Signaling Compression (SigComp) Registry 2002-09-30 2009-02-05 SigComp_version Namespace Standards Action SigComp uses a 1-byte name space. 0 00 Reserved 1 01 SigComp version 1 2 02 SigComp version 2 (NACK support) 3-65535 03-FFFF Unassigned