Integrated Services Digital Network (ISDN); Extended lower layer protocols; Definition of B and D Channel protocols with proposed Requirements List (RL) and profile specific Implementation Conformance Statement (ICS)
综合业务数字网(ISDN);扩展的底层协议;B和D通道协议的定义 以及建议的需求列表(RL)和特定于配置文件的实施一致性声明(ICS)
This ETR gives a recommended method of enhancement of the lower layer protocols specififed in ETS 300 080 to cover in particular, new non-voice applications, including requirements for efficient data transfer over long connections (eg via a satellite system)