Bibliografia Rogier Noldus. CAMEL: Intelligent Networks for the GSM, GPRS and UMTS Network 3GPP TS 22.30 Man-Machine Interface (MMI) of the User Equipment (UE) 3GPP TS 22.90 Unstructured Supplementary Service Data (USSD) – Stage 1 3GPP TS 23.90 Unstructured Supplementary Service Data (USSD) – Stage 2

Linki zewnętrzne Specyfikacja 3GPP TS 22.030 Man-Machine Interface (MMI) of the User Equipment (UE) Specyfikacja 3GPP TS 22.090 Unstructured Supplementary Service Data (USSD) – Stage 1 Specyfikacja 3GPP TS 23.090 Unstructured Supplementary Service Data (USSD) – Stage 2

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