(between sgsn and ggsn)
1GPRS Core Network — The GPRS core network is the central part of the General Packet Radio Service which allows 2G, 3G and WCDMA mobile networks to transmit IP packets to external networks such as the Internet. The GPRS system is an integrated part of the GSM network …
2Network Service Access Point Identifier — For other uses, see NSAPI. A Network (Layer) Service Access Point Identifier (NSAPI), is an identifier used in GPRS (cellular data) networks. It is used to identify a Packet Data Protocol (PDP) context (a unique data session) in the Mobile… …
3Packet Data Serving Node — The Packet Data Serving Node, or PDSN, is a component of a CDMA2000 mobile network [ [http://www.cisco.com/en/US/tech/tk722/tk721/tk488/tsd technology support sub protocol home.html Packet Data Serving Node (PDSN) Cisco Systems ] ] . It acts as… …
4Multimedia Broadcast Multicast Service — Multimedia Broadcast Multicast Services (MBMS) is a point to multipoint interface specification for existing and upcoming 3GPP cellular networks, which is designed to provide efficient delivery of broadcast and multicast services, both within a… …
5GPRS Tunnelling Protocol — GPRS Tunneling Protocol (or GTP) is an IP based protocol used within GSM and UMTS networks. It can be used with UDP or TCP. GTP version one is used only on UDP.There are in fact three separate protocols, GTP C, GTP U and GTP . GTP C is used… …
6Gateway GPRS Support Node — A Gateway GPRS Support Node (GGSN) is a network node that acts as a gateway between a GPRS wireless data network and other networks such as the Internet or private networks. The GGSN is the anchor point that enables the mobility of the user… …
7Subsystem number — Signalling Connection Control Part (SCCP) subsystem numbers are used to identify applications within network entities which use SCCP signalling. GSM and UMTS SSNs In Global System for Mobile Communications (GSM) and Universal Mobile… …
