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These MSCs will then be the gateway MSC for many of the calls they handle. The visited MSC (V-MSC) is the MSC where a customer is currently located. The visitor location register (VLR) associated with this MSC will have the subscriber's data in it. The anchor MSC is the MSC from which a handover has been initiated.
The mobile switching station, abbreviated as MSC Server or MSS, is a 2G core network element which controls the network switching subsystem elements. Alternatively or adaptively, MSS can be used in GSM networks as well, if the manufacturer has implemented support for GSM networks in the MSS. Since an immediate upgrade of existing GSM network to ...
The MSC pages all the mobile phone masts in the area that the IMSI is registered in order to inform the phone that there is an incoming call for it. If the subscriber answers, a speech path is created through the Visiting MSC and Gateway MSC back to the network of the person making the call, and a normal telephone call follows.
GPRS Tunnelling Protocol is the defining IP-based protocol of the GPRS core network. Primarily it is the protocol which allows end users of a GSM or WCDMA network to move from place to place while continuing to connect to the Internet as if from one location at the Gateway GPRS support node (GGSN).
The Interworking MSC of the SMSC, on receipt of the MAP mo-ForwardSM message, passes the SMS-PP [2] Application Protocol Data Unit (APDU) containing the text message to the actual Service Centre (SC) of the SMSC for storing, and subsequent "forwarding" (delivery) to the destination address and the SC returns an acknowledgement indicating ...
The following globally standardized subsystem numbers have been allocated for use by GSM/UMTS: 0 Not used/Unknown 1 SCCP MG 6 HLR 7 VLR (MAP) 8 MSC (MAP) 9 EIR (MAP) 10 is allocated for evolution (possible Authentication Centre). The following national network subsystem numbers have been allocated for use within GSM/UMTS networks:
The GSM 03.40 TPDUs are used to carry messages between the Mobile Station (MS) and Mobile Switching Centre (MSC) using the Short Message Relay Protocol (SM-RP), [2] while between MSC and Short Message Service Centre (SMSC) the TPDUs are carried as a parameter of a Mobile Application Part (MAP) [3] package.
Although MTP provides routing capabilities based on the Point Code, SCCP allows routing using a Point Code and Subsystem number or a Global Title.. A Point Code is used to address a particular node on the network, whereas a Subsystem number addresses a specific application available on that node.