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ITU-T T.4 (07/2003)

用于文件传输的第3组传真终端的标准化

本建议书定义3类传真终端的特性，该传真终端能够实现在一般交换电话网络、国际租用电路和综合业务数字网（ISDN）上传输黑白文档以及可选的彩色文档。3类传真终端可以手动或自动操作，可以在电话通话中要求转换到文件传输。3类传真终端使用的程序在ITU-T T.30建议书中定义。本修订版合并了之前作为案文修正案批准的功能以及最近批准的能力，包括：
• 支持所有标准的图像分辨率；
• 支持黑白图像的混合光栅内容；
• 使用传真协议传输sYCCcolour空间的定义。

Citation:	https://handle.itu.int/11.1002/1000/6476
Series title:	T series: Terminals for telematic services T.0-T.19: Facsimile – Framework
Approval date:	2003-07-14
Approval process:	AAP
Status:	In force
Maintenance responsibility:	ITU-T Study Group 16
Further details:	Patent statement(s) Development history

EditionsRelated Supplement(s)

Ed.	ITU-T Recommendation	Status	Summary	Table of Contents	Download
8	T.4 (07/2003)	In force	here	here	here
7.2	T.4 (1999) Amd. 2 (11/2000)	Superseded	here	-	here
7.1	T.4 (1999) Amd. 1 (02/2000)	Superseded	-	-	here
7	T.4 (04/1999)	Superseded	-	-	here
6.3	T.4 (1996) Cor. 1 (06/1998)	Superseded	-	here	here
6.2	T.4 (1996) Amd. 2 (10/1997)	Superseded	-	here	here
6.1	T.4 (1996) Amd. 1 (07/1997)	Superseded	-	here	here
6	T.4 (07/1996)	Superseded	-	here	here
5.2	T.4 (1993) Amd. 2 (08/1995)	Superseded	-	here	here
5.1	T.4 (1993) Amd. 1 (11/1994)	Superseded	-	here	here
5	T.4 (03/1993)	Superseded	-	here	here
4	T.4 (09/1992)	Superseded	-	-	here
3.1	T.4 (1988) Cor. 1 (01/1991)	Superseded	-	-	Not available
3	T.4 (11/1988)	Superseded	-	here	here
2.1	T.4 (1984) Amd. 1 (07/1987)	Superseded	-	-	Not available
2	T.4 (10/1984)	Superseded	-	-	Not available
1	T.4 (11/1980)	Superseded	-	-	Not available

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ITU-T Recommendations

ITU-T T.4 (07/2003)