
PRIVATE INTEGRATED SERVICES NETWORK (PISN) - SPECIFICATION, FUNCTIONAL MODELS AND INFORMATION FLOWS - CALL PRIORITY INTERRUPTION AND CALL PRIORITY INTERRUPTION PROTECTION SUPPLEMENTARY SERVICE
出版:Danish Standards

专家解读视频
Defines the Call Priority Interruption (CPI) and Call Priority Interruption Protection (CPIP) supplementary services.
ISO/IEC 15991 : 2003(R2008) - Identical
ISO/IEC 15991 : 2003(R2008) - Identical
EN 301 655 : 1.2.1 - Identical