Sx-USSD Gateway brings the operator's services to phones without data or an app
USSD interactive services platform. It publishes self-service, query and citizen service menus for the entire device base.
Results for the operator
Service for the entire device base
Menus that change in real time
Third-party integration through web services
Sx-USSD Gateway components
| Component | What it does for the operator | Status |
|---|---|---|
| GSM and UMTS USSD gateway | USSD sessions over MAP on SIGTRAN | Available |
| Access from LTE | LTE subscribers served through circuit-switched fallback to GSM or UMTS (CSFB) | Available |
| Dynamic menu manager | Menus and campaigns that change in real time | Available |
| Web services for partners | Integration of third-party applications and existing gateways | Available |
| Records and dashboards | Sessions, menu paths and results by service | Available |
The platform supports USSD over IMS for VoLTE (3GPP TS 24.390); it is added according to the project scope and validated with the operator's network.
Use cases in Latin America
Balance, top-up and bundles
Self-service at no cost to the subscriber, also while roaming
Emergencies and citizen services
Menu for shelters, reports and location after a public warning
Basic banking without data
Queries and transfers with a financial partner
Device status check
Citizens check whether their IMEI is blocked, with Sx-EIR
Surveys and campaigns
Network-initiated sessions, with the subscriber's reply in the same session
Sx-EIR makes it possible to offer citizens a menu-based check on the status of their IMEI.
View Sx-EIRPDF datasheet (ES · EN · PT) available on request through the contact form.
Data is processed on the infrastructure the operator designates, under its control.
ATC reviews the platform the operator prioritizes and proposes the appropriate configuration. Sizing and review are provided at no cost.
- Review of the platform and the network interfaces
- Sizing according to the operator's infrastructure
- Staged proposal: module, platform or delegated operation
3GPPGSMAITU-TTM Forum
No-cost review and sizing, without access to production.