33.040.35 - Telephone networks
Showing 129–142 of 142 results
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BS ISO/IEC 15052:1997
Information technology. Telecommunications and information exchange between systems. Private integrated services network. Inter-exchange signalling protocol.…
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BS EN 28877:1994
Information technology. Telecommunications and information exchange between systems. Interface connector and contact assignments for ISDN…
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BSI DD ENV 41116:1993
Information technology. Functional standard for profiles T/C32 and T Analogue telephone circuit. Dial-up (PSTN) (COTS…
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BSI DD ENV 41115:1993
Information technology. Functional standard for profiles T/C31 and T Analogue telephone circuit. Leased (permanent) service…
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BS EN 50136-2-4:1998
Alarm systems. Alarm transmission systems and equipment – Requirements for equipment used in systems with…
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BS EN 50136-1-4:1998
Alarm systems. Alarm transmission systems and equipment – Requirements for systems with voice communicators using…
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BS 6450-1:1983:1988 Edition
Private branch exchanges for connection to public switched telephone networks run by certain public telecommunication…
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BS 6450-4:1993
Private branch exchanges for connection to public switched telephone networks run by certain public telecommunications…
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BS 6450-2:1993
Private branch exchanges for connection to public switched telephone networks run by certain public telecommunications…
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BS 6450-1:1993
Private branch exchanges for connection to public switched telephone networks run by certain public telecommunications…
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ASTM-F1381:2003 Edition
F1381-92(2003) Standard Guide for Planning and Developing 9-1-1 Enhanced Telephone Systems (Withdrawn 2008) Published By…
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ASTM-F1220:2014 Edition
F1220-95(2014) Standard Guide for Emergency Medical Services System (EMSS) Telecommunications Published By Publication Date Number…
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ASTM-F1220:2001 Edition
F1220-95(2001) Standard Guide for Emergency Medical Services System (EMSS) Telecommunications Published By Publication Date Number…
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ASTM-F1220:2006 Edition
F1220-95(2006) Standard Guide for Emergency Medical Services System (EMSS) Telecommunications Published By Publication Date Number…