Số hiệu tiêu chuẩn
ITU-T Q.733
Tên tiêu chuẩn
Stage 3 description for call completion supplementary services using signalling system no. 7; section 1: Call Waiting (CW)
Ngày phát hành
1992-00-00
Tiêu chuẩn tương đương
DIN EN 300356-17 (2000-09), MOD * DIN EN 300356-17 (2002-01), MOD * DIN ETS 300356-17 (1995-11), MOD * 98/660352 DC (ETSI) (1998-05-21), MOD * ETS 300356-17 (1995-02), MOD * prETS 300356-17 (1994-12), MOD * EN 300356-17 V 3.1.1 (1997-10), MOD * EN 300356-17 V 3.1.3 (1998-08), MOD * SN ETS 300356-17 (1995-02), MOD * OENORM EN 300356-17 V 3.1.3 (1998-12-01), IDT * OENORM EN 300356-17 V 4.1.2 (2001-11-01), IDT * CSN EN 300 356-17 V3.1.3 (1999-08-01), NEQ
Từ khóa
Call transmission * CCITT * Communication networks * Communication service * Signal transmission * Telecommunication * Telecommunications * Telephone connection * Telephone services