Mobile-nas-messages.md

@@ -13,12 +13,15 @@ The following modules provide structures for dealing with 2G and 3G NAS messages
    for GPRS Mobility Management
 - [TS24008_SM](https://github.com/p1sec/pycrate/blob/master/pycrate_mobile/TS24008_SM.py):
    for GPRS Session Management
+- [TS44018_RR](https://github.com/p1sec/pycrate/blob/master/pycrate_mobile/TS44018_RR.py):
+   for GSM Radio Resources management
 
-All those structures are corresponding mostly to the descriptions from section 9 
-of the 3GPP TS 24.008 specification. They are themselves using IEs (Information
-Elements) defined in section 10 of the specification, and available in the module
-[TS24008_IE](https://github.com/p1sec/pycrate/blob/master/pycrate_mobile/TS24008_IE.py), with
-the exception of IEs for GPRS using CSN.1, which are defined in the 
+All those structures are corresponding mostly to the descriptions from sections 9 
+of the 3GPP TS 24.008 and TS 44.018 specifications. They are themselves using IEs 
+(Information Elements) defined in section 10 of both specifications, and available in the modules
+[TS24008_IE](https://github.com/p1sec/pycrate/blob/master/pycrate_mobile/TS24008_IE.py)
+and [TS44018_IE](https://github.com/p1sec/pycrate/blob/master/pycrate_mobile/TS44018_IE.py).
+Moreover, some GSM and GPRS IEs are using CSN.1, which are defined in the 
 [pycrate_csn1dir](https://github.com/p1sec/pycrate/blob/master/pycrate_csn1dir/)
 directory.
 
@@ -37,6 +40,7 @@ For LTE NAS, two main modules are available:
    for EPS Mobility Management
 - [TS24301_ESM](https://github.com/p1sec/pycrate/blob/master/pycrate_mobile/TS24301_ESM.py):
    for EPS Session Management
+
 Those structures are corresponding to the descriptions from section 8 of the 3GPP 
 TS 24.301 specification. IEs defined in section 9 are available in the module
 [TS24301_IE](https://github.com/p1sec/pycrate/blob/master/pycrate_mobile/TS24301_IE.py).
@@ -51,6 +55,7 @@ For 5G NAS, three main modules are available:
    for 5G Session Management
 - [TS24501_UEPOL](https://github.com/p1sec/pycrate/blob/master/pycrate_mobile/TS24501_UEPOL.py):
    for 5G UE Policy
+
 Those structures are corresponding to the descriptions from section 8 and annex D 
 of the 3GPP TS 24.501 specification. IEs defined in section 9 are available in the module
 [TS24501_IE](https://github.com/p1sec/pycrate/blob/master/pycrate_mobile/TS24501_IE.py).