Corporate telecommunication Networks (CN) - Signalling interworking between QSIG and H.323 - Call Completion supplementary services (ISO/IEC 21991 (2002), modified) (Endorsement of the English version EN 301989 V 1.1.1 (2003-02) as German standard).
€16.45
Speech Processing, Transmission and Quality Aspects (STQ); User related QoS parameter definitions and measurements; Part 1: General
€85.00
Speech Processing, Transmission and Quality Aspects (STQ);User related QoS parameter definitions and measurements;Part 2: Voice telephony, Group 3 fax, modem data services and SMS
€93.00
Speech Processing, Transmission and Quality Aspects (STQ);User related QoS parameter definitions and measurements;Part 4: Internet access
€88.00
Particular safety requirements for equipment to be connected to telecommunication networks and/or a cable distribution system
€58.00
Information technology - Generic cabling systems -- Part 1: General requirements
€152.00
€90.00
PARTICULAR SAFETY REQUIREMENTS FOR EQUIPMENT TO BE CONNECTED TO TELECOMMUNICATION NETWORKS.
Information technology - Generic cabling systems.
€72.00
Information technology - Generic cabling systems -- Part 1: General requirements and office areas
€133.00
SIGNALLING ON LOW-VOLTAGE ELECTRICAL INSTALLATIONS IN THE FREQUENCY RANGE 3 KHZ TO 148,5 KHZ. PART 1: GENERAL REQUIREMENTS, FREQUENCY BANDS AND ELECTROMAGNETIC DISTURBANCES.
€69.00
SIGNALLING ON LOW-VOLTAGE ELECTRICAL INSTALLATIONS IN THE FREQUENCY RANGE 3 kHz TO 148,5 kHz. PART 1: GENERAL REQUIREMENTS, FREQUENCY BANDS AND ELECTROMAGNETIC DISTURBANCES.
€53.00
€26.00
€40.00
