EIA-127 › Complete Document History
Enhanced Variable Rate Codec, Speech Service Options 3, 68, 70, 73, and 77 for Wideband Spread Spectrum Digital Systems

Complete Current Edition:
   REVISION E - PDF FORMAT ONLY - Sept. 1, 2012

Obsolete Revision Information:
   REVISION D - SPECTRUM SYSTEMS DIGITAL SYSTEMS - July 1, 2011
   REVISION C - ENHANCED VARIABLE RATE CODEC, SPEECH SERVICE OPTIONS 3, 68, - Feb. 1, 2007
   REVISION B - ENHANCED VARIABLE RATE CODEC SPEECH SERVICE OPTION 3 & YY FO - Dec. 1, 2006
   REVISION A - ENHANCED VARIABLE RATE CODEC SPEECH OPTION 3 FOR WIDEBAND SP - May 14, 2004