NA-ESRK - North American Emergency Services Routing KeyA telephone number in the North American Numbering Plan assigned to an emergency services call by a North American Visited PLMN (Public Land Mobile Ne... View more
NACC - Network Assisted Cell ChangeNACC was introduced to reduce the service outage period which is experienced by a mobile during a packet data session, as it cell reselects from one c... View more
Naf - AF Service-based InterfaceNaf is related to the 3GPP 5G Architecture. It identifies a Service-based Interface for the Application Function.... View more
NAI - Network Access IdentifierRFC 4282 defines the concept of a NAI, which is a standardized method of identifying users who are attempting to access a network or service. NAI are ... View more
NAK - Negative AcknowledgementA Negative Acknowledgement character or message indicates that a packet has arrived with the check digits in error. It is sent from the receiving unit... View more
NAM - Number Assignment moduleThe Number Assignment Module identifies the set of MIN (Mobile Identification Number) / IMSI (International Mobile Subscriber Identity) related parame... View more
Name DiscoveryThe mechanism that allows a device to request and receive a Bluetooth device name.... View more
Namf - AMF Service-based InterfaceNamf is related to the 3GPP 5G Architecture. It identifies a Service-based Interface for the Core Access and Mobility Management Function.... View more
NAPTR - Naming Authority PointerThe NAPTR (Naming Authority Pointer) record specifies a regular expression based rewrite rule that, when applied to an existing string, produces a new... View more
NAS - Non Access StratumThe Non Access Stratum is a functional layer running between the UE (User Equipment) and the CN (Core Network). The layer supports traffic and signall... View more
NAS – IuCS - Non Access Stratum (IuCS)NAS signalling used on the IuCS reference point defines the set of signalling messages used between the mobile and the MSC in order to facilitate mobi... View more
NAS – Iur - Non Access Stratum (Iur)NAS signalling encompasses the set of signalling messages used between the mobile and the SGSN in order to support GPRS SM (Session Management) and MM... View more
NAS – UMTS - Non Access Stratum (UMTS)NAS signalling operates between the mobile and the MSC/SGSN in order to facilitate mobility management, session management and call procedures.... View more
NAS EMM - NAS EPS Mobility ManagementThe NAS protocol is used between the User Equipment and the MME in order to facilitate EPS Mobility Management and EPS Session Management procedures. ... View more
NAS ESM - Non Access Stratum EPS Session ManagementIn LTE, the NAS protocol is used between the User Equipment and the MME in order to facilitate EPS Mobility Management and EPS Session Management proc... View more
NASS - Network Access Sub SystemIn the TISPAN architecture, the NASS provides registration at the access ( IP ) level, managing IP address space and authenticating users. The NASS al... View more
NAT - Network Address TranslationNetwork Address Translation is a mechanism for reducing the need for globally unique IP addresses. NAT allows an organization with private addresses t... View more
NAT-T - NAT-TraversalCertain protocols such as FTP and SIP can carry addressing information such as source and destination IP addresses and ports. When these protocols pas... View more
Nausf - AUSF Service-based InterfaceNausf is related to the 3GPP 5G Architecture. It identifies a Service-based Interface for the Authentication Server Function.... View more
NAV - Network Allocation VectorThe Network Allocation Vector is used within IEEE 802.11 networks to prevent Stations accessing the wireless medium and causing contention. The NAV is... View more