ISO/IEC-16167 Complete Document History
Information technology - Telecommunications and information exchange between systems - Next Generation Corporate Networks (NGCN) - Emergency calls

Complete Current Edition:
   2ND EDITION - NEXT GENERATION CORPORATE NETWORKS (NGCN) - EMERGENCY CALLS - Sept. 1, 2011

Obsolete Revision Information:
   1ST EDITION - NEXT GENERATION CORPORATE NETWORKS (NGCN) - EMERGENCY CALLS - Aug. 1, 2010