AITIA International, Inc. - Services and products - Telecommunication systems - Products

The SGA-MSMS is a mass text messaging system for operators. It is able to handle several million incoming messages a month through SS7 signaling links. The received messages can be submitted via SS7, SMPP or CIMD2 or can simply be counted and dropped on a per-user basis. The system has a flexible setup, remote maintenance possibilities and is designed to satisfy every possible requirement for simultaneous text message-games and/or -vote sessions.

Goals

A large number of text messages can be received (terminated) via SS7 signaling from either external or local Short Message Service Centers (SMSC's), for multiple local (live or virtual¹) subscribers registered in various Home Location Registers. These terminated Short Messages can then be submitted via SS7, SMPP or via CIMD2 to various (either local or external) SMSC's, or they can simply be counted and dropped on a per-user basis.

Operating principles

The SGA-MSMS System can be connected physically to one or more MSC of the Operator, and it logically realizes MSC/VLR functions relating to the predefined SIM numbers. Subscribers are announced to be located in the virtual VLR of the SGA-MSMS via the standard Location Update MAP procedure. On the previous operations, the SMSC's are instructed by the HLR(s) to deliver the text messages to the virtual MSC realized in the SGA-MSMS. The SGA-MSMS System can forward all received text messages to various SMSC's via SMPP or CIMD2, UCP or SS7 protocol with transparent text and data in the sender and destination fields of the messages.

Attributes of the SGA-MSMS system

It handles SS7 protocols between the following elements: MSC/VLR-HLR, MSC-SMSC;

It currently allows the definition of 50,000 MSISDNs;

It can handle a traffic of several million Short Messages/month;

It is operated continuously, 24 hours a day, therefore a reserve system should also be provided for reliability and maintenance/upgrade services.

Miscellaneous functions

Input group filtering, HLR selection, destination SMSC selection on a per-user basis;

Administration of IMSI/MSISDN data (deletion, insertion of new subscribers);

File level data archiving (e.g. on removable hard-disk);

Access rights are handled for security;

Statistics

Can be sent to operator's Performance Management System;

Optionally SCCP statistics for counting particular MSU's on a per-operator basis.

Alerting

Alarm indication in the case of malfunctions of the SGA-MSMS System or the connected elements;

Alarms sent to operator's Network Operating Center by SNMP traps.

Logging

Adjustable detail levels from 'Off' to 'Debug'.

Hardware components

The basic hardware components of the SGA-MSMS system is an SGA-MSMS server which is connected to the:

Operator's Mobile Switching Center ("MSC") on bidirectional PCM/SS7 links;
Operator's Short Message Service Center ("SMSC") on IP network;
Operator's Network Operating Center ("NOC") on IP network.

The topology of a non-duplicated system is depicted in the figure below