Description
1. What's USSD?
USSD stands for Unstructured Supplementary Service Data. It is a communication protocol used by mobile phones to interact with the mobile network operator's systems.
2. Key Features of USSD
-
Real-time communication: Unlike SMS, USSD sessions are interactive and occur in real-time.
-
Short codes: USSD uses codes that typically start with
*
and end with#
(e.g.,*123#
). -
No internet required: Works on any GSM phone without needing a data connection.
-
Fast and lightweight: It’s faster than SMS and uses minimal network resources.
3. Common Uses of USSD
-
Checking mobile balance (
*101#
) -
Recharging with prepaid cards (
*100*PIN#
) -
Mobile money services (e.g., checking wallet balance, sending money)
-
Accessing customer service menus
-
Activating or deactivating services (e.g., call forwarding)
4. Example Interaction
- You dial *123# on your phone.
- The system instantly displays your account balance on the screen.
- You might get a menu to choose options like:
- Buy Data
- Check Balance
- Transfer Credit
5. Technical Notes
- USSD messages are up to 182 alphanumeric characters.
- USSD is session-based (like a temporary two-way connection), while SMS is store-and-forward.
- It operates over the GSM signaling channels, not over voice or data.
6. How to add USSD in SmsMk365.Com?

prohibitions
*For any questions, please contact us via Email: SmsMk365Agent@gmail.com Or support@smsmk365.com Or Contact us via Form CONTACT for a prompt response.