ISO/IEC-22535 › Complete Document History
Information technology - Telecommunications and information exchange between systems - Corporate telecommunication networks - Tunnelling of QSIG over SIP

Complete Current Edition:
   3RD EDITION - CORPORATE TELECOMMUNICATION NETWORKS - TUNNELLING OF QSIG OV - April 15, 2009

Obsolete Revision Information:
   2ND EDITION - CORPORATE TELECOMMUNICATION NETWORKS - TUNNELLING OF QSIG OV - April 15, 2006
   1ST EDITION - CORPORATE TELECOMMUNICATION NETWORKS - TUNNELING OF QSIG OVE - May 1, 2005