Software

SIM Based Network Analyzer

GSM Network Analyzer has 8 SIM ports for working like a programmable mobile handset.
This device is used normally by mobile network operators to create a comparative report of signal quality of rival operators' SIM Cards. The user can arrange a scheduled program to make a call for each port independently and measure the results of the network parameters.

Keywords: STM32 Microcontroller Firmware, Networks Analyzer, Mobile Comparative, Location Update, authentication process, preferred network, Network Steering Tools, PESQ, Perceptual Evaluation of Speech Quality, PSQM, Perceptual Speech Quality Measure.

GSM Remote Roamer Loop System

Roam-Loop is an industrial GSM tool. It is developed with a microcontroller, GSM modem, and other peripheral devices to measure the radio and voice signal qualities, network parameters, and coverage area, like a remote-controlled mobile subscriber.
Users can change the remote mobile setting and parameters remotely. They can also make a call, send a short message or answer calls. It will range per demand or in an arranged schedule program, like an actual local handset.

Keywords: TI Embedded Software, Remote Handset, Remote Mobile, Remote Network Tester, Remote Call Generator, Remote SMS sending, Schedule SMS, Remote Call Answer, Network Analyzer, GSM Tracker, TEMS.

Over The Air (OTA) Message Transmitter

Over The Air (OTA) Message Server is a message processor platform that connects to the mobile SMS Center through an SMPP link. It splits and converts any SIM control commands or SIM applets to a sequential binary and secured message. Then it installs and runs into the mobile subscriber's SIM without any subscriber notification.
It has an internal database to keep each subscriber's keys (Kid) and SIM counters. It is also able to operate around 50 messages per second.

Keywords:Short Message Peer-to-Peer, SMPP, PDU format, PDU header, PDU body, GSM 23.048, GSM 23.040, SMS-COMMAND, SM-TP messages, Data Coding Scheme, TP-DCS, UDHL, User Date Header Length

{HAMLET} Smart Roaming Applet

Smart Roaming Applet is an excellent solution to the issue of subscribers overstaying in a competitor's network while roaming. By now, more than 60 million mobile subscribers of MCI Company are using this Smart Roaming Applet on their SIM Cards. This applet is based on the JAVA SIM, and it has a novelty for returning and changing the mobile subscriber's serving cells from the visited network to the home network.

It has benefits for mobile operators to neutralize the visited network's efforts, which we know as roamer retention.

Keywords: Java Card 2.1.1 Virtual Machine Specification, Global Platform card specification 2.1/2.2,GSM 03.48 - Secure remote SIM access, GSM 03.40 -SMS standard, ETSI TS 101 220 - Assigned numbers, ETSI TS 102 221 - UICC/(U)SIM spec, ETSI TS 102 223 - Card Application Toolkit, ETSI TS 102 226 - Remote APDUs, ETSI TS 102 241, UICC/SIM API for Java Card

Roaming Wizard System

Roaming Wizard is a Windows-based server that blocks and disconnects mobile subscribers to prevent fraud due to overcharged roamers. Roaming Wizard has a message processor to open, read and recognize certain emails from outbound operators regarding high-usage subscribers. It also has a secure connection between the billing and customer care server to find the subscriber bills and details about their consumption algorithm. Every ten minutes, Roaming Wizard reads the high-usage reports, extracts the subscribers' IMSI from said emails, and consequently checks the credit of the mentioned subscriber from customer service. Finally, it will decide to let the subscriber go to talk or block.

Keywords: Windows Server, SQL Server, .Net, VB.Net, Web service, Windows based Web Server, POP3 , SMTP, WSDL, SOAP, XML, RDF, RSS, HUR, NRTFM, ASP.Net, PHP, .NET framework.