ITU-T Q.953.2-1993
STAGE 3 DESCRIPTION FOR CALL COMPLETION SUPPLEMENTARY SERVICES USING DSS 1 CLAUSE 2: CALL HOLD
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ITU-T Q.953.2-1993
Standard No.
ITU-T Q.953.2-1993
Release Date
1993
Published By
International Telecommunication Union (ITU)
Status
Withdraw
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