本标准描述了安全网络能力，它允许始发信令点（SP）中的最终用户服务调用始发和/或目的SP中的各种安全功能。安全能力可用于识别和认证通信实体，还提供支持资源访问控制的信息，系统访问控制，以及加密和解密功能。以前称为T1。655-2001（R2006）。

This standard describes the Security network capability, which allow an end user service in an originating Signalling Point (SP) to invoke various security functions in the originating and/or destination SP. The Security capability can be used for identification and authentication of the communicating entities, it also provides information that supports resource access control, system access control, and encryption and decryption functions. Formerly known as T1.655-2001(R2006).