >> 4) * 10;
+		raid->mnc += (buf[1] >> 4) * 1;
+	}
+
+	raid->lac = ntohs(*(uint16_t *)(buf + 3));
+	raid->rac = buf[5];
+}
diff --git a/src/gsm_utils.c b/src/gsm_utils.c
index 593dd5c..b392fd3 100644
--- a/src/gsm_utils.c
+++ b/src/gsm_utils.c
@@ -359,3 +359,18 @@
 	/* TS 05.02 Chapter 4.3.3 TDMA frame number */
 	return (51 * ((time->t3 - time->t2 + 26) % 26) + time->t3 + (26 * 51 * time->t1));
 }
+
+/* TS 03.03 Chapter 2.6 */
+int gprs_tlli_type(uint32_t tlli)
+{
+	if ((tlli & 0xc0000000) == 0xc0000000)
+		return TLLI_LOCAL;
+	else if ((tlli & 0xc0000000) == 0x80000000)
+		return TLLI_FOREIGN;
+	else if ((tlli & 0xf8000000) == 0x78000000)
+		return TLLI_RANDOM;
+	else if ((tlli & 0xf8000000) == 0x70000000)
+		return TLLI_AUXILIARY;
+
+	return TLLI_RESERVED;
+}