This Technical Specification defines the stage 1 description of Unstru ctured Supplementary Ser vice Data (USSD) for use in one or a number of GSM Public Land Mobile Networks (PLMNs).
- Edition:
- 1
- Published:
- 02/01/1995
- Number of Pages:
- 10
- File Size:
- 1 file , 24 KB
- Note:
- This product is unavailable in Russia, Ukraine, Belarus
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