本文件提供了协议实施一致性声明（PICS）的形式表 支持本地交换机（LE）处于“挂机”状态的PSTN显示服务的用户线路协议，定义见 ES 200 778-1[1]和EN 300 659-3[3]符合相关要求和 ISO/IEC 9646-7[5]中给出的相关指南。本文件还提供了协议实现一致性声明（PICS）形式表，用于 支持本地交换机（LE）处于“摘机”状态的PSTN显示服务的用户线路协议，定义见 ES 200 778-2[2]和EN 300 659-3[3]符合相关要求和 ISO/IEC 9646-7[5]中给出的相关指南。声称符合ES 200 778的协议实施的供应商- 1[1]和EN 300 659-3[3]， ES 200 778-2[2]和EN 300 659-3[3]或两者都需要填写表1中提供的PICS形式表副本 附件A是本文件的一部分，需要提供识别供应商和供应商的必要信息 实施。

The present document provides the Protocol Implementation Conformance Statement (PICS) proforma for the subscriber line protocol for the support of PSTN display services at Local Exchange (LE) in "on-hook" state defined in ES 200 778-1 [1] and in EN 300 659-3 [3] in compliance with the relevant requirements and in accordance with the relevant guidance given in ISO/IEC 9646-7 [5].The present document also provides the Protocol Implementation Conformance Statement (PICS) proforma for the subscriber line protocol for the support of PSTN display services at Local Exchange (LE) in "off-hook" state defined in ES 200 778-2 [2] and in EN 300 659-3 [3] in compliance with the relevant requirements and in accordance with the relevant guidance given in ISO/IEC 9646-7 [5].The supplier of a protocol implementation that is claimed to conform to either ES 200 778-1 [1] and EN 300 659-3 [3], ES 200 778-2 [2] and EN 300 659-3 [3] or both is required to complete a copy of the PICS proforma provided in annex A of the present document and is required to provide the information necessary to identify both the supplier and the implementation.