Integrated Services Digital Network (ISDN); Generic keypad protocol for the support of supplementary services; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification
综合业务数字网(ISDN);支持补充业务的通用键盘协议;数字用户信令系统第一号(DSS1)协议;第2部分:协议实现一致性声明(PICS)形式规范
ISDN user-network interface layer 3 protocol implementation conformance statement (PICS) proforma for the generic keypad protocol for the support of supplementary services. Provide a basis for further work on PIXIT & ATS for supplementary services. To be specified according to ISO 99646. To cover both user & network.