SGA-RSS is a standalone system which acts as a bouncer in front of the HLR. In order to get the roamer attached, the VLR must ask for permission from the SGA Roaming Steering Server (acting as a HLR for these particular dialogues), and the operator can define various policies and acceptance rates for each foreign network.

SGA-ICA is a system designed to improve call connection success rates of roaming subscribers arriving to the operator’s network. Since phone numbers are not always stored with the international prefixes in the mobile phones, connecting roamers’ calls are often unsuccessful. Beside sending information in a text message about the issue to the subscriber in their own language (suggesting the actual complete phone number with correct prefixes), SGA-ICA releases the call with a predefined release cause, compiles a call detail record (CDR), and logs the events at the preferred level of detail.

As an operator, it is your business interest to provide decent services for the foreign subscribers roaming in your network, so they keep on choosing your network when making calls. We offer a series of easy-to-use test equipment, which can help you ensure the connectivity of roaming subscribers in your network. The services offered by our equipment include TestLUP for checking upon Location Update procedures, CLI Tester for checking if calls to the roamers can be set up successfully and SRI4SM tester to trace the signal routes between your Visitor Location Registers (VLRs) and the foreign Home Location Registers (HLRs).

SGA-WMBV is a system for GSM operators, designed for sending welcome messages to incoming roamers and farewell messages to subscribers leaving the network. The system (consisting of one ore more monitoring unit(s) and the WMBV server) is customizable and scalable to the given network on a high level of degree, allowing e.g. the usage of various language templates depending on the operator prefix.