How does USSD Phase 1 work?

How does USSD Phase 1 work?

The first USSD services were called “Phase 1”, or “MAP 1” and were only able to pass information from the handset to the USSD application with a confirmation. This means that if you are roaming in another network, then dialling a USSD string on your phone will always route to the application on your home network.

How does the USSD work?

How USSD works. Typically, USSD involves a query from a mobile phone user, such as a request for a bank account balance. Once the user sends the request, the USSD gateway forwards it to the user’s USSD application, which responds to the request. USSD applications run on the network, not on a user’s device.

What is NI USSD?

Network Initiated Unstructured Supplementary Service Data (NI USSD) is an instant message sent from a network to a mobile device. It offers a simple solution with access to all four South African mobile networks with Cellfind NI USSD (MT USSD or Push USSD).

How do I apply for a USSD application?

How to Build a USSD Application

1. Basic understanding of PHP language.
2. A text editor (Preferably Visual studio code)
3. Create an account on Africastalking.
4. Create an account on Heroku.
5. Download and install Git based on your OS.

Does USSD require internet?

This service allows mobile banking transactions using basic feature mobile phone, there is no need to have mobile internet data facility for using USSD based mobile banking. …

What is push USSD?

USSD Push, or NI (Network Initiated) USSD, is the cousin of USSD and is alike in all behaviours bar one: The interactive menu is pushed in real time to the cell phone and “pops up” automatically, without the user having to dial the number.

What is supplementary service data (USSD)?

According to Wikipedia: Unstructured, Supplementary Service Data (USSD) sometimes referred to as “Quick Codes” or “Feature Codes” is a communications protocol used by GSM cellular telephones to communicate with the mobile network operator’s computers.

What is the use of USSD in mobile networks?

USSD enables a mobile operator to provide , call back service while in roaming, location based services, balance services, content marketing based on location etc. Protocol standards are defined in GSM MAP 09:02 and GSM 03.90 . To get a service via ussd, user dials a known string (e.g *123#) for a service,…

What is a USSD message?

USSD enables a mobile operator to provide, call-back service while in roaming, location-based services, balance services, content marketing based on location, etc. Protocol standards are defined in GSM MAP 09:02 and GSM 03.90. A USSD message uses a gsm map protocol over SS7.

What is the full form of USSD in mobile phones?

USSD or Unstructured Supplementary Service Data is the ussd full form , is the basic service provided by GSM network operators for sending and receiving data (or strings) on a mobile device to/from core network of a mobile operator. It comes under the basic services in all mobile network along with voice and sms.