《美国国家电信标准——ISDN补充业务控制通用程序》ATIS-1000610.1998（R2008）的本补充文件对本标准进行了修订，以根据其他标准机构的相关进展改进和澄清本标准。以前称为T1。610a-1998（R2008）。

This supplement to American National Standard for Telecommunications - Generic Procedures for the Control of ISDN Supplementary Services, ATIS-1000610.1998(R2008), revises the standard to improve and clarify the standard based on related advances in other standards bodies. Formerly known as T1.610a-1998(R2008).