Provide PDF Format
ETSI EN 301 655
- Private Integrated Services Network (PISN); Specification, functional model and information flows; Call priority interruption and call priority interruption protection supplementary services; [ISO/IEC 15991 (1998), modified]
- standard by European Telecommunications Standards Institute, 08/01/1999
- Publisher: ETSI
$7.00$14.00
This European Normes (EN) contains the specification, functional model and information flows for the Call priority interruption supplementar