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TS 04.90 (CT4)
Unstructured Supplementary Service Data (USSD)

3GPP‑Page   ETSI‑search    
(P) GSM Rel-98 v7.0.1  2000/01  14 p.
(P) GSM Rel-97 v6.0.1  1998/11  14 p.
(P) GSM Rel-96 v5.0.1  1996/11  16 p.
(W-zip) GSM Phase-2 v4.1.1  1994/11  16 p.


Rapporteur:  Mr. Hodges, Phil
See also: Descendant: